Catalogues

Monoceros / New General & Index Catalogue (NGC/IC)

Planetary Nebulae

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke [277]
Name RA Dec Type bMag vMag Dim MD Dreyer Description Identification, Remarks
NGC 2346 07 09 22.5 -00 48 22 PN 11.8 11.6 0.87 1.457 * 10 nff with S, vF, neb PK 215+3.1; CS=11.2

Galactic Nebulae

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke [277]
Name RA Dec Type bMag vMag Dim MD Dreyer Description Identification, Remarks
NGC 2149 06 03 30.7 -09 43 50 RN 3 × 2 0.400 F, * 12 inv vdB 66
NGC 2170 06 07 31.3 -06 23 53 RN 2 × 2 0.740 * 9 in vF, pL neb, E 170° LBN 994
NGC 2182 06 09 30.9 -06 19 35 RN 2 × 2 0.740 pB **, L * neb, E 90° ± LBN 998
NGC 2183 06 10 46.9 -06 12 43 RN 1 × 1 0.740 eF, S, lE, * 11·12 sp LBN 996
NGC 2185 06 11 00.4 -06 13 36 RN 1 × 1 0.740 * 11 and 4 S st in vF, L neb LBN 997; part of N 2185
NGC 2237 06 30 54.6 +05 02 52 EN 80 × 50 1.600 pB, vvL, dif (? = 5361) w part of Rosette nebula
NGC 2238 06 30 40.3 +05 00 47 EN 6.0 80 × 60 1.600 S * in nebulosity LBN 948; knot in Rosette nebula
NGC 2245 06 32 41.2 +10 09 24 RN 5 × 4 0.770 pL, com, mbN sf alm *, * 7·8 nf LBN 904
NGC 2246 06 32 33.7 +05 07 42 EN 1.600 eeF, L, irrR, e diffic LBN 948; part of Rosette nebula
NGC 2247 06 33 05.1 +10 19 18 RN 6 × 6 0.770 Neb * in eF, eL neby, nf IV 3 LBN 901
NGC 2261 06 39 09.5 +08 44 40 EN+RN 9.0 3 × 1 0.800 B, vmE 330°, N com = * 11 LBN 920; Hubble's variable nebula
NGC 2282 06 46 51.2 +01 18 54 RN 3 × 3 1.650 * 10 in F, R neby IC 2172; CED 87; assoc. w OCL 535
NGC 2313 06 58 02.8 -07 56 42 EN 1.150 F, vS, R LDN 1653
NGC 2316 06 59 40.8 -07 46 38 RN+EN 4 × 3 pF, S, R, r, S st inv NGC 2317; LBN 1021; part of one neb
IC 446 06 31 06.0 +10 27 35 RN+* 5 × 4 0.760 Neb * 10m IC 2167; LBN 898; CED 77
IC 447 06 31 04.0 +09 52 00 RN 25 × 20 0.750 vF, eeL, dif IC 2169; LBN 903
IC 448 06 32 45.0 +07 23 18 RN 15 × 10 Neby, np * 5 mag LBN 930; DG 107
IC 466 07 08 38.9 -04 19 02 EN 1 × 1 3.000 * 11.5 in vF neb CED 92; Sh2-288
IC 2177 07 04 25.3 -10 27 13 EN 20 × 20 1.120 pB, eL, iR, v dif LBN 1027; vdB 93; Sh2-292; Be star

Open Clusters

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke [277]
Name RA Dec Type bMag vMag Dim MD Dreyer Description Identification, Remarks
NGC 2215 06 20 49.2 -07 17 02 OCL (II2p) 8.4 8 1.293 Cl, cL, pRi, pC, st 11…15 OCL 550
NGC 2219 06 23 44.3 -04 40 36 OCL 10 Cl, P, vlC, st 6, 11…12
NGC 2225 06 26 37.5 -09 38 32 OCL 40 3.200 Cl, P, lCM, st 12…15 NGC 2226
NGC 2232 06 27 15.0 -04 45 30 OCL (IV3p) 4.2 45 0.325 B * (10 Monoc) + CL OCL 545
NGC 2236 06 29 39.6 +06 49 51 OCL (III2p) 8.5 8 2.930 Cl, pRi, pC, st 10, 12…15 OCL 501
NGC 2244 06 32 19.0 +04 51 24 OCL (II3p) 5.3 4.8 24 1.445 Cl, beautiful, st sc (12 Monoc) NGC 2239; OCL 515; in Rosette nebula
NGC 2250 06 33 49.8 -05 05 04 OCL (IV2p) 8.9 10 1.795 Cl, pRi, lC, iF, st 8, 12…14 OCL 547; *Grp ?
NGC 2251 06 34 38.4 +08 21 59 OCL (III2p) 7.3 10 1.329 Cl, vL, E, Ri, lC OCL 499
NGC 2252 06 34 19.8 +05 19 22 OCL (IV2p) 7.7 18 0.900 Cl, vL, pRi, lC, st S OCL 514
NGC 2254 06 35 46.6 +07 40 15 OCL (I2p) 9.1 6 2.364 Cl, S, pC, iF, st 11…13 OCL 500
NGC 2259 06 38 33.3 +10 52 57 OCL (II2p) 10.8 3.5 3.311 Cl, cRi, eC, iF, st eS OCL 492
NGC 2260 06 38 03.0 -01 28 20 OCL 20 1.985 Cl, vL, P, vlC, st L & S
NGC 2262 06 39 38.7 +01 08 30 OCL (I2p) 11.3 4 3.600 Cl, vC, iR, bM, st eS OCL 531
NGC 2264 06 40 58.2 +09 53 44 OCL (IV3pn) 4.1 40 0.660 15 Monoc, Cl, **, ? Neb OCL 495; LBN 911; Christmas Tree cluster
NGC 2269 06 43 17.0 +04 37 28 OCL (II2p) 10.0 3 1.687 Cl, vmC, not Ri, st vS OCL 524
NGC 2270 06 43 57.7 +03 28 45 OCL 1.400 Cl, lC, not Ri
NGC 2286 06 47 40.1 -03 08 52 OCL (IV3m) 7.5 15 2.897 Cl, L, C, ab 100 st 9…15 OCL 548
NGC 2301 06 51 45.2 +00 27 33 OCL (I3m) 6.0 15 0.858 Cl, Ri, L, iF, st L & S OCL 540
NGC 2302 06 51 56.6 -07 05 04 OCL (II2p) 9.1 8.9 2.5 1.182 Cl, L, P, lC NGC 2299; OCL 554
NGC 2306 06 54 29.5 -07 11 55 OCL 1.200 Cl, P, vlC * cloud?
NGC 2309 06 56 03.6 -07 10 28 OCL (II2m) 10.5 5 2.511 Cl, pL, pRi, mC, st 13 OCL 557
NGC 2311 06 57 47.5 -04 36 41 OCL (III2p) 9.6 7 2.000 Cl, lC, not Ri OCL 553
NGC 2323 07 02 47.8 -08 22 33 OCL (II3m) 5.9 15 0.881 ! Cl, vL, Ri, pC, E, st 12…16 M 50; OCL 559
NGC 2324 07 04 07.9 +01 02 41 OCL (II2r) 8.4 8 3.800 Cl, L, Ri, cC, st 12…16 OCL 542
NGC 2335 07 06 49.4 -10 01 43 OCL (III3m) 7.2 7 1.417 Cl, L, lC OCL 562
NGC 2338 07 07 43.0 -05 43 00 OCL 1.800 Cl, vlC *Grp ?
NGC 2343 07 08 06.7 -10 37 00 OCL (III3p) 6.7 6 1.056 Cl, cL, P, lC OCL 565
NGC 2349 07 10 48.1 -08 35 34 OCL 1.628 Cl, cL, P, cC
NGC 2353 07 14 30.3 -10 15 57 OCL (II2p) 7.1 18 1.119 Cl, L, lC, one vB * OCL 567
NGC 2364 07 20 46.4 -07 32 58 OCL 1.919 Cl, pC, st pL, bifid
NGC 2368 07 21 02.2 -10 22 28 OCL (IV2p) 11.8 3 1.771 Cl, S, pRi, st 15 OCL 571
NGC 2506 08 00 01.7 -10 46 11 OCL (I2r) 7.6 12 3.460 Cl, pL, vRi, C, st 11…20 OCL 593

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 2377 07 24 56.7 -09 39 38 Gx (Sc) 13.5 12.7 0.8 13.4 1.7 × 1.3 170 0.008189 34.59 31.800 eF, vS * inv, * 11 s UGCA 132; 3C 178; IRAS 07225-0933; CGMW 1-839
NGC 2494 07 59 07.2 -00 38 15 Gx (SB0-a) 14.0 13.1 0.9 12.4 0.9 × 0.7 95 0.012082 51.03 F, S, lE IC 487; UGC 4141; MCG 0-21-1; CGCG 3-2; IRAS 07565-0030

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

References

  • [277] Historische Deep-Sky Kataloge; Dr. Wolfgang Steinicke; klima-luft.de/steinicke; 2021-02-17
  • [313] 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; Dreyer, J. L. E.; Memoirs of the Royal Astronomical Society. 49: 1–237 (1888); Bibcode:1888MmRAS..49....1D
  • [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; 1895; Bibcode:1895MmRAS..51..185D
  • [315] 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; Dreyer, J. L. E.; Memoirs of the Royal Astronomical Society. 59: 105–198 (1910); Bibcode:1910MmRAS..59..105D