Celestial Atlas
(IC 900 - 949) ←     IC Objects: IC 950 - 999 Link for sharing this page on Facebook     → (IC 1000 - 1049)
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Page last updated Feb 7, 2016
WORKING: Check positions, historical IDs (Corwin+), add basic pix, captions, tags

IC 950 (= PGC 49280)
Discovered (May 24, 1892) by
Stephane Javelle (262)
A magnitude 14.3 spiral galaxy (type Sab? pec) in Bo÷tes (RA 13 52 26.6, Dec +14 29 30)
PGC 49280 has a recessional velocity of 12180 km/sec. Its obvious interaction with PGC 3442468 implies that the galaxies are at about the same distance. Given that galaxy's recessional velocity of 12415 km/sec, a straightforward calculation based on their average recessional velocity indicates a distance for the pair of about 575 million light years. However, for objects at such distances we should take into account the Universal expansion during the time it took their light to reach us. Doing that shows that the pair was about 545 million light years away at the time the light by which we see them was emitted, about 555 million years ago (the difference between the two numbers being due to the expansion of the intervening space during the light-travel time). Given that and its apparent size of 0.6 by 0.6 arcmin, IC 950 is about 95 thousand light years across. This does not take into account the pair's extensive region of interaction, which spans about 1.1 arcmin, or 175 thousand light years.
SDSS image of spiral galaxy IC 950 and its interacting companion, lenticular galaxy PGC 3442468
Above, a 2.4 arcmin wide closeup of IC 950, also showing PGC 3442468
Below, a 12 arcmin wide region centered on the pair
SDSS image of region near spiral galaxy IC 950 and its interacting companion, lenticular galaxy PGC 3442468

PGC 3442468
Not an IC object, but often listed as part of
IC 950 due to their physical interaction
A magnitude 15.7 lenticular galaxy (type S0/a? pec) in Bo÷tes (RA 13 52 25.6, Dec +14 29 22)
As noted in the entry for IC 950 (which see for images and further discussion), PGC 3442468's recessional velocity of 12415 km/sec, when combined with the recessional velocity for the larger galaxy, yields an approximate distance of 545 million light years. Given that and its apparent size of 0.3 by 0.2 arcmin, PGC 3442468 is about 50 thousand light years across.

IC 951 (= PGC 49215)
Discovered (May 6, 1888) by
Lewis Swift (VII-40)
A magnitude 13.6 spiral galaxy (type SBcd??) in Ursa Major (RA 13 51 47.2, Dec +50 58 40)
Apparent size 1.2 by 1.2 arcmin?

IC 952 (= PGC 49373)
Discovered (Jun 3, 1891) by
Stephane Javelle (263)
A magnitude 14.0 spiral galaxy (type SBbc??) in Virgo (RA 13 53 41.9, Dec +03 22 39)
Apparent size 1.3 by 0.4 arcmin?

IC 953
Recorded (Apr 24, 1889) by
N. M. Parrish
A lost or nonexistent object in Centaurus (position to be determined)
Per Corwin, this is one of several objects (including IC 955 and 957) that are probably irretrievably lost. The next iteration of this page will include a position based on the IC coordinates. (Steinicke lists this as a star at RA 13 54 57.0, Dec -30 17 00, but there is nothing there.)

IC 954 (= PGC 49083)
Discovered (Jun 7, 1888) by
Lewis Swift (VII-39)
A magnitude 13.7 spiral galaxy (type Sab? pec) in Ursa Minor (RA 13 49 56.3, Dec +71 09 53)
Apparent size 1.1 by 0.6 arcmin?

IC 955
Recorded (Mar 3, 1889) by
N. M. Parrish
A lost or nonexistent object in Centaurus (RA 13 55 43.6, Dec -30 15 43)
(Need to check position listed above; presumably but not necessarily near the IC position)
Per Corwin, this is one of several objects (including IC 953 and 957) that are probably irretrievably lost.

IC 956 (= PGC 49444 + PGC 3441829)
Discovered (Jun 16, 1892) by
Stephane Javelle (264)
A pair of galaxies in Bo÷tes
PGC 49444 = A magnitude 14.9 spiral galaxy (type (R)SAB0/(rs)a?) at RA 13 54 40.2, Dec +20 43 11
PGC 3441829 = A magnitude 14.6 lenticular galaxy (type SB0?) at RA 13 54 40.5, Dec +20 42 59
Apparent size of PGC 49444 is about 0.3 by 0.3 arcmin? of PGC 3441829 about 0.4 by 0.3 arcmin?
SDSS image of spiral galaxy PGC 49444 and lenticular galaxy PGC 3441829, which comprise IC 956
Above, a 2.4 arcmin wide closeup of IC 956
Below, a 12 arcmin wide region centred on the pair
SDSS image of region near spiral galaxy PGC 49444 and lenticular galaxy PGC 3441829, which comprise IC 956

IC 957
Recorded (Mar 3, 1889) by
N. M. Parrish
A lost or nonexistent object in Centaurus (RA 13 56 07.8, Dec -30 14 17)
(Need to check position listed above; presumably but not necessarily near the IC position)
Per Corwin, this is one of several objects (including IC 953 and 955) that are probably irretrievably lost.

IC 958 (=
NGC 5360 = PGC 49513)
Discovered (May 8, 1864) by Albert Marth (and later listed as NGC 5360)
Discovered (Apr 19, 1890) by Lewis Swift (IX-39) (and later listed as IC 958)
A magnitude 13.3 lenticular galaxy (type SB0/a??) in Virgo (RA 13 55 38.4, Dec +04 59 00)
Apparent size 1.6 by 0.7 arcmin?

IC 959 (= PGC 49540)
Discovered (Apr 20, 1889) by
Lewis Swift (VIII-79)
A magnitude 12.9 spiral galaxy (type Sa??) in Bo÷tes (RA 13 56 03.3, Dec +13 30 23)
Apparent size 1.7 by 1.0 arcmin?

IC 960 (= PGC 49535 + PGC 49536)
Discovered (Jun 17, 1892) by
Stephane Javelle (265)
A pair of galaxies in Bo÷tes
PGC 49535 = A magnitude 13.8 spiral galaxy (type Sab?? pec) at RA 13 55 59.0, Dec +17 29 58
PGC 49536 = A magnitude 14.9 lenticular galaxy (type S0/a??) at RA 13 56 00.1, Dec +17 30 42
Apparent size of PGC 49535 is about 1.4 by 0.7 arcmin(?); of PGC 49536 is about 0.9 by 0.2 arcmin(?)

IC 961 (= PGC 49522)
Discovered (Jun 16, 1892) by
Stephane Javelle (266)
A magnitude 14.6 spiral galaxy (type Sb??) in Bo÷tes (RA 13 55 46.6, Dec +25 50 24)
Apparent size 0.7 by 0.7 arcmin?

IC 962 (= PGC 49626)
Discovered (Apr 7, 1889) by
Lewis Swift (VIII-80)
A magnitude 13.3 spiral galaxy (type S??) in Bo÷tes (RA 13 57 13.2, Dec +12 01 17)
Apparent size 0.8 by 0.8 arcmin?

IC 963 (= PGC 49647)
Discovered (Jun 23, 1892) by
Stephane Javelle (267)
A magnitude 14.4 spiral galaxy (type S??) in Bo÷tes (RA 13 57 25.0, Dec +17 24 30)
Apparent size 0.7 by 0.5 arcmin? (Steinicke says "double system")

IC 964 (= PGC 49661)
Discovered (Jun 23, 1892) by
Stephane Javelle (268)
A magnitude 14.7 elliptical galaxy (type E0??) in Bo÷tes (RA 13 57 41.2, Dec +17 30 33)
Apparent size 0.3 by 0.3 arcmin?

IC 965 (= PGC 49667)
Discovered (Jun 23, 1892) by
Stephane Javelle (269)
A magnitude 14.2 spiral galaxy (type S??) in Bo÷tes (RA 13 57 47.4, Dec +17 30 40)
Apparent size 0.9 by 0.7 arcmin?

IC 966 (= PGC 49704)
Discovered (Jun 5, 1893) by
Stephane Javelle (775)
A magnitude 13.1 lenticular galaxy (type S0??) in Virgo (RA 13 58 14.0, Dec +05 24 27)
Apparent size 0.8 by 0.7 arcmin?

IC 967 (= PGC 49721)
Discovered (May 24, 1892) by
Stephane Javelle (270)
A magnitude 14.0 spiral galaxy (type S??) in Bo÷tes (RA 13 58 22.9, Dec +14 27 27)
Apparent size 0.8 by 0.4 arcmin?

IC 968 (= PGC 49866 + PGC 1080186)
Discovered (May 6, 1888) by
Guillaume Bigourdan (181)
A pair of galaxies in Virgo
PGC 49866 = A magnitude 13.6 lenticular galaxy (type S0??) at RA 14 00 36.5, Dec -02 54 31
PGC 1080186 = A magnitude 15.2 spiral galaxy (type S??) at RA 14 00 37.9, Dec -02 54 21
Apparent size of PGC 49866 about 0.8 by 0.5 arcmin(?); of PGC 1080186, about 0.5 by 0.3 arcmin?

IC 969 (= PGC 1061769)
Discovered (Jun 10, 1893) by
Stephane Javelle (776)
A magnitude 15.0 spiral galaxy (type S??) in Virgo (RA 14 01 46.1, Dec -04 10 47)
Apparent size 0.3 by 0.2 arcmin?

IC 970 (= PGC 50010)
Discovered (May 24, 1892) by
Stephane Javelle (271)
A magnitude 13.9 lenticular galaxy (type SB0/a??) in Bo÷tes (RA 14 02 34.1, Dec +14 33 09)
Apparent size 1.0 by 0.3 arcmin?

IC 971 (= PGC 50120)
Discovered (May 20, 1868) by
Truman Safford (105)
A magnitude 12.8 spiral galaxy (type S??) in Virgo (RA 14 03 52.7, Dec -10 08 23)
The second IC adds "Description is: Fine spiral, pretty large, much brighter middle (per Wolf, A.N. 4013.)" Apparent size 2.3 by 1.3 arcmin?

IC 972 (Abell 37)
Discovered (May 25, 1892) by
Stephane Javelle (272)
A magnitude 13.9 planetary nebula in Virgo (RA 14 04 26.0, Dec -17 13 39)
Apparent size 0.9 arcmin?

IC 973 (=
NGC 5467)
Recorded (April, 1882) by Wilhelm Tempel (and later listed as NGC 5467)
Recorded (May 21, 1890) by Guillaume Bigourdan (182) (and later listed as IC 973)
A magnitude 15? star in Virgo (RA 14 06 29.4, Dec -05 28 54)

IC 974
Recorded (May 21, 1890) by
Guillaume Bigourdan (183)
A star in Virgo (RA 14 06 34.3, Dec -05 29 34)

IC 975 (= PGC 50362)
Discovered (Jul 22, 1892) by
Stephane Javelle (273)
A magnitude 14.3 elliptical galaxy (type E??) in Bo÷tes (RA 14 07 08.8, Dec +15 19 07)
Apparent size 0.5 by 0.3 arcmin?

IC 976 (= PGC 50479)
Discovered (Apr 12, 1888) by
Lewis Swift (VII-41)
A magnitude 13.0 lenticular galaxy (type S0/a??) in Virgo (RA 14 08 43.3, Dec -01 09 44)
Apparent size 1.5 by 0.7 arcmin?

IC 977 (= PGC 50477)
Discovered (Jul 8, 1893) by
Stephane Javelle (777)
A magnitude 14.5 spiral galaxy (type Sab??) in Virgo (RA 14 08 42.1, Dec -03 00 09)
Apparent size 0.7 by 0.6 arcmin?

IC 978 (= PGC 50493)
Discovered (Jul 8, 1893) by
Stephane Javelle (778)
A magnitude 14.6 spiral galaxy (type Sbc??) in Virgo (RA 14 08 58.0, Dec -02 58 25)
Apparent size 0.7 by 0.3 arcmin?

IC 979 (= PGC 50530)
Discovered (May 3, 1891) by
Lewis Swift (X-25)
A magnitude 13.6 spiral galaxy (type SBab??) Bo÷tes (RA 14 09 32.3, Dec +14 49 54)
Apparent size 1.0 by 0.7 arcmin?

IC 980 (= PGC 1020574)
Discovered (Jun 16, 1893) by
Stephane Javelle (779)
A magnitude 14.5 elliptical galaxy (type E0??) in Virgo (RA 14 10 22.3, Dec -07 20 31)
Apparent size 0.5 by 0.5 arcmin?

IC 981 (= PGC 1061875)
Discovered (Jul 12, 1893) by
Stephane Javelle (780)
A magnitude 13.9 spiral galaxy (type S??) in Virgo (RA 14 10 28.0, Dec -04 10 19)
Apparent size 0.7 by 0.3 arcmin?

IC 982 (= PGC 50560, and with
IC 983 = Arp 117)
Discovered (May 27, 1891) by Stephane Javelle (274)
A magnitude 13.0 lenticular galaxy (type (R)SA0/a?) in Bo÷tes (RA 14 09 59.0, Dec +17 41 48)
Apparent size 1.0 by 1.0 arcmin? Used by the Arp Atlas as an example of an elliptical galaxy close to and perturbing a spiral galaxy (IC 983).
SDSS image of lenticular galaxy IC 982, part of Arp 117
Above, a 2.4 arcmin wide closeup of IC 982; see IC 983 for a wide-field view

IC 983 (= PGC 50577, and with
IC 982 = Arp 117)
Discovered (May 27, 1891) by Stephane Javelle (275)
A magnitude 11.7 spiral galaxy (type SB(r)bc) in Bo÷tes (RA 14 10 04.3, Dec +17 44 04)
Apparent size 3.9 by 2.6 arcmin? Used by the Arp Atlas as an example of an elliptical galaxy (IC 982) close to and perturbing a spiral galaxy.
SDSS image of spiral galaxy IC 983 and lenticular galaxy IC 982, which comprise Arp 117
Above, a 4.8 arcmin wide closeup of IC 982 and 983
Below, a 12 arcmin wide region centered on the pair
SDSS image of region near spiral galaxy IC 983 and lenticular galaxy IC 982, which comprise Arp 117

IC 984 (= PGC 50580)
Discovered (May 27, 1891) by
Stephane Javelle (276)
A magnitude 13.5 spiral galaxy (type Sb??) in Bo÷tes (RA 14 10 07.6, Dec +18 21 51)
Apparent size 1.9 by 0.5 arcmin?

IC 985 (= PGC 50671)
Discovered (Feb 19, 1887) by
Francis Leavenworth (635)
A magnitude 13.9 spiral galaxy (type Sb??) in Virgo (RA 14 11 33.0, Dec -03 13 11)
Apparent size 0.5 by 0.3 arcmin?

IC 986 (= PGC 50662)
Discovered (Jun 8, 1893) by
Stephane Javelle (781)
A magnitude 14.0 elliptical galaxy (type E0??) in Virgo (RA 14 11 26.2, Dec +01 17 13)
Apparent size 0.6 by 0.6 arcmin?

IC 987 (= PGC 50663)
Discovered (Jul 27, 1892) by
Stephane Javelle (277)
A magnitude 14.4 spiral galaxy (type S??) in Bo÷tes (RA 14 11 31.9, Dec +19 10 19)
Apparent size 1.3 by 0.6 arcmin?

IC 988 (= PGC 50873)
Discovered (May 28, 1891) by
Stephane Javelle (278)
A magnitude 14.1 lenticular galaxy (type E/S0??) in Virgo (RA 14 14 32.0, Dec +03 11 27)
Apparent size 0.5 by 0.4 arcmin?

IC 989 (= PGC 50891)
Discovered (May 28, 1891) by
Stephane Javelle (279)
A magnitude 13.1 elliptical galaxy (type E2??) in Virgo (RA 14 14 51.2, Dec +03 07 52)
Apparent size 1.3 by 1.1 arcmin?

IC 990 (= PGC 50958)
Probably discovered (Apr 27, 1878) by
John Dreyer
Discovered (May 31, 1886) by Guillaume Bigourdan (184)
A magnitude 14.7 lenticular galaxy (type S0?) in Bo÷tes (RA 14 15 49.1, Dec +39 47 54)
Historical Identification:
Discovery Notes: See here for a discussion of Dreyer's probable observation of IC 990.
Physical Information: Based on a recessional velocity of 7680 km/sec, a straightforward calculation indicates that IC 990 is about 355 to 360 million light years away. However, for objects at such distances we should take into account the expansion of the Universe during the time it took their light to reach us. Doing that shows that the galaxy was about 345 to 350 million light years away at the time the light by which we see it was emitted, about 350 to 355 million years ago (the difference between the two numbers being due to the expansion of the intervening space during the light-travel time). Given that and its apparent size of about 0.6 by 0.4 arcmin, the galaxy is about 60 thousand light years across.
SDSS image of region near lenticular galaxy IC 990
Above, a 12 arcmin wide SDSS image centered on IC 990
Below, a 0.9 arcmin wide SDSS image of the galaxy
SDSS image of lenticular galaxy IC 990

IC 991 (= PGC 51059)
Discovered (Jul 23, 1892) by
Stephane Javelle (280)
A magnitude 13.1 spiral galaxy (type Sc??) in Virgo (RA 14 17 48.6, Dec -13 52 23)
Apparent size 1.5 by 0.9 arcmin?

IC 992 (= PGC 51090)
Discovered (Jun 8, 1893) by
Stephane Javelle (782)
A magnitude 13.9 spiral galaxy (type Sc??) in Virgo (RA 14 18 14.8, Dec +00 53 26)
Apparent size 1.3 by 0.8 arcmin?

IC 993 (= PGC 51093)
Discovered (May 27, 1891) by
Stephane Javelle (281)
A magnitude 14.9 spiral galaxy (type S??) in Bo÷tes (RA 14 18 18.6, Dec +11 12 59)
Apparent size 0.3 by 0.2 arcmin?

IC 994 (= PGC 51095)
Discovered (May 27, 1891) by
Stephane Javelle (282)
A magnitude 13.4 spiral galaxy (type Sa??) in Bo÷tes (RA 18 22.5, Dec +11 11 43)
Apparent size 1.3 by 0.5 arcmin?

IC 995 (= PGC 50990)
Discovered (Jul 2, 1888) by
Lewis Swift (VII-42)
A magnitude 14.0 spiral galaxy (type SBd??) in Ursa Major (RA 14 16 31.2, Dec +57 48 36)
Apparent size 1.6 by 0.4 arcmin?

IC 996 (= PGC 51036)
Discovered (Jul 3, 1888) by
Lewis Swift (VII-43)
A magnitude 14.0 spiral galaxy (type Sbc??) in Ursa Major (RA 14 17 21.8, Dec +57 37 48)
Apparent size 1.4 by 0.2 arcmin?

IC 997 (= PGC 51220 + PGC 1057935)
Discovered (May 16, 1892) by
Lewis Swift
A pair of interacting galaxies in Virgo
PGC 51220 = A magnitude 13 spiral galaxy (type Sc? pec) at RA 14 19 59.2, Dec -04 27 08
PGC 1057935 = A magnitude 15 spiral galaxy (type S? pec) at RA 14 20 00.0, Dec -04 27 10
Per Dreyer, IC 997 (= Swift list X (#4), 1860 RA 14 12 38, NPD 93 50.0) is "pretty faint, small, round, star to north". The position precesses to RA 14 19 55.9, Dec -04 28 45, only a couple of arcmin south southwest of the galaxy listed above, and there is a 12th magnitude star north of it, so the identification seems certain. Apparent size of PGC 51220 about 1.4 by 0.7 arcmin(?); of PGC 1057935 about 1.0 by 0.5 arcmin?
DSS image of the interacting galaxies that comprise IC 997
Above, a 2.4 arcmin wide closeup of IC 997
Below, a 12 arcmin wide region centered on the pair, also showing IC 998
DSS image of region near the interacting galaxies that comprise IC 997, also showing IC 998

IC 998 (= PGC 1058483)
Discovered (May 16, 1892) by
Lewis Swift (X-5)
A magnitude 15 spiral galaxy (type Sa?) in Virgo (RA 14 20 19.3, Dec -04 24 59)
Per Dreyer, IC 998 (= Swift list X (#5), 1860 RA 14 12 56, NPD 93 49.0) is "most extremely faint, small, round, very difficult". The position precesses to RA 14 20 13.9, Dec -04 27 43, several arcmin from the only object that seems a reasonable candidate, but since IC 998 was observed on the same night as the nearby IC 997, their relative IC positions may be a better indicator of the correct coordinates. That would place IC 998 at RA 14 20 18, Dec -04 26 10, only an arcmin south of the galaxy listed above, and the relative brightness of the two galaxies matches Swift's descriptions, so the identification seems certain. Apparent size 0.95 by 0.25 arcmin?

IC 999 (= PGC 51189)
Discovered (Jun 23, 1892) by
Stephane Javelle (283)
A magnitude 13.9 lenticular galaxy (type S0??) in Bo÷tes (RA 14 19 32.6, Dec +17 52 33)
Apparent size 0.8 by 0.4 arcmin?
SDSS image of lenticular galaxy IC 999
Above, a 2.4 arcmin wide closeup of IC 999
Below, a 12 arcmin wide region centered on the galaxy, also showing IC 1000
SDSS image of region near lenticular galaxy IC 999, also showing IC 1000
Celestial Atlas
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