Celestial Atlas
(IC 3900 - 3949) ←     IC Objects: IC 3950 - 3999 Link for sharing this page on Facebook     → (IC 4000 - 4049)
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3950, 3951, 3952, 3953, 3954, 3955, 3956, 3957, 3958, 3959, 3960, 3961, 3962, 3963, 3964, 3965, 3966,
3967, 3968, 3969, 3970, 3971, 3972, 3973, 3974, 3975, 3976, 3977, 3978, 3979, 3980, 3981, 3982, 3983,
3984, 3985, 3986, 3987, 3988, 3989, 3990, 3991, 3992, 3993, 3994, 3995, 3996, 3997, 3998, 3999

Page last updated Nov 4, 2013
WORKING: Check positions, historical IDs (Corwin+), add basic pix, captions, tags

IC 3950 (= PGC 3090103)
Discovered (Jan 27, 1904) by
Max Wolf (6-120)
A magnitude 16.1 lenticular galaxy (type SB0/a?) in Coma Berenices (RA 12 59 06.0, Dec +18 44 10)
Apparent size 0.5 by 0.35 arcmin; Vr 19130 km/sec.
SDSS image of lenticular galaxy IC 3950
Above, a 0.8 arcmin wide SDSS image of IC 3950
Below, a 12 arcmin wide SDSS image centered on the galaxy, also showing IC 3951
SDSS image of region near lenticular galaxy IC 3950, also showing IC 3951

IC 3951 (= PGC 3090104)
Discovered (Jan 27, 1904) by
Max Wolf (6-121)
A magnitude 16.2 spiral galaxy (type S??) in Coma Berenices (RA 12 59 10.1, Dec +18 45 53)
Apparent size 0.5 by 0.2 arcmin?

IC 3952 (= PGC 3799718)
Discovered (Mar 21, 1903) by
Max Wolf (5-101)
A magnitude 15.0 elliptical galaxy (type E0??) in Canes Venatici (RA 12 58 52.1, Dec +38 52 11)
Apparent size 0.3 by 0.3 arcmin?

IC 3953 (= PGC 1681197)
Discovered (Jan 27, 1904) by
Max Wolf (6-122)
A magnitude 15.5 elliptical galaxy (type E0??) in Coma Berenices (RA 12 59 09.1, Dec +23 05 14)
Apparent size 0.2 by 0.2 arcmin?

IC 3954 (= PGC 3799842)
Discovered (Jan 27, 1904) by
Max Wolf (6-123)
A magnitude 16.2 spiral galaxy (type S??) in Coma Berenices (RA 12 59 12.7, Dec +19 16 21)
Apparent size 0.4 by 0.2 arcmin?

IC 3955 (= PGC 44544)
Discovered (Apr 22, 1895) by
Hermann Kobold (11, Ng)
A magnitude 14.4 lenticular galaxy (type SB0??) in Coma Berenices (RA 12 59 06.1, Dec +27 59 46)
Apparent size 0.4 by 0.2 arcmin?

IC 3956 (= PGC 2099843)
Discovered (Mar 21, 1903) by
Max Wolf (5-102)
A magnitude 15.2 lenticular galaxy (type E/S0?) in Canes Venatici (RA 12 58 56.4, Dec +37 23 54)
Apparent size 0.3 by 0.3 arcmin?

IC 3957 (= PGC 44554)
Discovered (May 12, 1896) by
Hermann Kobold (12, N(19))
A magnitude 14.6 elliptical galaxy (type E0??) in Coma Berenices (RA 12 59 07.5, Dec +27 46 00)
Apparent size 0.4 by 0.4 arcmin?

IC 3958 (= PGC 3799830)
Discovered (Jan 27, 1904) by
Max Wolf (6-124)
A magnitude 15.5 elliptical galaxy (type E0??) in Coma Berenices (RA 12 59 11.4, Dec +24 01 20)
Apparent size 0.2 by 0.2 arcmin?

IC 3959 (= PGC 44553)
Discovered (May 12, 1896) by
Hermann Kobold (13, N(14))
A magnitude 14.2 elliptical galaxy (type E0??) in Coma Berenices (RA 12 59 08.3, Dec +27 47 01)
Apparent size 0.5 by 0.5 arcmin?

IC 3960 (= PGC 44551)
Discovered (May 12, 1896) by
Hermann Kobold (14, N(18))
A magnitude 14.9 lenticular galaxy (type SB0??) in Coma Berenices (RA 12 59 08.0, Dec +27 51 17)
Apparent size 0.4 by 0.4 arcmin?

PGC 44552 (= "IC 3960A")
Not an IC object but sometimes called IC 3960A due to its proximity to
IC 3960
A magnitude 16.2 lenticular galaxy (type S0??) in Coma Berenices (RA 12 59 09.8, Dec +27 52 01)
Apparent size 0.3 by 0.2 arcmin?

IC 3961 (=
NGC 4861 = PGC 44536 = Arp 266)
Discovered (May 1, 1785) by William Herschel (and later listed as NGC 4861)
Discovered (Mar 21, 1903) by Max Wolf (5-103) (and later listed as IC 3961)
A magnitude 13.5 spiral galaxy (type SBm??) in Canes Venatici (RA 12 59 01.8, Dec +34 51 43)
This entry will be primarily concerned with historical information; for anything else see NGC 4861. (Note: In the IC2, Dreyer misidentifies this as Wolf list V #105; but that is IC 3966.)

IC 3962
Recorded (Jan 27, 1904) by
Max Wolf (6-125)
A star in Coma Berenices (RA 12 59 15.1, Dec +23 40 04)

IC 3963 (= PGC 44567)
Discovered (May 12, 1896) by
Hermann Kobold (15, N(20))
A magnitude 14.7 lenticular galaxy (type S0??) in Coma Berenices (RA 12 59 13.6, Dec +27 46 26)
Apparent size 0.7 by 0.3 arcmin?

IC 3964
Recorded (May 13, 1896) by
Hermann Kobold (16, N(21))
A star in Coma Berenices (RA 12 59 13.6, Dec +27 51 04)

IC 3965 (= PGC 3799919)
Discovered (Jan 27, 1904) by
Max Wolf (6-126)
A magnitude 16.0 elliptical galaxy (type E5??) in Coma Berenices (RA 12 59 22.7, Dec +18 50 34)
Apparent size 0.2 by 0.1 arcmin?

IC 3966 (= PGC 44565)
Discovered (Mar 21, 1903) by
Max Wolf (5-105)
A magnitude 14.8 spiral galaxy (type SABbc?) in Canes Venatici (RA 12 59 13.1, Dec +35 51 15)
Apparent size 0.7 by 0.45 arcmin.
SDSS image of spiral galaxy IC 3966
Above, a 1.0 arcmin wide SDSS image of IC 3966
Below, a 12 arcmin wide SDSS image centered on the galaxy
SDSS image of region near spiral galaxy IC 3966

IC 3967 (= PGC 44561)
Discovered (Mar 21, 1903) by
Max Wolf (5-106)
A magnitude 15.2 spiral galaxy (type S??) in Canes Venatici (RA 12 59 12.8, Dec +36 07 47)
Apparent size 0.4 by 0.2 arcmin?

IC 3968 (= PGC 44598)
Discovered (Apr 22, 1895) by
Hermann Kobold (17, No)
A magnitude 15.2 lenticular galaxy (type S0??) in Coma Berenices (RA 12 59 25.6, Dec +27 58 21)
Apparent size 0.4 by 0.2 arcmin?

IC 3969 (= PGC 1600532 + PGC 3799985 + PGC 4538097)
Discovered (Jan 27, 1904) by
Max Wolf (6-127)
A group of galaxies in Coma Berenices
PGC 1600532 = A magnitude 16.3(?) spiral galaxy (type SB(rs)b?) at RA 12 59 32.7, Dec +19 39 11
PGC 3799985 = A magnitude 17.5(?) lenticular galaxy (type S0/a?) at RA 12 59 32.6, Dec +19 38 51
PGC 4538097 = A magnitude 18.5(?) lenticular galaxy (type S0/a?) at RA 12 59 33.7, Dec +19 39 18
Apparent size of PGC 1600532 is about 0.35 by 0.35 arcmin; of PGC 3799985, about 0.25 by 0.15 arcmin; of PGC 4538097, about 0.1 by 0.05 arcmin. Listed as a triple galaxy, but the third is more part of the background formed by other members of Abell 1657 than a noticeable contributor to the IC object.
SDSS image of the galaxies that comprise IC 3969
Above, a 1.0 arcmin wide SDSS image of IC 3969
Below, a 12 arcmin wide SDSS image centered on the group, also showing IC 3985
SDSS image of region near IC 3969, also showing IC 3985

IC 3970
Recorded (Mar 21, 1903) by
Max Wolf (5-107)
A star in Canes Venatici (RA 12 59 11.5, Dec +40 24 08)

IC 3971 (= PGC 44617)
Discovered (Jan 27, 1904) by
Max Wolf (6-128)
A magnitude 16.2 spiral galaxy (type S??) in Coma Berenices (RA 12 59 31.7, Dec +22 50 43)
Apparent size 0.3 by 0.2 arcmin?

IC 3972
Recorded (Mar 21, 1903) by
Max Wolf (5-108)
A star in Canes Venatici (RA 12 59 17.1, Dec +37 16 45)

IC 3973 (= PGC 44612)
Discovered (May 20, 1895) by
Hermann Kobold (18, Np)
A magnitude 14.4 lenticular galaxy (type SAB0/a(r)?) in Coma Berenices (RA 12 59 30.7, Dec +27 53 06)
Aparent size 0.9 by 0.45 arcmin.
SDSS image of lenticular galaxy IC 3973
Above, a 1.2 arcmin wide SDSS image of IC 3973
Below, a 12 arcmin wide region centered on the galaxy, also showing
NGC 4864, 4867, 4869, 4871, 4872, 4873, 4874, 4875 and 4876, and IC 3959, 3960, 3976 and 3998
SDSS image of region near lenticular galaxy IC 3973, also showing NGC 4864, NGC 4867, NGC 4869, NGC 4871, NGC 4872, NGC 4873, NGC 4874, NGC 4875 and NGC 4876, and IC 3959, IC 3960, IC 3976 and IC 3998

IC 3974 (=
NGC 4947 = PGC 45269)
Discovered (May 1, 1834) by John Herschel (and later listed as NGC 4947)
Discovered (Mar 28, 1898) by Lewis Swift (XI-146) (and later listed as IC 3974)
A magnitude 11.9 spiral galaxy (type SAB(r)b pec) in Centaurus (RA 13 05 20.2, Dec -35 20 13)
This entry will primarily contain historical information; for anything else see NGC 4947.

IC 3975 (= PGC 44555)
Discovered (Mar 21, 1903) by
Max Wolf (5-110)
A magnitude 14.4 lenticular galaxy (type S0??) in Canes Venatici (RA 12 59 15.6, Dec +38 52 59)
Apparent size 0.7 by 0.4 arcmin?

IC 3976 (= PGC 44603)
Discovered (May 13, 1896) by
Hermann Kobold (19, N(22))
A magnitude 14.7 elliptical galaxy (type E6??) in Coma Berenices (RA 12 59 29.5, Dec +27 51 00)
Apparent size 0.5 by 0.2 arcmin?

IC 3977
Recorded (Mar 21, 1903) by
Max Wolf (5-111)
A star in Canes Venatici (RA 12 59 19.6, Dec +36 47 55)

IC 3978 (= PGC 4350039)
Discovered (Jan 27, 1904) by
Max Wolf (6-129)
A magnitude 16.5 elliptical galaxy (type E0??) in Coma Berenices (RA 12 59 37.5, Dec +19 37 20)
Apparent size 0.1 by 0.1 arcmin?

IC 3979
Recorded (Mar 21, 1903) by
Max Wolf (5-112)
A magnitude 14(?) star in Canes Venatici (RA 12 59 21.0, Dec +36 19 24)

IC 3980 (= PGC 2144346)
Discovered (Mar 21, 1903) by
Max Wolf (5-114)
A magnitude 15.5 spiral galaxy (type S??) in Canes Venatici (RA 12 59 18.6, Dec +39 09 04)
Apparent size 0.3 by 0.2 arcmin?

IC 3981
Recorded (Mar 21, 1903) by
Max Wolf (5-115)
A star in Canes Venatici (RA 12 59 21.5, Dec +37 13 41)

IC 3982
Recorded (Mar 21, 1903) by
Max Wolf (5-116)
A star in Canes Venatici (RA 12 59 18.6, Dec +40 04 54)
In a group of 3 stars.

IC 3983
Recorded (Mar 21, 1903) by
Max Wolf (5-118)
A pair of stars in Canes Venatici (RA 12 59 20.3, Dec +39 14 53)

IC 3984
Recorded (Jan 27, 1904) by
Max Wolf (6-130)
A star in Coma Berenices (RA 12 59 42.1, Dec +19 37 36)
(plus two very faint galaxies just half an arcmin west)

IC 3985 (= PGC 3090105)
Discovered (Jan 27, 1904) by
Max Wolf (6-131)
A magnitude 15.2 spiral galaxy (type Scd?) in Coma Berenices (RA 12 59 43.1, Dec +19 35 30)
Apparent size 0.25 by 0.2 arcmin.
SDSS image of spiral galaxy IC 3985
Above, a 0.4 arcmin wide SDSS image of IC 3985
Below, a 12 arcmin wide SDSS image centered on the galaxy, also showing IC 3969
SDSS image of spiral galaxy IC 3985, also showing IC 3969

IC 3986 (= PGC 44905)
Discovered (Jan 31, 1898) by
Lewis Swift (XI-147)
A magnitude 12.3 lenticular galaxy (type SB0??) in Centaurus (RA 13 01 32.2, Dec -32 17 29)
Apparent size 1.6 by 1.2 arcmin?

IC 3987 (= PGC 2135098)
Discovered (Mar 21, 1903) by
Max Wolf (5-119)
A magnitude 14.6 elliptical galaxy (type E0??) in Canes Venatici (RA 12 59 25.0, Dec +38 44 02)
Apparent size 0.4 by 0.4 arcmin?

IC 3988
Recorded (Mar 21, 1903) by
Max Wolf (5-120)
A star in Canes Venatici (RA 12 59 26.8, Dec +37 14 41)

IC 3989
Recorded (Mar 21, 1903) by
Max Wolf (5-121)
A star in Canes Venatici (RA 12 59 28.8, Dec +36 45 25)

IC 3990 (= PGC 44633)
Discovered (Jun 6, 1896) by
Stephane Javelle (1231)
A magnitude 14.4 spiral galaxy (type Sa??) in Coma Berenices (RA 12 59 39.3, Dec +28 53 42)
Apparent size 1.2 by 0.4 arcmin?

IC 3991 (= PGC 44632)
Discovered (Jun 6, 1896) by
Stephane Javelle (1232)
A magnitude 14.5 lenticular galaxy (type E/S0??) in Coma Berenices (RA 12 59 39.8, Dec +28 55 33)
Apparent size 0.7 by 0.3 arcmin?

IC 3992
Recorded (Mar 21, 1903) by
Max Wolf (5-122)
A star in Canes Venatici (RA 12 59 33.4, Dec +36 46 19)

IC 3993 (= PGC 3088024)
Discovered (Mar 21, 1903) by
Max Wolf (5-123)
A magnitude 14.8 elliptical galaxy (type E0??) in Canes Venatici (RA 12 59 30.4, Dec +40 36 08)
Apparent size 0.3 by 0.3 arcmin?

IC 3994 (= PGC 1674890)
Discovered (Jan 27, 1904) by
Max Wolf (6-133)
A magnitude 16.7 spiral galaxy (type S??) in Coma Berenices (RA 12 59 50.7, Dec +22 42 58)
Apparent size 0.2 by 0.2 arcmin?

IC 3995
Recorded (Mar 21, 1903) by
Max Wolf (5-124)
A star in Canes Venatici (RA 12 59 33.1, Dec +39 02 26)
(faint galaxy 20 arcsec to northwest)

IC 3996
Recorded (Mar 21, 1903) by
Max Wolf (5-125)
A pair of stars in Canes Venatici (RA 12 59 31.5, Dec +40 28 02)

IC 3997 (= PGC 2085297)
Discovered (Mar 21, 1903) by
Max Wolf (5-126)
A magnitude 15.5 elliptical galaxy (type E3??) in Canes Venatici (RA 12 59 37.0, Dec +36 41 42)
Apparent size 0.3 by 0.2 arcmin?

IC 3998 (= PGC 44664)
Discovered (Apr 22, 1895) by
Hermann Kobold (20, Nn)
A magnitude 14.6 lenticular galaxy (type SB0/a?) in Coma Berenices (RA 12 59 46.9, Dec +27 58 22)
Apparent size 0.6 by 0.35 arcmin.
SDSS image of lenticular galaxy IC 3998
Above, a 1.2 arcmin wide SDSS image of IC 3998; for a wider view, see NGC 4874

IC 3999 (=
NGC 4862 = PGC 44610)
Discovered (Feb 26, 1886) by Francis Leavenworth (and later listed as NGC 4862)
Discovered (Apr 16, 1895) by Guillaume Bigourdan (305) (and later listed as IC 3999)
A magnitude 14.2 spiral galaxy (type SBc??) in Virgo (RA 12 59 30.8, Dec -14 07 55)
This entry will primarily contain historical information; for anything else see NGC 4862.
Celestial Atlas
(IC 3900 - 3949) ←     IC Objects: IC 3950 - 3999     → (IC 4000 - 4049)