Page last updated Jan 28, 2014
PGC 53702 (= HCG 73E)
A magnitude 17.9 spiral galaxy (type Sd?) in Boötes (RA 15 02 31.3, Dec +23 19 42)
(For now, see Hickson Compact Group 73 for anything else)
PGC 53703 (= HCG 73D)
A magnitude 18.7 spiral galaxy (type Sb?) in Boötes (RA 15 02 31.6, Dec +23 22 11)
(For now, see Hickson Compact Group 73 for anything else)
PGC 53707 (= HCG 73B, and with NGC 5829 = Arp 42)
A magnitude 15.8 irregular galaxy (type Im??) in Boötes (RA 15 02 38.3, Dec +23 21 04)
(See IC 4526 or Hickson Compact Group 73 for anything else)
PGC 53708
A 17th-(B)magnitude spiral galaxy (type Sm) in Boötes (RA 15 02 42, Dec +19 49 35)
Based on recessional velocity of 4945 km/sec, about 220 million light years away. Given that and apparent size of 1.4 by 0.8 arcmin, about 90 thousand light years across.
Above, a 2.4 arcmin wide closeup of PGC 53708
Below, a 12 arcmin wide region centered on the galaxy
Also shown in the wide-field image (at lower right) is 2MASX J15022750+1944070
PGC 53709 (= NGC 5829 = HCG 73A, and with PGC 53707 (= IC 4526) = Arp 42)
A 13th-magnitude spiral galaxy (type SA(s)c) in Boötes (RA 15 02 42.0, Dec +23 20 00)
(See NGC 5829 or Hickson Compact Group 73 for anything else)
PGC 53720 (= HCG 73C)
A magnitude 17.0 lenticular galaxy (type S0?) in Boötes (RA 15 02 49.9, Dec +23 21 35)
(For now, see Hickson Compact Group 73 for anything else)
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