Catalogues

Ophiuchus / 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 6309 17 14 04.3 -12 54 37 PN 10.8 11.5 0.32 1.994 B, S, bet 2 st v nr PK 9+14.1; CS=14.4, Box nebula
NGC 6369 17 29 20.4 -23 45 33 PN 12.9 11.4 0.63 1.139 !! annular, pB, S, R PK 2+5.1; ESO 520-PN3; AM 1726-234; CS=14.7
NGC 6572 18 12 06.4 +06 51 15 PN 9.0 8.1 0.25 0.767 planetary, vB, vS, R, l hazy PK 34+11.1; CS=13.6
IC 4634 17 01 33.6 -21 49 32 PN 10.7 10.9 0.4 2.301 Planetary, stellar PK 0+12.1; ESO 587-PN1; CS=13.8

Galactic Nebulae

Revised+Historic NGC/IC Version 22/9, © 2022 Dr. Wolfgang Steinicke [277]
Name RA Dec Type Dim MD Dreyer Description Identification, Remarks
IC 4603 16 25 24.0 -24 28 00 RN+* 35 × 20 0.120 eF, vL, dif, st inv LBN 1109; ESO 517-*N2; CED 131A
IC 4604 16 25 33.0 -23 26 36 RN+* 60 × 50 0.120 ρ Ophiuchi in eL neb LBN 1112; ESO 517-*N3; CED 131B; Rho Oph nebula

Open 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 6525 18 02 06.0 +11 01 31 OCL 4 1.436 Cl, P, st L
NGC 6633 18 27 15.1 +06 30 30 OCL (III2m) 4.6 20 0.385 Cl, lC, st L OCL 90
IC 4665 17 46 12.0 +05 43 00 OCL (III2p) 4.2 70 0.352 Cl, co OCL 85

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 6171 16 32 31.9 -13 03 11 GCL (X) 7.8 13 6.400 globular, L, vRi, vmC, R, rrr M 107; GCL 44
NGC 6218 16 47 14.5 -01 56 50 GCL (IX) 6.1 16 4.800 !! globular, vB, vL, iR, gmbM, rrr, st 10… M 12; GCL 46
NGC 6235 16 53 25.4 -22 10 36 GCL (X) 8.9 5 11.500 pB, cL, iR, rrr, st 14…16 GCL 48; ESO 586-SC5
NGC 6254 16 57 08.9 -04 05 56 GCL (VII) 6.6 20 4.400 ! globular, B, vL, R, gvmbM, rrr, st 10…15 M 10; GCL 49
NGC 6266 17 01 12.6 -30 06 42 GCL (IV) 6.4 15 6.800 ! globular, vB, L, gmbM, rrr, st 14…16 M 62; GCL 51; ESO 453-SC14
NGC 6273 17 02 37.7 -26 16 03 GCL (VIII) 6.8 17 8.800 globular, vB, L, R, vCM, rrr, st 16 M 19; GCL 52; ESO 518-SC7
NGC 6284 17 04 28.8 -24 45 51 GCL (IX) 8.9 6.2 15.300 globular, B, L, R, CM, rrr, st 16… GCL 53; ESO 518-SC9
NGC 6287 17 05 09.4 -22 42 27 GCL (VII) 9.3 4.8 9.400 globular, cB, L, R, gpmCM, rrr, st 16 GCL 54; ESO 518-SC10
NGC 6293 17 10 10.4 -26 34 52 GCL (IV) 8.3 8.2 9.500 globular, vB, L, R, psbM, rrr, st 16 GCL 55; ESO 519-SC5
NGC 6304 17 14 32.5 -29 27 42 GCL (VI) 8.3 8 5.900 globular, B, cL, R, lbM, rrr, st 16 GCL 56; ESO 454-SC2
NGC 6316 17 16 37.4 -28 08 22 GCL (III) 8.1 5.4 10.400 globular, cB, pS, R, gvmbM, rrr, st 16 GCL 57; ESO 454-SC4
NGC 6325 17 17 59.2 -23 45 55 GCL (IV) 10.2 4.1 7.800 pF, L, R, rr GCL 58; ESO 519-SC11
NGC 6333 17 19 11.8 -18 30 57 GCL (VIII) 7.8 12 7.900 globular, B, L, R, eCM, rrr, st 14 M 9; GCL 60; ESO 587-SC5
NGC 6342 17 21 10.2 -19 35 12 GCL (IV) 9.5 4.4 8.500 cB, pS, lE, er GCL 61; ESO 587-SC6
NGC 6355 17 23 58.6 -26 21 11 GCL 8.6 4.2 9.200 cF, L, R, gbM, rrr GCL 63; ESO 519-SC15
NGC 6356 17 23 35.0 -17 48 45 GCL (II) 8.2 10 15.100 globular, vB, cL, vgvmbM, rrr, st 20 GCL 62; ESO 588-SC1
NGC 6366 17 27 44.3 -05 04 34 GCL (XI) 9.5 13 3.500 F, L, vlbM (Auw 36) GCL 65
NGC 6401 17 38 36.9 -23 54 30 GCL (VIII) 7.4 4.8 10.600 pB, pL, R, * 12 f inv GCL 73; ESO 520-SC11
NGC 6402 17 37 36.1 -03 14 43 GCL (VIII) 7.6 11 9.300 ! globular, B, vL, R, eRi, vgmbM, rrr, st 15 M 14; GCL 72
NGC 6426 17 44 54.7 +03 10 15 GCL (IX) 10.9 4.2 20.600 vF, cL, E, vlbM GCL 76
NGC 6517 18 01 50.6 -08 57 30 GCL (IV) 10.1 4 10.600 pB, pL, R, rr GCL 81
IC 1257 17 27 08.4 -07 05 37 GCL (V) 13.1 5 25.000 F, pL, lbM OCL 51

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 6220 16 47 13.2 -00 16 30 Gx (Sab) 14.5 13.7 0.8 13.9 1.7 × 0.9 135 0.023026 97.26 eeF, pS, iR, 3 F st s UGC 10541; CGCG 25-4; NPM1G -00.0524
NGC 6234 16 51 57.2 +04 23 03 Gx (E0) 15.4 14.4 1.0 12.5 0.4 × 0.4 0.031772 134.2 F, S, R MCG 1-43-7; CGCG 53-18; ARAK 508; NPM1G +04.0508
NGC 6240 16 52 58.8 +02 24 11 Gx (E?) 13.8 12.9 0.9 13.8 2.1 × 1 20 0.024480 103.4 vF, pL, lE, dif IC 4625; UGC 10592; MCG 0-43-4; IRAS 16504+0228; CGCG 25-11; PRC D-28; VV 617
NGC 6280 1 17 01 57.5 +06 39 59 Gx (S0) 15.6 14.6 1.0 12.4 0.5 × 0.3 144 0.031115 131.4 pB, S, lE MCG 1-43-8; CGCG 53-26; ARAK 512
NGC 6280 2 17 01 58.1 +06 40 03 Gx (C) 16.0 15.0 1.0 11.4 0.2 × 0.2 0.031115 131.4 pB, S, lE MCG 1-43-8; CGCG 53-26; ARAK 512
NGC 6296 17 08 44.6 +03 53 40 Gx (SBbc) 14.2 13.4 0.8 12.7 0.9 × 0.7 130 0.022459 94.87 pB UGC 10719; MCG 1-44-2; CGCG 54-3; IRAS 17062+0357
NGC 6368 17 27 11.4 +11 32 35 Gx (Sb) 13.1 12.3 0.8 13.0 3.5 × 0.6 42 0.009220 38.94 31.810 F, S, E UGC 10856; MCG 2-44-4; CGCG 82-32; IRAS 17248+1135
NGC 6378 17 30 41.8 +06 16 53 Gx (Sbc) 14.3 13.5 0.8 13.5 1.3 × 0.9 5 0.022315 94.26 v difficult UGC 10884; MCG 1-44-9; CGCG 55-1
NGC 6384 17 32 24.2 +07 03 39 Gx (SBbc) 11.1 10.4 0.7 13.8 6.2 × 4.1 30 0.005554 23.46 24.820 pB, S, vlE UGC 10891; MCG 1-45-1; CGCG 55-7; IRAS 17299+0705
NGC 6509 17 59 25.3 +06 17 14 Gx (SBcd) 13.2 12.5 0.7 13.1 1.6 × 1.2 105 0.006046 25.54 28.200 vF, pL, irrR, lbM UGC 11075; MCG 1-46-2; CGCG 56-6; IRAS 17569+0617
NGC 6570 18 11 07.3 +14 05 34 Gx (SBm) 13.3 12.7 0.6 13.3 1.9 × 1.1 30 0.007609 32.14 25.820 pF, pL, R UGC 11137; MCG 2-46-8; CGCG 84-22; VV 537; IRAS 18088+1404
NGC 6615 18 18 33.4 +13 15 55 Gx (SB0-a) 14.0 13.1 0.9 13.1 1.3 × 0.9 165 0.008950 37.80 vF, vS UGC 11196; MCG 2-46-13; CGCG 84-34
IC 1242 17 08 42.9 +04 02 59 Gx (Sb) 14.6 13.8 0.8 13.0 0.9 × 0.6 130 0.022509 95.08 vS, R, vlbM UGC 10718; MCG 1-44-1; CGCG 54-2; IRAS 17062+0406
IC 1255 17 23 05.4 +12 41 46 Gx (Sc) 14.1 13.4 0.7 12.6 1 × 0.5 12 0.030481 128.7 110.50 vF, pS, R, forms trap with 3 st UGC 10826; MCG 2-44-3; CGCG 82-23; IRAS 17207+1244
IC 4627 16 54 08.6 -07 38 09 Gx (P) 15.5 14.7 0.8 13.0 0.8 × 0.3 50 0.034657 146.3 eF, eS, dif, * 12 s 12" IRAS 16514-0733
IC 4676 18 02 53.0 +11 49 23 Gx (S) 15.6 14.8 0.8 12.0 0.3 × 0.3 0.025787 108.9 eF, vS CGCG 84-13
IC 4688 18 08 11.9 +11 42 43 Gx (Scd) 13.8 13.1 0.7 13.5 1.5 × 1.1 164 0.020104 84.92 67.750 vF, pS, dif, * 12 close f UGC 11125; MCG 2-46-6; CGCG 84-18
IC 4691 18 08 45.6 +11 49 44 Gx (S) 15.5 14.7 0.8 13.8 0.8 × 0.6 170 0.020844 88.04 F, S, iF, 1 or 2 F st inv CGCG 84-19

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» von 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. (1888); Memoirs of the Royal Astronomical Society. 49: 1–237; 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. (1910); Memoirs of the Royal Astronomical Society. 59: 105–198; Bibcode:1910MmRAS..59..105D