Quellenverzeichnis

Übersicht

arXiv.org

Free distribution service and an open-access archive, Cornell University; https://arxiv.org/

[152]«Extended Structures of Planetary Nebulae Detected in H2 Emission»; Xuan Fang, Yong Zhang, Sun Kwok, Chih-Hao Hsia, Wayne Chau, Gerardo Ramos-Larios, Martin A. Guerrero; arXiv:1804.08840 ; https://arxiv.org/abs/1804.08840 (2021-01-02)
[202]"The Horsehead nebula, a template source for interstellar physics and chemistry" Maryvonne Gerin (LERMA), Jérôme Pety (IRAM), Javier R. Goicoechea; arXiv:0905.3625 ; https://arxiv.org/abs/0905.3625 (2020-12-28)
[237]A Measurement of the Black-Hole Mass in NGC 1097 using ALMA Kyoko Onishi (1, 2), Satoru Iguchi, Kartik Sheth, Kotaro Kohno ((1) SOKENDAI (The Graduate University for Advanced Studies), (2) National Astronomical Observatory of Japan); arXiv:1506.05917; https://arxiv.org/abs/1506.05917 (2021-01-20)
[238]"A dwarf galaxy's transformation and a massive galaxy's edge: autopsy of kill and killer in NGC 1097" N. C. Amorisco, D. Martinez-Delgado, J. Schedler; arXiv:1504.03697; https://arxiv.org/abs/1504.03697 (2021-01-20)
[251]«Young Radio Pulsars in Galactic Globular Clusters» Jason Boyles, Duncan R. Lorimer, Phil J. Turk, Robert Mnatsakanov, Ryan S. Lynch, Scott M. Ransom, Paulo C. Freire, Khris Belczynski; arXiv:1108.4402; https://arxiv.org/abs/1108.4402 (2021-01-24)
[254]«The IC2118 association: new T Tauri stars in high-latitude molecular clouds» M. Kun, T. Prusti, S. Nikoli'c, L. E. B. Johansson, N. A. Walton; arXiv:astro-ph/0402353; https://arxiv.org/abs/astro-ph/0402353 (2021-01-30)
[260]«A census of young stellar population associated with the Herbig Be star HD 200775» Piyali Saha, Maheswar G., Kamath U. S., Lee C. W, Manoj P., Blesson Mathew, Ekta Sharma; arXiv:2005.00519; https://arxiv.org/abs/2005.00519 (2021-02-07)
[263]«Two distinct sequences of blue straggler stars in the globular cluster M30» F. R. Ferraro (1), G. Beccari (2), E. Dalessandro (1), B. Lanzoni (1), A. Sills (3), R. T. Rood (4), F. Fusi Pecci (5), A. I. Karakas (6), P. Miocchi (1), S. Bovinelli (1) ((1) Department of Astronomy, University of Bologna, Italy, (2) ESA, Space Science Department, The Netherlands, (3) McMaster University, Department of Physics and Astronomy, Canada, (4) Astronomy Department, University of Virginia, USA, (5) INAF, Osservatorio Astronomico di Bologna, Italy, (6) Research School of Astronomy and Astrophysics, Mt Stromlo Observatory, Australia); arXiv:1001.1096; https://arxiv.org/abs/1001.1096 (2021-02-08)
[264]«Updated Information on the Local Group» Sidney van den Bergh (DAO/HIA/NRC); arXiv:astro-ph/0001040; https://arxiv.org/abs/astro-ph/0001040 (2021-02-09)
[266]«The Pleiades: the celestial herd of ancient timekeepers» Amelia Sparavigna; arXiv:0810.1592; https://arxiv.org/abs/0810.1592 (2021-02-12)
[278]«The ACS Survey of Galactic Globular Clusters: M54 and Young Populations in the Sagittarius Dwarf Spheroidal Galaxy» Michael H. Siegel, Aaron Dotter, Steven R. Majewski, Ata Sarajedini, Brian Chaboyer, David L. Nidever, Jay Anderson, Antonio Marín-Franch, Alfred Rosenberg, Luigi R. Bedin, Antonio Aparicio, Ivan King, Giampaolo Piotto, I. Neill Reid; arXiv:0708.0027; https://arxiv.org/abs/0708.0027 (2021-02-18)
[282]«A Census of Variability in Globular Cluster M68 (NGC 4590)» N. Kains, A. Arellano Ferro, R. Figuera Jaimes, D. M. Bramich, J. Skottfelt, U. G. Jørgensen, Y. Tsapras, R. A. Street, P. Browne, M. Dominik, K. Horne, M. Hundertmark, S. Ipatov, C. Snodgrass, I. A. Steele, K.A. Alsubai, V. Bozza, S. Calchi Novati, S. Ciceri, G. D'Ago, P. Galianni, S.-H. Gu, K. Harpsøe, T.C. Hinse, D. Juncher, H. Korhonen, L. Mancini, A. Popovas, M. Rabus, S. Rahvar, J. Southworth, J. Surdej, C. Vilela, X.-B. Wang, O. Wertz; arXiv:1502.07345v1; https://arxiv.org/abs/1502.07345 (2021-02-22)
[285]«Spiral structure of the Third Galactic Quadrant and the solution to the Canis Major debate» A. Moitinho, R.A. Vazquez, G. Carraro, G. Baume, E.E Giorgi, W. Lyra; arXiv:astro-ph/0602493v1; https://arxiv.org/abs/astro-ph/0602493 (2021-02-27)
[293]«NGC 4254: a spiral galaxy entering the Virgo cluster»; B. Vollmer (1 and 2), W. Huchtmeier (2), W. van Driel (3) ((1) CDS, Observatoire astronomique de Strasbourg, France, (2) MPI fuer Radioastronomie, Bonn, Germany, (3) GEPI, Observatoire de Paris, Section de Meudon, France); arXiv:astro-ph/0505021; https://arxiv.org/abs/astro-ph/0505021 (2021-03-08)
[298]«On the origin of the O and B-type stars with high velocities II Runaway stars and pulsars ejected from the nearby young stellar groups» R. Hoogerwerf, J.H.J. de Bruijne, P.T. de Zeeuw; arXiv:astro-ph/0010057; https://arxiv.org/abs/astro-ph/0010057 (2021-03-25)
[312]«Variable stars in young open star cluster NGC 7380» Sneh Lata, A. K. Pandey, Neelam Panwar, W. P. Chen, M. R. Samal, J. C. Pandey; arXiv:1511.08892; https://arxiv.org/abs/1511.08892 (2021-04-13)

Bücher und Atlanten

[1]«Atlas der schönsten Himmelsobjekte» von Hans Vehrenberg; 4. Auflage von "Mein Messier-Buch", Nachdruck 1985; Treugesell-Verlag KG, Düsseldorf
[2]«Atlas des Sonnensystems» von Patrick Moore, Garry Hunt, Iain Nicholson und Peter Cattermole; Royal Astronomical Society; Herder Freiburg, Basel, Wien; ISBN 3-451-19613-1
[3]«Bildatlas des Weltraums» von Antonin Rükl, Verlag Werner Dausien, ISBN 3-7684-2808-7
[4]«Burnham's Celestial Handbook: An Observer's Guide to the Universe Beyond the Solar System» by Robert Burnham; Dover Publications, Inc.; Voume I: ISBN 0-486-23567-X; Volume II: ISBN 0-486-23568-8; Volume III: ISBN 0-486-23673-0
[5]«Cambridge Star Atlas 2000.0» by Wil Tirion; Cambridge University Press; ISBN 0-521-26322-0
[6]«Das neue Lexikon; Band 1-10»; Weltbild Verlag; © Bibliographisches Institut, Mannheim 1984
[7]«Der grosse Kosmos-Himmelsführer» von Ian Ridpath und Wil Tirion; Kosmos Verlag; ISBN 3-440-05787-9
[8]«Der Sternenhimmel: Begleiter zum Jahrbuch» von Ernst Hügli, Hans Roth und Karl Städeli; Salle + Sauerländer, ISBN 3-7941-2841-9 (Sauerländer), ISBN 3-7935-5024-9 (Salle)
[9]«Drehbare Sternkarte SIRIUS» von H. Suter-Haug; Hallwag-Verlag, Bern
[10]«dtv-Atlas zur Astronomie» von Joachim Herrmann; Deutscher Taschenbuch Verlag; ISBN 3-423-03006-2
[11]«Eine kurze Geschichte der Zeit» von Stephen W. Hawking; Lizenzausgabe für den Buchclub Ex Libris Zürich 1990; Copyright © 1988 by Rowohlt Verlag GmbH, Reinbeck bei Hamburg
[12]«The Night Sky Observer's Guide, Volume I» George Robert Kepple, Glen W. Sanner, Willman-Bell, Inc., ISBN 0-943396-58-1
[13]«The Night Sky Observer's Guide, Volume II» George Robert Kepple, Glen W. Sanner, Willman-Bell, Inc., ISBN 0-943396-60-3
[14]«Gekrümmter Raum und verbogene Zeit: Einsteins Vermächtnis» von Kip S. Thorne; Droemersche Verlagsanstalt, Th. Knaur Nachf., München 1994; ISBN 3-426-26718-7
[15]«Hartung's Astronomical Objects for Southern Telescopes» by David Malin and David J. Frew; Melbourne University Press 1995; ISBN 0-522-84553-3
[16]«Meteorite: Urmaterie aus dem interplanetaren Raum» von Rolf W. Bühler, © 1988 Birkhäuser Verlag Basel; Lizenzausgabe für den Buchclub Ex Libris Zürich 1989
[17]«Planetary Nebulae: A Practical Guide and Handbook for Amateur Astronomers» by Steven J. Hynes; 1991, Willmann-Bell, Inc., Richmond Virginia; ISBN 0-943396-30-1
[18]«Sky Atlas 2000.0» by Wil Tirion; Cambridge University Press; ISBN 0-521-24467-6
[19]«Reise durch das Universum: Sterne»; Time-Life Bücher, Amsterdam; ISBN 90-6182-369-2
[20]«Sternbilder und ihre Mythen» von Gerhard Fasching; Zweite, verbesserte Auflage; Springer Verlag Wien, New York; ISBN 3-211-82552-5 (Wien); ISBN 0-387-82552-5 (New York)
[21]«Taschenatlas der Sternbilder» von Josef Klepesta und Antonin Rükl; Verlag Werner Dausien; ISBN 3-7684-2384-0
[22]«The Deep Sky Field Guide to Uranometria 2000.0» by Murray Cragin, James Lucik and Barry Rappaport; Willmann-Bell, Inc.; ISBN 0-943396-38-7
[23]«Uranometria 2000.0, Volume I» by Wil Tirion, Barry Rappaport and George Lovi; Willmann-Bell, Inc.; ISBN 0-943396-14-X
[24]«Uranometria 2000.0, Volume II» by Wil Tirion, Barry Rappaport and George Lovi; Willmann-Bell, Inc.; ISBN 0-943396-15-8
[25]«Das Taschenbuch vom Sternenhimmel» von Peter von Eynern; Wilhelm Heyne Verlag, München, 1972
[26]Visual Astronomy of the Deep Sky by Roger N. Clark; Cambridge University Press
[27]Der Komet von Carl Sagan und Ann Druyan; Buchclub Ex Libris Zürich
[28]Signale von anderen Welten von Prof. Frank Drake und Dava Sobel; Bechtermünz Verlag; ISBN 3-86047-769-2

CDS: Centre de Données astronomiques de Strasbourg

11 rue de l'Université, 67000 Strasbourg, France; http://cdsweb.u-strasbg.fr/

[140]Hickson's Compact groups of Galaxies: VII/213; http://cdsarc.u-strasbg.fr/viz-bin/cat/VII/213
[141]Strasbourg-ESO Catalogue of Galactic Planetary Nebulae; A. Acker, F. Ochsenbein, B. Stenholm, R. Tylenda, J. Marcout, C. Schohn; European Southern Observatory; ISBN 3-923524-41-2 (1992); https://cdsarc.unistra.fr/viz-bin/cat/V/84 (2021-02-18)
[142]NGC 2000.0, The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J.L.E. Dreyer; edited by Roger W. Sinnott; Sky Publishing Corporation and Cambridge University Press (1988); https://cdsarc.unistra.fr/viz-bin/cat/VII/118 (2021-02-18)
[143]Catalogue of Galactic Globular Clusters; R. Monella, 1985; Coelum LIII, 287; http://cdsarc.u-strasbg.fr/viz-bin/cat/VII/103
[144]Catalogue of Principal Galaxies (PGC); Paturel G., Fouque P., Bottinelli L., Gouguenheim L.; Astron. Astrophys. Suppl. Ser. 80, 299 (1989); https://cdsarc.unistra.fr/viz-bin/cat/VII/119 (2021-02-18)
[145]SIMBAD astronomical database; http://cdsweb.u-strasbg.fr/Simbad.html
[146]IV/24 Catalogue of Galactic Planetary Nebulae (Kohoutek, 2001); http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/378/843
[147]Aladin Lite; https://aladin.u-strasbg.fr/AladinLite/ (2020-12-23)
[153]J/ApJ/689/194 Distances of galactic planetary nebulae (Stanghellini+, 2008); http://cdsarc.u-strasbg.fr/viz-bin/nph-Cat/html?J/ApJ/689/194/table1.dat (2021-01-02)
[159]Planetary Nebulae distances in Gaia DR2 (Kimeswenger+, 2018); http://cdsarc.u-strasbg.fr/ftp/J/A+A/616/L2/ (2021-01-02)
[226]HYPERLEDA. I. Catalog of galaxies (Paturel+, 2003); http://cdsarc.unistra.fr/viz-bin/cat/VII/237 (2021-01-13)
[228]2000A&AS..144..469R - Astron. Astrophys., Suppl. Ser., 144, 469-474 (2000/June-2); A revised catalogue of δ Sct stars; RODRIGUEZ E., LOPEZ-GONZALEZ M.J. and LOPEZ DE COCA P.; http://simbad.u-strasbg.fr/simbad/sim-ref?bibcode=2000A%26AS..144..469R (2021-01-17)
[255]Catalogue of Reflection Nebulae; Van den Bergh S.; 1966AJ.....71..990V (ADS); https://cdsarc.unistra.fr/viz-bin/cat/VII/21 (2021-01-30)
[257]Catalogue of Open Cluster Data (COCD); Kharchenko N.V. , Piskunov A.E., Roeser S. et..al; DOI: 10.26093/cds/vizier.34381163; Bibcode : 2005A&A...438.1163K (ADS); https://cdsarc.unistra.fr/viz-bin/cat/J/A+A/438/1163 (2021-01-31)
[307]Catalogue of Reflection Nebulae (Van den Bergh, 1966); https://vizier.u-strasbg.fr/viz-bin/VizieR?-source=VII/21 (2021-04-10)

ESA: European Space Agency

ESA HQ, France; http://www.esa.int/

[182]The Inky Abyss; https://esahubble.org/images/potw1932a/ (2020-12-22)
[184]Iridescent Glory of Nearby Planetary Nebula Showcased on Astronomy Day; https://esahubble.org/images/heic0307a/ (2020-12-23)
[185]Hubble image of M101; https://esahubble.org/images/opo0907h/ (2020-12-23)
[186]Seeing double; https://esahubble.org/images/potw1403a/ (2020-12-23)
[187]Hubble's planetary nebula gallery. A view of NGC 6826; https://esahubble.org/images/opo9738d/ (2020-12-24)
[188]Out of this whirl: The Whirlpool Galaxy (M51) and companion galaxy; https://esahubble.org/images/heic0506a/ (2020-12-24)
[189]Messier 61 looks straight into the camera; https://esahubble.org/images/potw1324a/ (2020-12-24)
[191]A hungry starburst galaxy; https://esahubble.org/images/potw1417a/ (2020-12-24)
[198]The belly of the cosmic whale; https://esahubble.org/images/potw1146a/ (2020-12-28)
[205]Twins with differences; https://esahubble.org/images/potw1805a/ (2020-12-30)
[213]Quasar 3C 273; https://esahubble.org/images/opo0303c/ (2020-12-31)
[214]Most detailed image of the Crab Nebula; https://esahubble.org/images/heic0515a/ (2020-12-31)
[216]Old stars with a youthful glow; https://esahubble.org/images/potw1107a/ (2020-12-31)
[220]Hubble's variable nebula (NGC 2261); https://esahubble.org/images/opo9935c/ (2021-01-08)
[222]The largest of its kind; https://esahubble.org/images/potw1913a/ (2021-01-10)
[223]Blue rejuvenation; https://esahubble.org/images/potw1914a/ (2021-01-10)
[224]Hubble views a cosmic oyster and pearl in NGC 1501; https://www.esa.int/ESA_Multimedia/Images/2016/09/Hubble_views_a_cosmic_oyster_and_pearl_in_NGC_1501 (2021-01-10)
[234]NGC 7009 illustration; https://esahubble.org/images/opo9738m/ (2021-01-19)
[241]The crammed centre of Messier 22; https://esahubble.org/images/potw1514a/ (2021-01-22)
[245]Bucking the trend; https://esahubble.org/images/potw1921a/ (2021-01-22)
[249]Ancient orbs; https://esahubble.org/images/potw1236a/ (2021-01-24)
[250]Breathing new life into an old cluster; https://esahubble.org/images/potw1118a/ (2021-01-24)
[259]A galactic sunflower; https://esahubble.org/images/potw1536a/ (2021-02-06)
[262]Vampires and collisions rejuvenate stars; https://esahubble.org/news/heic0918/ (2021-02-08)
[273]Invisible X-rays; https://esahubble.org/images/potw1911a/ (2021-02-15)
[280]A collection of ancient stars; https://esahubble.org/images/potw1234a/ (2021-02-19)
[290]Spotlight on IC 3583; https://esahubble.org/images/potw1648a/ (2021-03-02)
[300]HERSCHEL IMAGE OF IC 5146; https://sci.esa.int/web/herschel/-/48624-herschel-image-of-ic-5146 (2021-03-31)
[301]The two mysterious populations of NGC 2419; https://esahubble.org/images/potw1908a/ (2021-04-06)
[309]Young star rebels against its parent cloud; http://www.esa.int/Science_Exploration/Space_Science/Young_star_rebels_against_its_parent_cloud (2021-04-11)

ESO: European Southern Observatory

ESO Headquarters, Karl-Schwarzschild-Str. 2, 85748 Garching bei München, Germany; https://www.eso.org/

[195]ESO Online Digitized Sky Survey; https://archive.eso.org/dss/dss (2020-12-27)
[208]New ESO’s VLT image of the Skull Nebula; https://www.eso.org/public/images/eso2019a/ (2020-12-30)
[221]NGC 2264 and the Christmas Tree cluster; https://www.eso.org/public/images/eso0848a/ (2021-01-08)
[229]MUSE image of the Saturn Nebula; https://www.eso.org/public/images/eso1731a/ (2021-01-17)
[236]Spiral galaxy NGC 1097; https://www.eso.org/public/images/eso0438d/ (2021-01-20)
[275]Barnard's Galaxy; https://www.eso.org/public/images/eso0938a/ (2021-02-17)
[279]VISTA infrared image of the globular star cluster Messier 55; https://www.eso.org/public/unitedkingdom/images/eso1220a/ (2021-02-19)
[284]The edge-on galaxy NGC 1055; https://www.eso.org/public/unitedkingdom/images/eso1707a/ (2021-02-26)
[292]Why so blue?; https://www.eso.org/public/images/potw1636a/ (2021-03-07)

Harvard University

Massachusetts Hall; Cambridge, MA 02138; USA; https://www.harvard.edu/

[154]Yale Bright Star Catalog, 15. Oktober 2020; http://tdc-www.harvard.edu/catalogs/bsc5.html
[166]Atlas of Compact Groups of Galaxies (Special Issue); Hickson, P.; Astrophysical Letters and Communications, Vol. 29, p. 1; 1993ApL&C..29....1H; http://articles.adsabs.harvard.edu//full/1993ApL%26C..29....1H/0000116.000.html (2020-12-29)
[167]The most luminous quasar: S5 0014 +81; Kuhr, H.; Liebert, J. W.; Strittmatter, P. A.; Schmidt, G. D.; Mackay, C.; Astrophysical Journal, Vol. 275, p. L33-L37 (1983); 1983ApJ...275L..33K; https://ui.adsabs.harvard.edu/abs/1983ApJ...275L..33K/abstract (2020-12-31)
[219]"Photometry of open cluster NGC 1931"; Pandey, A. K.; Mahra, H. S.; Astrophysics and Space Science, Volume 120, Issue 1, pp.107-113; Pub Date: March 1986; DOI 10.1007/BF00653902; Bibcode 1986Ap&SS.120..107P; https://ui.adsabs.harvard.edu/abs/1986Ap%26SS.120..107P/abstract (2021-01-07)
[288]«Galactic Radiation at Radio Frequencies. II. The Discrete Sources» Stanley, G. J. & Slee, O. B.; Australian Journal of Scientific Research A Physical Sciences, vol. 3, p. 234; 1950AuSRA...3..234S; http://adsabs.harvard.edu/full/1950AuSRA...3..234S (2021-03-01)
[289]«On the Identification of Radio Sources.» Baade, W.; Minkowski, R.; Astrophysical Journal, vol. 119, p.215; January 1954; 1954ApJ...119..215B; https://ui.adsabs.harvard.edu/abs/1954ApJ...119..215B/abstract (2021-03-01)
[296]NGC 40: Astronomers Find New Evidence for the Violent Demise of Sun-Like Stars; https://chandra.harvard.edu/photo/2005/n40/ (2021-03-21)
[303]List of Supernovae; http://www.cbat.eps.harvard.edu/lists/Supernovae.html (2021-04-08)
[310]«A CATALOGUE OF H-II REGIONS» Stewart Sharpless, US Naval Observatory, 1959; http://articles.adsabs.harvard.edu/pdf/1959ApJS....4..257S (2021-04-11)
[313]Dreyer, J. L. E. (1888). "A New General Catalogue of Nebulae and Clusters of Stars, being the Catalogue of the late Sir John F.W. Herschel, Bart., revised, corrected, and enlarged" (PDF). Memoirs of the Royal Astronomical Society. 49: 1–237. Bibcode:1888MmRAS..49....1D.; https://ui.adsabs.harvard.edu/abs/1888MmRAS..49....1D/abstract (2021-04-14)
[314]«Index Catalogue of Nebulæ found in the years 1888 to 1894, with Notes and Corrections to the New General Catalogue» Dreyer, J. L. E.; Memoirs of the Royal Astronomical Society, Vol. 51, p.185; 1985; https://ui.adsabs.harvard.edu/abs/1895MmRAS..51..185D/abstract (2021-04-14)
[315]Dreyer, J. L. E. (1910). "Second Index Catalogue of Nebulae and Clusters of Stars; containing objects found in the years 1895 to 1907, with Notes and Corrections to the New General Catalogue and to the Index Catalogue for 1888–94" (PDF). Memoirs of the Royal Astronomical Society. 59: 105–198. Bibcode:1910MmRAS..59..105D; https://ui.adsabs.harvard.edu/abs/1910MmRAS..59..105D/abstract (2021-04-14)
[316] Dreyer, J. L. E. (1912). "Corrections to the New General Catalogue resulting from the revision of Sir William Herschel's Three Catalogues of Nebulae". Monthly Notices of the Royal Astronomical Society. 73: 37–40. Bibcode:1912MNRAS..73...37D. doi:10.1093/mnras/73.1.37.; https://ui.adsabs.harvard.edu/abs/1912MNRAS..73...37D/abstract (2021-04-14)

NASA: National Aeronautics and Space Administration

NASA Headquarters 300 E. Street SW, Suite 5R30 Washington, DC 20546; https://www.nasa.gov/

[151]Hubble's sharpest view of the Orion Nebula; https://hubblesite.org/contents/media/images/2006/01/1826-Image.html (2021-01-03)
[178]Happy Sweet Sixteen, Hubble Telescope! – Starburst Galaxy M82; https://hubblesite.org/contents/media/images/2006/14/1876-Image.html (2020-12-21)
[179]Hubble/Galex/Spitzer Composite Image Of M81; https://hubblesite.org/contents/media/images/2007/19/2130-Image.html (2020-12-21)
[180]Hubble Photographs Grand Design Spiral Galaxy M81; https://hubblesite.org/contents/media/images/2007/19/2127-Image.html (2020-12-21)
[181]Dust Band Around The Nucleus Of "Black Eye Galaxy" M64; https://hubblesite.org/contents/media/images/2004/04/1447-Image.html (2020-12-21)
[183]The Majestic Sombrero Galaxy (M104); https://hubblesite.org/contents/media/images/2003/28/1415-Image.html (2020-12-23)
[190]Hubbles Messier Catalog: Messier 61; https://www.nasa.gov/feature/goddard/2017/messier-61 (2020-12-24)
[194]NASA/IPAC Extragalactic Database (NED); https://ned.ipac.caltech.edu/ (2020-12-27)
[200]Horsehead Nebula in Infrared; https://hubblesite.org/image/3844/printshop (2020-12-28)
[203]The Tadpole Galaxy: Distorted Victim of Cosmic Collision; https://hubblesite.org/contents/media/images/2002/11/1181-Image.html (2020-12-29)
[211]Dusty Helix Nebula; http://www.spitzer.caltech.edu/images/1746-ssc2007-03a1-Dusty-Helix-Nebula (2020-12-30)
[215]Explore - The Night Sky | Hubble’s Messier Catalog; https://www.nasa.gov/content/goddard/hubble-s-messier-catalog (2020-12-31)
[225]NGC 2392; https://hubblesite.org/contents/media/images/2000/07/940-Image.html (2021-01-10)
[230]Black Hole-Powered Jet Of Electrons And Sub-Atomic Particles Streams From Center Of Galaxy M87; https://hubblesite.org/contents/media/images/2000/20/968-Image.html (2021-01-17)
[231]Full ACS image of NGC 5866; https://hubblesite.org/contents/media/images/2006/24/1933-Image.html (2021-01-17)
[240]Messier 28; https://www.nasa.gov/feature/goddard/2017/messier-28 (2021-01-22)
[242]HINT OF PLANET-SIZED DRIFTERS BEWILDERS HUBBLE SCIENTISTS; https://hubblesite.org/contents/news-releases/2001/news-2001-20.html (2021-01-22)
[243]Messier 60; https://www.nasa.gov/feature/goddard/2017/messier-60/ (2021-01-22)
[244]ODD GALAXY COUPLE ON SPACE VOYAGE; September 06, 2012 9:00AM (EDT); Release ID: 2012-38; https://hubblesite.org/contents/news-releases/2012/news-2012-38.html (2021-01-22)
[246]Messier 59; https://www.nasa.gov/feature/goddard/2018/messier-59 (2021-01-22)
[247]THE CAT'S EYE NEBULA: DYING STAR CREATES FANTASY-LIKE SCULPTURE OF GAS AND DUST; https://hubblesite.org/contents/media/images/2004/27/1578-Image.html (2021-01-24)
[253]Witch Head Nebula; https://www.nasa.gov/multimedia/imagegallery/image_feature_1209.html (2021-01-30)
[261]Explore - The Night Sky | Hubble’s Caldwell Catalog; https://www.nasa.gov/content/goddard/hubble-s-caldwell-catalog (2021-02-08)
[272]Behind the gas and dust of Orion's trapezium cluster; https://hubblesite.org/contents/media/images/2000/19/967-Image.html (2021-02-14)
[276]Hubble X: A glowing gas cloud in the star-forming region of galaxy NGC 6822; https://hubblesite.org/contents/media/images/2001/01/1012-Image.html (2021-02-17)
[294]Spiral Galaxy Pair NGC 4302 and NGC 4298; https://hubblesite.org/image/4019/gallery (2021-03-10)
[308]Hubble Serves Up a Holiday Snow Angel; https://www.nasa.gov/mission_pages/hubble/science/snow-angel.html (2021-04-11)

NSF: National Science Foundation

National Science Foundation, 2415 Eisenhower Avenue, Alexandria, Virginia 22314, USA Tel: (703) 292-5111, FIRS: (800) 877-8339 | TDD: (800) 281-8749; https://nsf.gov/

[157]Planetary Nebula Sampler by George H. Jacoby; http://www.noao.edu/jacoby/pn_gallery.html
[158]NOAO Image Gallery; http://www.noao.edu/image_gallery/
[197]NOIRLab: Hockey Stick Galaxy NGC 4656; https://noirlab.edu/public/images/noao-ngc4656/ (2020-12-28)
[232]NOIRLab: M97, NGC 3587; https://noirlab.edu/public/images/noao-m97/ (2021-01-19)
[233]NOIRLab: M108, NGC 3556; https://noirlab.edu/public/images/noao-m108/
[256]Ghost Nebula, vdB 141; https://noirlab.edu/public/images/noao-vdb141/ (2021-01-30)
[283]M76, NGC 650/651; https://noirlab.edu/public/images/noao-m76-kpno-0-9-meter/ (2021-02-25)
[286]Big Galaxy Collisions Can Stunt Star Formation; https://noirlab.edu/public/news/noao0808/ (2021-03-01)
[291]M91, NGC 4548; https://noirlab.edu/public/images/noao-m91/ (2021-03-03)
[295]M99; NGC 4254; https://noirlab.edu/public/images/noao-m99/ (2021-03-10)
[297]Planetary nebula NGC 40; https://noirlab.edu/public/images/noao-ngc40w/ (2021-03-21)
[317]T Tauri in NGC 1555; https://noirlab.edu/public/images/noao-ttau/ (2021-04-14)

Software

[128]The Earth Centered Universe (ECU) von David J. Lane; Nova Astronomics; http://fox.nstn.ca/~ecu/edu.html
[129]TheSky for Windows, Version 2.11, Level IV; Software Bisque; 912 Twelfth Street; Suite A; Golden, Colorado 80401, USA; http://www.bisque.com/thesky/
[130]Guide; Project Pluto, 168 Ridge Road, Bowdoinham ME 04008, USA; http://www.projectpluto.com/
[131]XEphem Elwood Charles Downey; http://iraf.noao.edu/~ecdowney/xephem.html
[132]The GIMP; Spencer Kimball and Peter Mattis; http://www.gimp.org/
[149]SkySafari 6 Pro, Simulation Curriculum; https://skysafariastronomy.com/
[227]CDS Aladin Desktop; https://aladin.u-strasbg.fr/aladin.gml
[265]PP3 - Celestial Chart Generation, Torsten Bronger; http://pp3.sourceforge.net/ (2021-02-11)

STScI: Space Telescope Science Institute

Space Telescope Electronic Information Service; ; https://www.stsci.edu/

[160]The STScI Digitized Sky Survey; https://archive.stsci.edu/cgi-bin/dss_form
[161]Hubble Spies Globular Cluster in Neighbouring Galaxy; Press Release No. STScI-PRC96-11; http://oposite.stsci.edu/pubinfo/pr/96/11/A.html
[162]Planetary Nebula NGC 6543; Press Release No. STScI-PRC95-01; http://oposite.stsci.edu/pubinfo/pr/95/01.html
[168]Hubble peers into the Heart of the densest known Star Cluster; Press Release No. STScI-PRD95-06; http://oposite.stsci.edu/pubinfo/pr/95/06.html
[169]Cygnus Loop; Press Release No. STScI-PRC95-11; http://oposite.stsci.edu/pubinfo/pr/95/11.html
[170]Crab Nebula -- The Movie; Press Release No. STScI-PRC96-22; http://oposite.stsci.edu/pubinfo/pr/96/22.html
[171]Giant 'Twisters' and Star Wisps in the Lagoon Nebula; Press Release No. STScI-PR96-38; http://oposite.stsci.edu/pubinfo/pr/96/38.html
[172]Giant Starbirth Region In Neighboring Galaxy; Press Release No. STScI-PR96-27; http://oposite.stsci.edu/pubinfo/pr/96/27.html
[173]Gallery of Planetary Nebula Images; http://oposite.stsci.edu/pubinfo/pr/97/pn/
[174]Embryonic Stars Emerge from Interstellar 'EGGs'; Press Release No. STScI-PR95-44; http://oposite.stsci.edu/pubinfo/pr/95/44.html
[175]Hubble Space Telescope Finds Stellar Graveyard; Press Release No. STScI-PR95-32; http://oposite.stsci.edu/pubinfo/pr/95/32.html
[176]Looking Down a Barrel of Gas at a Doomed Star; Press Release No. STScI-PR99-01; http://oposite.stsci.edu/pubinfo/pr/1999/01/
[177]Hubble Legacy Archive; https://hla.stsci.edu/ (2021-01-02)

Wikipedia

The Free Encyclopedia; https://www.wikipedia.org/

[206]NGC 7331; https://en.wikipedia.org/wiki/NGC_7331 (2020-12-30)
[207]NGC 7331 Group; https://en.wikipedia.org/wiki/NGC_7331_Group (2020-12-30)
[209]NGC 246; https://en.wikipedia.org/wiki/NGC_246 (2020-12-30)
[210]Helix Nebula; https://en.wikipedia.org/wiki/Helix_Nebula (2020-12-30)
[212]S5 0014+81; https://en.wikipedia.org/wiki/S5_0014%2B81 (2020-12-31)
[258]Arecibo message; https://en.wikipedia.org/wiki/Arecibo_message (2021-02-03)
[268]Theta1 Orionis A; https://en.wikipedia.org/wiki/Theta1_Orionis_A (2021-02-14)
[269]Theta1 Orionis B; https://en.wikipedia.org/wiki/Theta1_Orionis_B (2021-02-14)
[270]Theta1 Orionis C; https://en.wikipedia.org/wiki/Theta1_Orionis_C (2021-02-14)
[271]Theta1 Orionis D; https://en.wikipedia.org/wiki/Theta1_Orionis_D (2021-02-14)
[299]Sh2-155; https://en.wikipedia.org/wiki/Sh2-155 (2021-03-25)

WWW und andere Quellen

[133]Deepsky Atlas of the Hawaiian Astronomical Society; http://www.hawastsoc.org/deepsky/
[134]Lyon-Meudon Extragalactic Database (LEDA); http://leda.univ-lyon1.fr/
[135]Europas Uhr geht sechs Jahre nach von Barbara S. Eisenbeiss; MUSEION 2000, Glaube, Wissen, Kunst in Geschichte und Gegenwart; 6/94, S. 32
[136]Nord- und Südhimmel: Bootes, Star Observer 5/94, S.43
[137]Flags of the World (FOTW) Web Site; http://fotw.digibel.be/flags/
[138]WEBDA, Sternwarte Genf; http://obswww.unige.ch/webda/
[139]Der Hippokratische Eid, deutsche Übersetzung und medizinhistorischer Kommentar, Prof. Dr. med Axel W. Bauer; http://www.uni-heidelberg.de/institute/fak5/igm/g47/bauerhip.htm
[148]CATALOG OF PARAMETERS FOR MILKY WAY GLOBULAR CLUSTERS: Compiled by William E. Harris, McMaster University, revision: December 2010; http://physwww.mcmaster.ca/~harris/mwgc.dat (2021-01-03)
[150]IAU: The Constellations, 11. Oktober 2020; https://www.iau.org/public/themes/constellations/
[155]PNG Egg; https://www.pngegg.com/
[156]Photographs from the Anglo-Australian Observatory; http://www.aao.gov.au/images.html
[163]Hubble's Hidden Treasuer - Image Processing; https://www.flickr.com/groups/hubblehiddentreasures_advanced/pool/ (2021-01-02)
[164]HST NGC 6309 by Judy Schmidt; https://www.flickr.com/photos/54209675@N00/10039678053 (2021-01-02)
[165]Flickr: Judy Schmidt; https://www.flickr.com/people/geckzilla/ (2021-01-02)
[192]Deep-Sky Guide; http://www.fernrohr.ch/1d_deep-sky-guide.html (2020-12-25)
[193]Beispiel Impressum für die Schweiz; https://2sicgeeks.wordpress.com/2012/03/27/beispiel-impressum-fur-die-schweiz/ (2020-12-25)
[196]Celestial Atlas by Curtney Seligman; http://cseligman.com/text/atlas.htm (2020-12-28)
[199]Atlas Of Peculiar Galaxies, Halton Arp; http://ned.ipac.caltech.edu/level5/Arp/Arp_contents.html (2020-12-28)
[201]The Astronomical Journal: "Looking into the Horsehead" Marc W. Pound1, Bo Reipurth, and John Bally; https://iopscience.iop.org/article/10.1086/368138 (2020-12-28)
[204]Wolfram Alpha; https://www.wolframalpha.com/ (2020-12-29)
[217]The Messier Catalog (SEDS); https://www.messier.seds.org/ (2021-01-01)
[235]Astronomers Measure Mass of Supermassive Black Hole in NGC 1097; http://www.sci-news.com/astronomy/science-supermassive-black-hole-ngc1097-02928.html (2021-01-20)
[239]"On the dark markings of the sky, with a catalogue of 182 such objects."; Barnard, E. E.; Astrophysical Journal, 49, 1-24 (1919); DOI:10.1086/142439 Bibcode: 1919ApJ....49....1B; https://ui.adsabs.harvard.edu/abs/1919ApJ....49....1B/abstract (2021-01-22)
[248]Crab Nebula (one decade time-lapse movie) by Detlef Hartmann; https://vimeo.com/253674871 (2021-01-24)
[252]EZgif; https://ezgif.com/
[267]The Webb Deep-Sky Society; https://www.webbdeepsky.com/ (2021-02-13)
[274]NGC 6822 von Wolfgang Steinicke; http://www.klima-luft.de/steinicke/Artikel/NGC6822.pdf (2021-02-17)
[277]«Historische Deep-Sky Kataloge» von Dr. Wolfgang Steinicke; http://www.klima-luft.de/steinicke/ (2021-02-17)
[281]«Catalogue Nébuleuses et des Amas D'Étoiles» Observées à Paris, par M. Messier, à l'Observatoire de la Marine, hôtel de Clugni, rue des Mathurins. «Connoissance des temps ou connoissance des mouvements célestes, pour l'année bissextile 1784 » Page 227 ; https://gallica.bnf.fr/ark:/12148/bpt6k6514280n/f235 (2021-02-21)
[287]Press Release (April 10, 2019): Astronomers Capture First Image of a Black Hole; https://eventhorizontelescope.org/press-release-april-10-2019-astronomers-capture-first-image-black-hole (2021-03-01)
[302]The power of teaming up HST and Gaia: the first proper motion measurement of the distant cluster NGC 2419; https://www.aanda.org/articles/aa/full_html/2017/02/aa30174-16/aa30174-16.html (2021-04-07)
[304]All active supernova over mag 17.0; https://www.rochesterastronomy.org/supernova.html (2021-04-08)
[305]«Tidal Debris in the Starburst Galaxy NGC 3310: A New Tidal Loop?» Elizabeth H. Wehner and John S. Gallagher III 2004 ApJ 618 L21; https://iopscience.iop.org/article/10.1086/427651 (2021-04-08)
[306]«Supermassive black holes in the Sbc spiral galaxies NGC 3310, NGC 4303 and NGC 4258» G. Pastorini, A. Marconi1 A. Capetti, D. J. Axon, A. Alonso-Herrero, J. Atkinson, D. Batcheldor, C. M. Carollo, J. Collett, L. Dressel, M. A. Hughes, D. Macchetto, W. Maciejewski, W. Sparks and R. van der Marel; 14 February 2007; https://www.aanda.org/articles/aa/abs/2007/26/aa6784-06/aa6784-06.html (2021-04-08)
[311]«A KINEMATIC AND PHOTOMETRIC STUDY OF THE GALACTIC YOUNG STAR CLUSTER NGC 7380» W. P. Chen, A. K. Pandey, Saurabh Sharma, C. W. Chen, Li Chen, J. Sperauskas, K. Ogura, R. J. Chuang, and R. P. Boyle; Published 2011 August 9; https://iopscience.iop.org/article/10.1088/0004-6256/142/3/71 (2021-04-13)

Zeitschrift astro*sapiens

ISSN 1021-5638; Zeitschrift astro*sapiens; XA4; Sihlmatten 10; CH-8134 Adliswil; Diese Zeitschrift ist nicht mehr erhältlich!

[29]Im Fadenkreuz von Markus Hägi; astro*sapiens3/91, S.52
[30]Im Fadenkreuz von Markus Hägi; astro*sapiens4/94, S.7
[31]Die Fehler in Messiers Katalog von Xavier Donath; astro*sapiens4/94, S.39
[32]Die Galaxien des Virgo-Haufens von Hans-Rudolf Frei; astro*sapiens1/92, S.15
[33]Im Fadenkreuz von Markus Hägi; astro*sapiens1/92, S.35
[34]Im Fadenkreuz von Markus Hägi; astro*sapiens2/92, S.18
[35]Im Fadenkreuz von Markus Hägi; astro*sapiens3/92, S.29
[36]Im Fadenkreuz von Markus Hägi; astro*sapiens4/92, S.26
[37]Im Fadenkreuz von Markus Hägi; astro*sapiens3/93, S.6
[38]Im Fadenkreuz: Die Lösung! von Markus Hägi; astro*sapiens4/93, S.51
[39]Im Fadenkreuz von Markus Hägi; astro*sapiens1/94, S.25
[40]Auch M51 Hat Eine Supernova! von Stefan Meister; astro*sapiens2/94, S.6
[41]Im Fadenkreuz von Markus Hägi; astro*sapiens2/94, S.52
[42]Im Fadenkreuz von Markus Hägi; astro*sapiens3/94, S.48
[43]Im Fadenkreuz von Markus Hägi; astro*sapiens4/94, S.33
[44]Schleierhaftes Am Winterhimmel von Bruno Bleiker und Patrick Schellenbauer; astro*sapiens1/95, S.12
[45]Im Fadenkreuz von Markus Hägi; astro*sapiens1/95, S.28
[46]Grün, Blau Oder Grau? von Philipp Heck; astro*sapiens2/95, S.29
[47]Im Fadenkreuz von Markus Hägi; astro*sapiens2/95, S.46
[48]Im Fadenkreuz von Philipp Heck; astro*sapiens3/95, S.27
[49]Im Fadenkreuz von Markus Hägi; astro*sapiens4/95, S.17
[50]Von Samichläusen und Weihnachtsbäumen: Zwei Schmankerl am Winterhimmel von Philipp Heck; astro*sapiens4/95, S. 51

Zeitschrift Astronomy

ICD 08070; Kalmbach Publishing Co.; 21027 Crossroads Circle; P.O. Box 1612; Waukesha, WI 53187; USA; http://www.kalmbach.com/astro/astronomy.html

[51]Eye On The Sky: Canes Venatici by Deborah Byrd; Astronomy 4/92, p.52
[52]Eye On The Sky: Sagittarius by Deborah Byrd; Astronomy 7/92, p.52
[53]Exploring The Wonders Of Scutum by Robert Garfinkle; Astronomy 7/92, p.67
[54]Eye On The Sky: Cygnus by Deborah Byrd; Astronomy 8/92, p.48
[55]Eye On The Sky: Delphinus, Equuleus by Deborah Byrd; Astronomy 10/92, p.48
[56]Eye On The Sky: Orion by Deborah Byrd; Astronomy 1/93, p.52
[57]Eye On The Sky: Cancer by Deborah Byrd; Astronomy 2/93, p.52
[58]Eye On The Sky: Bootes by Deborah Byrd; Astronomy 4/93, p.48
[59]Eye On The Sky: Libra by Deborah Byrd; Astronomy 5/93, p.48
[60]Beautiful Bootes by Alister Ling; Astronomy 5/93, p.56
[61]Eye On The Sky: Scorpius by Deborah Byrd; Astronomy 6/93, p.48
[62]Eye On The Sky: Aquila by Deborah Byrd; Astronomy 7/93, p.48
[63]Eye On The Sky: Aquarius by Deborah Byrd; Astronomy 8/93, p.56
[64]Eye On The Sky: Piscis Austrinus by Deborah Byrd; Astronomy 9/93, p.48
[65]The Starry Sky: Orion by Deborah Byrd; Astronomy 1/94, p.55
[66]The Starry Sky: Perseus by Deborah Byrd; Astronomy 2/94, p.52
[67]The Starry Sky: Leo by Deborah Byrd; Astronomy 3/94, p.51
[68]The Starry Sky: Ursa Maior by Deborah Byrd; Astronomy 5/94, p.82
[69]The Starry Sky: Lyra by Deborah Byrd; Astronomy 6/94, p.51
[70]Tracking Down A Quasar by Phil Harrington; Astronomy 6/94, p.56
[71]The Starry Sky: Cygnus by Deborah Byrd; Astronomy 7/94, p.52
[72]Hunting Down The Cygnus Bubble; Astronomy 7/94, p.53
[73]The Starry Sky: Aquila by Deborah Byrd; Astronomy 8/94, p.51
[74]The Starry Sky: Cassiopeia by Deborah Byrd; Astronomy 9/94, p.63
[75]Spot M33 With The Naked Eye; Astronomy 9/94, p.65
[76]The Starry Sky: Aries by Deborah Byrd; Astronomy 10/94, p.50
[77]The Starry Sky: Taurus by Deborah Byrd; Astronomy 12/94, p.60
[78]The Starry Sky: Canis Minor by Deborah Byrd; Astronomy 2/95, p.63
[79]The Starry Sky: Virgo by Deborah Byrd; Astronomy 4/95, p.62
[80]The Starry Sky: Sagittarius by Deborah Byrd; Astronomy 7/95, p.60
[81]The Starry Sky: Capricornus by Deborah Byrd; Astronomy 8/95, p.58
[82]The Starry Sky: Cepheus by Deborah Byrd; Astronomy 9/95, p.63
[83]The Starry Sky: Pisces by Deborah Byrd; Astronomy 10/95, p.62
[84]The Starry Sky: Andromeda by Deborah Byrd; Astronomy 11/95, p.69
[85]The Starry Sky: Auriga by Deborah Byrd; Astronomy 12/95, p.69
[86]The Starry Sky: Gemini by Deborah Byrd; Astronomy 1/96, p.64
[87]The Starry Sky: Canopus and Carina the Keel by Deborah Byrd; Astronomy 2/96, p.64
[88]The Starry Sky: Canes Venatici by Deborah Byrd; Astronomy 3/96, p.62
[89]The Starry Sky: Coma Berenices by Deborah Byrd; Astronomy 4/96, p.62
[90]Hunt Down A Quasar; Astronomy 4/96, p.64
[91]Plunge Into The Lagoon by David J. Eichner; Astronomy 7/96, p.82
[92]Have Astronomers Solved The Quasar Enigma? by Ken Croswell; Astronomy 2/93, p.28

Zeitschrift Interstellarum

ISSN 0946-9915; Redaktion Interstellarum; Ronald C. Stoyan; Am Hasengarten 11; D-91074 Herzogenaurach; https://www.interstellarum.de/

[93]Objekte der Saison: Cr 399 von Jürgen Lamprecht; Interstellarum3/95, S.48
[94]Objekte der Saison: PK 205+14.1 von Ronald C. Stoyan; Interstellarum1/96, S.54
[95]Objekte der Saison: 3C 273 von Klaus Veit; Interstellarum2/96, S.50
[96]Objekte der Saison: NGC 4169/73/74/75 von Klaus Veit; Interstellarum2/96, S.52
[97]Objekte für lange Brennweiten: Die Galaxie M63 von Peter Riepe und Stefan Binnewies; Interstellarum2/96, S.60
[98]Objekte der Saison: M92 von Jürgen Lamprecht; Interstellarum3/95, S.53

Zeitschrift Sky & Telescope

ISSN 0037-6604; Sky Publishing Corporation; 49 Bay State Rd.; Cambridge, MA 02138; USA; https://skyandtelescope.org/

[99]Observer's Notebook: Twin Quasar Continues to Attract Observers; S&T 3/93, p.119
[100]The First Globular Cluster of the Season by Walter Scott Hudson; S&T 5/93, p.108
[101]A City on the Moon and a Diamond in Virgo; S&Ts&T 5/93, p.109
[102]The Man with the Snake by George Lovi; S&T 6/93, p.63
[103]Rediscovering the Color of the Crab Nebula by David Malin and Jay M. Pasachoff; S&T 7/93, p.43
[104]Summer's Grandest Globular Cluster by Walter Scott Houston; S&T 7/93, p.110
[105]A Star-Hop from Andromeda by Alan M. MacRobert; S&T 12/93, p.45
[106]Resolving a Quasar's Jet; S&T 3/94, p.12
[107]Rabbit Tracks by E. C. Krupp; S&T 6/94, p.64
[108]Ring Nebula Reality; S&T 7/94, p.15
[109]A Cepheus Star-Hop by Alan M. MacRobert; S&T 9/94, p.40
[110]The Veil Nebula by Roger N. Clark; S&T 10/94, p.104
[111]A Catalog of Quasars Near and Far by Geoffrey Burbidge and Adelaide Hewitt; S&T 12/94, p.32
[112]Images: NGC 4038/39 by David Malin; S&T 12/94, p.42
[113]Anatomy of a Crab by Wayne J. Parker; S&T 1/95, p.38
[114]Anatomy of a Cat's Eye; S&T 4/95, p.12
[115]Hubble Telescope Probes Shocks in Cygnus; S&T 5/95, p.11
[116]Young Star Clusters Found by HST in the 'Antennae'; S&T 6/95, p.12
[117]Andromeda's Brightest Globular Cluster by Leos Ondra; S&T 11/95, p.68
[118]X-raying the Crab; S&T 2/96, p.15
[119]Hubble Highlights the Helix Nebula's Knots; S&T 6/96, p.13
[120]Fingering the Crab; S&T 6/96, p.16
[121]Ripples in the Crab Nebula; S&T 8/96, p.10
[122]Our Neighbor's Brightest Globular; S&T 8/96, p.15
[123]M33's Puzzling Globulars; S&T 10/96, p.14
[218]Images: NGC 604 by Hui Yang; S&T 11/96, p.20

Zeitschrift Sterne und Weltraum

B 5496 E; Redaktion Sterne und Weltraum; Max-Planck-Institut für Astronomie;Königstuhl 17; D-69117 Heidelberg; http://www.mpia-hd.mpg.de/suw/suw

[124]Quasar 3C 273 im Achtzöller von Michael Grosse; SuW 4/88, S.246
[125]Aktuelle Hinweise für den Beobachter; SuW 8-9/94, S.635
[126]Deep-Sky-Objekte des Monats: visuell beobachtet: NGC 6888 von Ronald C. Stoyan; SuW 7/96, S.555
[127]Bewegung im Krebsnebel; SuW 8-9/96, S.611

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