Planetary Nebula Minkowski 4-17
History
The planetary nebula Minkowski 4-17 (M 4-17, PK 79+5.1) was discovered in 1948 by the German-American astronomer Rudolph Minkowski. He also contributed to the creation of the National Geographic Society - Palomar Observatory Sky Survey (POSS). The fourth list of planetary nebulae discovered by Minkowski (M 4-1 to M 4-18) was only introduced by Perek and Kohoutek in 1965. In the original list they were not numbered. [145]
Physical Properties
The distance from M 4-17 is about 4.1 kpc (13'400 light years) and the radius 0.66 pc (2.15 light years). [339]
| Designations | PN G079.6+05.8: M 4-17, PK 79+05.1, ARO 346 |
| Right Ascension (J2000.0) | 20h 09m 02s |
| Declination (J2000.0) | +43° 43' 46" |
| Dimensions | 15.2" (optical) |
| Radial Velocity | -26.0 ± 25.0 km/s |
| Discoverer | MINKOWSKI 1948 |
Finder Chart
The planetary nebula Minkowski 4-17 (PK 79 + 5.1) is located in the constellation Cygnus. The best time to watch is April to November, when it is highest at night.
