Catalogues

Delphinus / 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 6891 20 15 08.9 +12 42 17 PN 11.7 10.5 0.35 2.455 planetary, stellar = 9.5 m PK 54-12.1; CS=12.4
NGC 6905 20 22 23.0 +20 06 18 PN 11.9 11.1 1.2 2.503 !!, planetary, B, pS, R, 4 S st nr PK 61-9.1; CS=13.5, Blue flash nebula

Globular Clusters

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke [277]
Name RA Dec Type vMag Dim MD Dreyer Description Identification, Remarks
NGC 6934 20 34 11.6 +07 24 17 GCL (VIII) 8.9 7.1 15.600 globular, B, L, R, rrr, st 16…, * 9 p GCL 117
NGC 7006 21 01 29.5 +16 11 17 GCL (I) 10.6 3.6 41.200 B, pL, R, gbM GCL 119

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 6917 20 27 28.4 +08 05 50 Gx (S) 14.3 13.4 0.9 13.6 1.4 × 1 40 0.015651 66.11 vF, S, att to a S * UGC 11563; MCG 1-52-7; CGCG 399-10; IRAS 20249+0755
NGC 6927 20 32 38.1 +09 55 01 Gx (S0) 15.5 14.5 1.0 13.3 0.5 × 0.2 5 0.015214 64.26 eF, lE MCG 2-52-16; CGCG 424-20; NPM1G +09.0505
NGC 6927 A 20 32 36.7 +09 53 00 Gx (E5) 16.5 15.5 1.0 11.8 0.3 × 0.1 15 0.014740 62.26 eF, lE MCG 2-52-15
NGC 6928 20 32 50.1 +09 55 39 Gx (SBab) 13.2 12.2 1.0 12.4 2.1 × 0.6 106 0.015701 66.32 58.340 pB, pL, mE IC 1325; UGC 11589; MCG 2-52-17; CGCG 424-21; IRAS 20304+0945
NGC 6930 20 32 58.8 +09 52 26 Gx (SBab) 13.6 12.8 0.8 12.1 1.2 × 0.5 8 0.015657 66.13 F, mE IC 1326; UGC 11590; MCG 2-52-18; CGCG 424-22; IRAS 20305+0942
NGC 6944 20 38 23.8 +06 59 49 Gx (E-S0) 14.8 13.8 1.0 13.7 1.5 × 0.6 57 0.014734 62.24 pF, S, R MCG 1-52-17; CGCG 399-25; NPM1G +06.0514
NGC 6944 A 20 38 11.2 +06 54 09 Gx (SBd/P) 14.9 14.3 0.6 13.6 0.9 × 0.7 72 0.014003 59.15 pF, S, R MCG 1-52-16; CGCG 399-24
NGC 6954 20 44 03.3 +03 12 34 Gx (S0-a) 14.1 13.2 0.9 12.6 1 × 0.6 68 0.013566 57.30 F, S, vlE UGC 11618; MCG 0-53-1; CGCG 374-4; KARA 886
NGC 6955 20 44 17.9 +02 35 43 Gx (Sbc) 14.4 13.6 0.8 14.1 1.4 × 1.3 30 0.027279 115.2 eF, pL, R UGC 11621; CGCG 374-5; NPM1G +02.0476
NGC 6956 20 43 53.7 +12 30 44 Gx (SBb) 13.1 12.3 0.8 13.6 1.9 × 1.9 0.015511 65.52 vF, S, stellar, ** att UGC 11619; MCG 2-53-1; CGCG 425-1; IRAS 20415+1219
NGC 6957 20 44 47.7 +02 34 50 Gx (Sc) 15.1 14.4 0.7 12.5 0.5 × 0.4 171 0.027142 114.6 vF, S, R CGCG 374-7
NGC 6969 20 48 27.6 +07 44 25 Gx (Sa) 15.0 14.1 0.9 12.7 1.1 × 0.3 15 0.015544 65.66 66.650 F, pL, E UGC 11633; MCG 1-53-1; CGCG 400-2; KARA 889
NGC 6971 20 49 23.7 +05 59 43 Gx (Sb) 14.5 13.7 0.8 13.5 1.1 × 0.9 60 0.018296 77.28 vF, S, R UGC 11637; MCG 1-53-2; CGCG 400-3
NGC 6972 20 49 58.9 +09 53 59 Gx (S0-a) 14.2 13.3 0.9 12.7 1.1 × 0.5 143 0.015104 63.80 F, S, R UGC 11640; MCG 2-53-4; CGCG 425-11; NPM1G +09.0513
NGC 6988 20 55 48.9 +10 30 30 Gx (S) 15.2 14.6 0.6 13.0 0.5 × 0.5 0.015134 63.92 eF, pL, R CGCG 425-20; NPM1G +10.0499
NGC 7003 21 00 42.3 +17 48 17 Gx (Sbc) 13.8 13.0 0.8 12.7 1.1 × 0.8 120 0.017692 74.73 66.950 vF, vS, lE, * 15 close f UGC 11662; MCG 3-53-8; CGCG 448-27; IRAS 20584+1736
NGC 7025 21 07 47.4 +16 20 09 Gx (Sa) 13.7 12.8 0.9 13.6 1.9 × 1.2 33 0.016571 69.99 vF, vS, R, stell UGC 11681; MCG 3-54-1; CGCG 449-3; KARA 897; IRAS 21054+1607
IC 1320 20 26 25.7 +02 54 34 Gx (Sb) 14.4 13.6 0.8 12.9 1 × 0.6 87 0.016548 69.90 pF, S, R, gbM, r UGC 11560; MCG 0-52-9; CGCG 373-8; IRAS 20239+0244
IC 1359 21 08 43.0 +12 29 02 Gx (S?) 14.8 13.9 0.9 12.9 1.2 × 0.4 175 0.015771 66.62 eeF, eS, stellar, eF * att UGC 11684; MCG 2-54-1; CGCG 426-4; 2ZW 103
IC 5080 21 02 33.0 +19 12 51 Gx (E2) 15.4 14.4 1.0 12.7 0.5 × 0.4 45 0.039127 165.2 F, vS, R, stell N CGCG 448-31; NPM1G +19.0518
IC 5081 21 03 01.2 +19 11 21 Gx (S) 15.5 14.7 0.8 11.5 0.3 × 0.2 80 0.046391 196.0 vF, vS, R, stell N CGCG 448-32

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