Kataloge

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

Offene Sternhaufen

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

Galaxien

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke [277]
Name RA Dec Typ bMag vMag B-V SB Dim PA z D(z) MD Dreyer Beschreibung Identifikation, Anmerkungen
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

Quellenangaben

  • [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