The Caldwell Objects

6 0
Ringtail Galaxy; Rataail
Galaxy; The Antennae
(northwestern
component)
NGC 4038
Type: Irregular Barred
Galaxy (IBPm)
Con: Corvus
RA: 12 h 01 m 53 s
Dec:-18° 51.9'
Mag: 10.5; 10.5 (O'Meara)
Dim: 11.2' x 5.9'
SB: 13.7
Dist: 83 million light-years Disc:
William Herschel, 1785
W. HERSCHEL: [Observed 7
February 1785] Pretty bright,
large opening with a branch, or
two nebulae very faintly joined.
The south is the smallest. (H IV-
28.1)
GC/NGC: Pretty bright,
considerably large, round, very
gradually brighter in the middle.
6 1
Ringtail Galaxy;
Rattail Galaxy; The
Antennae
(southeastern component)
NGC 4039
Type: Irregular Galaxy (IPm)
Con: Corvus
RA: 12 h 01 m 54 s
Dec: -18° 53.1'
Mag: 10.3; 11.2 (O'Meara)
Dim: 9.8' x 4.5'
SB: 13.0
Dist: 83 million light-years
Disc: William Herschel, 1785
W. HERSCHEL: [Observed 7 February 1785] See Caldwell
60. (H IV-28.2)
GC/NGC: Pretty faint, pretty large.
60 & 61
The Caldwell Objects 239