Catalogues

Volans / 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 MD Dreyer Description Identification, Remarks
NGC 2348 07 03 02.7 -67 23 39 OCL 11 1.070 Cl, P, lC, 30 st ± ESO 88-SC1

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 2305 06 48 37.3 -64 16 22 Gx (E2/P) 12.7 11.7 1.0 12.9 2.1 × 1.5 142 0.011671 49.30 35.250 vF, vS, R, 2 st Δ ESO 87-44; AM 0648-641
NGC 2307 06 48 51.0 -64 20 06 Gx (SBb) 12.9 12.0 0.9 13.0 1.7 × 1.6 145 0.015204 64.22 vF, pS, vlE 90° ESO 87-45; AM 0648-641; IRAS 06485-6416
NGC 2397 07 21 19.5 -69 00 05 Gx (Sb) 12.7 11.8 0.9 12.8 2.5 × 1.2 123 0.004546 19.20 22.660 pB, cL, cE 117°, lbM ESO 58-30; IRAS 07214-6854
NGC 2397 A 07 21 07.9 -69 06 55 Gx (Sc) 14.8 14.1 0.7 13.9 1.1 × 0.9 36 0.014732 62.23 pB, cL, cE 117°, lbM ESO 58-29; AM 0721-685; IRAS 07212-6901
NGC 2397 B 07 21 55.7 -68 50 45 Gx (IBm/P) 15.0 14.4 0.6 13.4 0.9 × 0.5 97 0.004590 19.39 pB, cL, cE 117°, lbM ESO 58-31; AM 0722-684
NGC 2434 07 34 51.5 -69 17 04 Gx (E1) 12.3 11.2 1.1 13.1 2.4 × 2.2 133 0.004637 19.59 21.950 pB, S, R, pmbM, 3 st 11 n ESO 59-5
NGC 2442 07 36 23.8 -69 31 51 Gx (SBbc) 11.2 10.4 0.8 13.9 6 × 5 27 0.004890 20.66 17.100 cL, vF, R, D neb, 40° NGC 2443; ESO 59-8; AM 0736-692; IRAS 07367-6924; SW part
NGC 2466 07 45 15.6 -71 24 39 Gx (Sc) 13.5 13.0 0.5 13.7 1.6 × 1.4 7 0.017722 74.86 vF, S, R, lbM ESO 59-18; IRAS 07456-7117
NGC 2601 08 25 30.4 -68 07 04 Gx (SBa) 13.4 12.5 0.9 13.0 1.6 × 1.1 120 0.011111 46.93 40.000 F, pS, R, gbM ESO 60-5; IRAS 08251-6757
NGC 2788 A 09 02 40.0 -68 13 36 Gx (Sb) 13.9 13.1 0.8 13.1 2.9 × 0.4 55 0.013346 56.37 62.080 vF, vS, mE 105° ESO 60-24; IRAS 09020-6801
NGC 2788 B 09 03 35.0 -67 57 59 Gx (Sb) 14.5 13.7 0.8 13.0 1.5 × 0.4 165 0.004733 19.99 14.070 vF, vS, mE 105° ESO 60-25
IC 2202 07 27 54.9 -67 34 28 Gx (Sbc) 13.7 12.9 0.8 13.1 2 × 0.7 165 0.012011 50.73 47.700 eF, eS, R ESO 88-16; AM 0727-672; IRAS 07278-6728

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