QuickLinks:
550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 564, 565, 566,
567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579, 580, 581, 582, 583,
584, 585, 586, 587, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599
Page last updated May 4, 2011
WORKING: Add positions/physical data (per Steinicke)
IC 550 (= PGC 27607)
Discovered (Feb 18, 1893) by Stephane Javelle (640)
A 15th-magnitude spiral galaxy (type S0/a) in Hydra (RA 09 40 29, Dec -06 56 46)Based on recessional velocity of 4935 km/sec, about 220 million light years away. Given that and apparent size of 1.1 by 0.7 arcmins, about 70 thousand light years in diameter. |
Above, a 2.4 arcmin wide closeup of IC 550
Below, a 12 arcmin wide region centered on the galaxy
IC 551
Discovered (Apr 10, 1893) by Stephane Javelle (641)
IC 552
Discovered (Apr 23, 1892) by Stephane Javelle (166)
IC 553
Discovered (Feb 18, 1893) by Stephane Javelle (642)
IC 554 (= IC 555)
Discovered (Mar 22, 1892) by Stephane Javelle (and later listed as IC 555)
Discovered (Mar 28, 1892) by Lewis Swift (X-1) (and later listed as IC 554)
IC 555 (= IC 554)
Discovered (Mar 22, 1892) by Stephane Javelle (167) (and later listed as IC 555)
Discovered (Mar 28, 1892) by Lewis Swift (and later listed as IC 554)
IC 556 (= NGC 2984)
Discovered (Mar 15, 1784) by William Herschel (and later listed as NGC 2984)
Discovered (Apr 22, 1892) by Stephane Javelle (168) (and later listed as IC 556)
IC 557
Discovered (Apr 22, 1892) by Stephane Javelle (169)
IC 558
Discovered (Feb 23, 1889) by Rudolf Spitaler
IC 559
Discovered (Apr 13, 1893) by Stephane Javelle (643)
IC 560
Discovered (Mar 9, 1893) by Stephane Javelle (644)
IC 561
Discovered (Mar 21, 1893) by Stephane Javelle (645)
IC 562
Discovered (Mar 8, 1893) by Stephane Javelle (646)
IC 563
Discovered (Mar 21, 1893) by Stephane Javelle (647)
IC 564
Discovered (Mar 21, 1893) by Stephane Javelle (648)
IC 565
Discovered (Dec 16, 1893) by Stephane Javelle (649)
IC 566
Discovered (Mar 9, 1893) by Stephane Javelle (650)
IC 567
Discovered (Mar 18, 1890) by Guillaume Bigourdan (156)
IC 568
Discovered (Jan 15, 1894) by Stephane Javelle (651)
IC 569
Discovered (Jan 27, 1892) by Stephane Javelle (170)
IC 570
Discovered (Jan 15, 1894) by Stephane Javelle (652)
IC 571
Discovered (Dec 16, 1893) by Stephane Javelle (653)
IC 572
Discovered (Dec 16, 1893) by Stephane Javelle (654)
IC 573 (= NGC 3058)
Discovered (May 6, 1886) by Francis Leavenworth (and later listed as NGC 3058)
Discovered (Apr 20, 1892) by Stephane Javelle (171) (and later listed as IC 573)
IC 574
Discovered (Mar 9, 1893) by Stephane Javelle (655)
IC 575
Discovered (Mar 9, 1893) by Stephane Javelle (656)
IC 576
Discovered (Jan 27, 1892) by Stephane Javelle (172)
IC 577
Discovered (Mar 22, 1892) by Stephane Javelle (173)
IC 578
Discovered (Mar 22, 1892) by Stephane Javelle (174)
IC 579
Discovered (Mar 25, 1889) by Lewis Swift (VIII-50)
IC 580 (= NGC 3069)
Discovered (Mar 15, 1877) by John Dreyer (and later listed as NGC 3069)
Discovered (Mar 22, 1892) by Stephane Javelle (175) (and later listed as IC 580)
IC 581
Discovered (Dec 16, 1893) by Stephane Javelle (657)
IC 582
Discovered (Dec 16, 1893) by Stephane Javelle (658)
IC 583
Discovered (Dec 16, 1893) by Stephane Javelle (659)
IC 584
Discovered (Jan 28, 1892) by Stephane Javelle (176)
IC 585
Discovered (Mar 18, 1890) by Guillaume Bigourdan (157)
IC 586
Discovered (Mar 9, 1893) by Stephane Javelle (660)
IC 587
Discovered (Mar 20, 1893) by Stephane Javelle (661)
IC 588
Discovered (Mar 17, 1893) by Stephane Javelle (662)
IC 589
Discovered (Mar 9, 1893) by Stephane Javelle (663)
IC 590
Discovered (Mar 11, 1893) by Stephane Javelle (664)
IC 591
Discovered (Feb 8, 1878) by David Todd (22)
IC 592
Discovered (Mar 21, 1893) by Stephane Javelle (665)
IC 593
Discovered (Mar 21, 1893) by Stephane Javelle (666)
IC 594
Discovered (Mar 17, 1893) by Stephane Javelle (667)
IC 595
Discovered (Jan 28, 1892) by Stephane Javelle (178)
IC 596
Discovered (Apr 18, 1893) by Stephane Javelle (668)
IC 597
Discovered (May 4, 1893) by Stephane Javelle (669)
IC 598
Discovered (Mar 27, 1889) by Lewis Swift (VIII-51)
IC 599
Discovered (May 4, 1890) by Stephane Javelle (670)
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