Catalogues

Catalogue

Constellation

Canis Minor / New General & Index Catalogue (NGC/IC)

Open Clusters

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke ^[277]
Name	RA	Dec	Type	Dim	Dreyer Description
NGC 2459	07 52 01.7	+09 33 29	OCL	1.5	vF, S, rr group + neb

Galaxies

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke ^[277]
Name	RA	Dec	Type	bMag	vMag	B-V	SB	Dim	PA	z	D(z)	MD	Dreyer Description	Identification, Remarks
NGC 2350	07 13 12.1	+12 15 59	Gx (S0-a)	13.3	12.3	1.0	12.0	1.4 × 0.7	110	0.006371	26.91		eF, eS, iR	UGC 3747; MCG 2-19-1; CGCG 57-5; IRAS 07104+1221
NGC 2402 1	07 30 46.5	+09 38 51	Gx (E?)	14.9	13.9	1.0	13.4	0.8 × 0.8		0.017679	74.67		eF, S, R, lbM, * inv	UGC 3891; MCG 2-19-4; CGCG 57-15
NGC 2402 2	07 30 47.8	+09 39 14	Gx (S)	16.0	15.2	0.8	13.9	0.7 × 0.5	95	0.017435	73.64		eF, S, R, lbM, * inv	UGC 3891; MCG 2-19-4; CGCG 57-15
NGC 2416	07 35 41.4	+11 36 45	Gx (Sc)	14.1	13.4	0.7	12.9	1 × 0.7	110	0.017015	71.87	57.900	eF, S	UGC 3925; MCG 2-20-2; CGCG 58-8; IRAS 07329+1143
NGC 2470	07 54 20.4	+04 27 36	Gx (Sab)	13.6	12.7	0.9	12.7	2 × 0.6	128	0.013513	57.08		eF, S, lE, bet 2 st	UGC 4091; MCG 1-20-9; CGCG 30-29; IRAS 07517+0435
NGC 2485	07 56 48.7	+07 28 39	Gx (Sa)	13.1	12.2	0.9	12.9	1.6 × 1.4	153	0.015377	64.95		Neb * 12 m	UGC 4112; MCG 1-21-1; CGCG 31-3; IRAS 07541+0736
NGC 2491	07 58 27.3	+07 59 04	Gx (S)	15.6	14.8	0.8	11.6	0.3 × 0.2	93	0.063650	268.9		eeF, pS, irrR, v diffic, B * p	CGCG 31-7; NPM1G +08.0123
NGC 2496	07 58 37.4	+08 01 41	Gx (E2)	13.9	12.9	1.0	13.0	1.1 × 0.9	167	0.031875	134.6		vF, pS, R, lbM, * close f	UGC 4127; MCG 1-21-2; CGCG 31-9
NGC 2499	07 58 51.7	+07 29 34	Gx (SB?)	14.8	14.0	0.8	12.9	0.8 × 0.5	18	0.032619	137.7		eF, pS, iR	MCG 1-21-3; CGCG 31-11
NGC 2504	07 59 52.2	+05 36 28	Gx (P)	14.3	13.3	1.0	11.4	0.5 × 0.4	96	0.008733	36.89		vF, S, R	UGC 4152; MCG 1-21-4; CGCG 31-15; IRAS 07572+0544
NGC 2508	08 01 57.1	+08 33 07	Gx (E2)	13.7	12.7	1.0	13.2	1.4 × 1.1	130	0.014600	61.67		F, vS, vlE, 2 st p	UGC 4174; MCG 2-21-4; CGCG 59-18
NGC 2510	08 02 10.5	+09 29 10	Gx (S0)	14.4	13.4	1.0	12.9	1 × 0.7	111	0.013419	56.68		γ in Lord Rosse's diagram	UGC 4178; MCG 2-21-7; CGCG 59-23
NGC 2511	08 02 15.0	+09 23 43	Gx (S)	15.0	14.2	0.8	12.9	0.9 × 0.3	120	0.014900	62.94		eF, III 512 nf, (= β)	MCG 2-21-8; MK 1207; CGCG 59-24
NGC 2538	08 11 23.0	+03 37 59	Gx (SBa)	13.5	12.6	0.9	13.0	1.5 × 1.2	25	0.013339	56.34		vF, vS, R, mbM	UGC 4266; MCG 1-21-19; CGCG 31-67; IRAS 08087+0347
IC 494	08 06 24.3	+01 02 12	Gx (S0)	14.1	13.1	1.0	12.7	1.3 × 0.6	50	0.015367	64.91		vF, pS, bM	UGC 4224; MCG 0-21-4; CGCG 3-10
IC 498	08 09 30.3	+05 16 50	Gx (S)	14.6	13.8	0.8	13.3	0.9 × 0.8	54	0.033833	142.9		F, pS, R	UGC 4255; MCG 1-21-15; CGCG 31-59; VV 526
IC 2231	08 11 01.4	+05 05 15	Gx (E0)	15.0	14.0	1.0	14.1	1 × 1		0.030398	128.4		F, vS, R, dif, * 14 att	UGC 4265; MCG 1-21-18; CGCG 31-66

Legend

Key to columns ^[277]
Name	NGC/IC Designation
RA	Right Ascension (J2000.0)
Dec	Declination (J2000.0)
Type	Object type
bMag	Photographic (blue) magnitude
vMag	Visual magnitude
B-V	Difference of visual and blue magnitude
SB	Surface brightness (mag/arcmin²)
Dim	Dimensions (arcmin)
PA	Position Angle (°)
z	Redshift (from NED or LEDA)
D(z)	Distance derived from z in Mpc, using D(z) = cz/H0, with Hubble Parameter H0 = 71 (km/s)/Mpc
MD	Metric distance: for galaxies with S = 1, 6, 7 or 8 in Mpc (from NED); for other types with S = 2, 3, 4, or 5 in kpc
Dreyer Description	See below
Identification, Remarks

Dreyer Description

Descriptions according to J.L.E. Dreyer ^{[313, 314, 315]}
ab	about
alm	almost
am	among
annul	annular or ring nebula
att	attached
b	brighter
bet	between
biN	binuclear
bn	brightest to n side
bs	brightest to s side
bp	brightest to p side
bf	brightest to f side
B	bright
c	considerably
chev	chevelure
co	coarse, coarsely
com	cometic (cometary form)
comp	companion
conn	connected
cont	in contact
C	compressed
Cl	cluster
d	diameter
def	defined
dif	diffused
diffic	difficult
dist	distance, or distant
D	double
e	extremely, excessively
ee	most extremely
er	easily resolvable
exc	excentric
E	extended
f	following (eastward)
F	faint
g	gradually
glob.	globular
gr	group
i	irregular
iF	irregular figure
inv	involved, involving
l	little (adv.); long (adj.)
L	large
m	much
m	magnitude
M	middle, or in the middle
n	north
neb	nebula
nebs	nebulous
neby	nebulosity
nf	north following
np	north preceding
ns	north-south
nr	near
N	nucleus, or to a nucleus
p	preceding (westward)
pf	preceding-following
p	pretty (adv., before F. B. L, S)
pg	pretty gradually
pm	pretty much
ps	pretty suddenly
plan	planetary nebula (same as PN)
prob	probably
P	poor (sparse) in stars
PN	planetary nebula
r	resolvable (mottled, not resolved)
rr	partially resolved, some stars seen
rrr	well resolved, clearly consisting of stars
R	round
RR	exactly round
Ri	rich in stars
s	suddenly (abruptly)
s	south
sf	south following
sp	south preceding
sc	scattered
sev	several
st	stars (pl.)
st 9...	stars of 9th magnitude and fainter
st 9..13	stars of mag. 9 to 13
stell	stellar, pointlike
susp	suspected
S	small in angular size
S*	small (faint) star
trap	trapezium
triangle	triangle, forms a triangle with
triN	trinuclear
v	very
vv	_very_
var	variable
*	a single star
*10	a star of 10th magnitude
*7-8	star of mag. 7 or 8
**	double star (same as D*)
***	triple star
!	remarkable
!!	very much so
!!!	a magnificent or otherwise interesting object

Catalogues

Canis Minor / New General & Index Catalogue (NGC/IC)

Open Clusters

Galaxies

Legend

Dreyer Description

References