QuickLinks: 3550, 3551, 3552, 3553, 3554, 3555, 3556, 3557, 3558, 3559, 3560, 3561, 3562, 3563, 3564, 3565, 3566, 3567, 3568, 3569, 3570, 3571, 3572, 3573, 3574, 3575, 3576, 3577, 3578, 3579, 3580, 3581, 3582, 3583, 3584, 3585, 3586, 3587, 3588, 3589, 3590, 3591, 3592, 3593, 3594, 3595, 3596, 3597, 3598, 3599
Page last updated May 29, 2011
WORKING: Add positions/physical data (per Steinicke)
WORKING: Add discoverers (per Steinicke) WORKING: Check size/quality of pix already on page
IC 3550 (= NGC 4559C)
Discovered (1903) by Max Wolf
A 16th-magnitude HII emission region in Coma Berenices (RA 12 35 52, Dec +27 55 56) Probably part of NGC 4559, as shown in the image below

IC 3551
Discovered (1903) by Max Wolf
Part of NGC 4559 in Coma Berenices (RA 12 35 54, Dec +27 57 50) See the image at IC 3550 for the position of IC 3551
IC 3552
Discovered (1903) by Max Wolf
Part of NGC 4559 in Coma Berenices (RA 12 35 54, Dec +27 59 36) See the image at IC 3550 for the position of IC 3552
IC 3553
Recorded (1903) by Max Wolf
A 16th-magnitude star in Coma Berenices (RA 12 35 56, Dec +26 11 36) The image below is centered on the star

IC 3554
Recorded (1903) by Max Wolf
A 16th-magnitude star in Coma Berenices (RA 12 35 55, Dec +27 55 39) See the image at IC 3550 for the position of IC 3554
IC 3555
Discovered (1903) by Max Wolf
Part of NGC 4559 in Coma Berenices (RA 12 35 56, Dec +27 59 24) See the image at IC 3550 for the position of IC 3555
IC 3556 (= PGC 42005)
Discovered (1903) by Max Wolf
A 15th-magnitude spiral galaxy (type S0?) in Coma Berenices (RA 12 35 59, Dec +26 57 56)
Based on recessional velocity of 7395 km/sec, about 330 million light years away. Given that and apparent size of 0.8 by 0.45 arcmin, about 75 thousand light years in diameter. |
Above, a closeup of IC 3556 Below, an approximately 15 arcmin wide region centered on the galaxy (Wikisky shows the correct object, but incorrectly labels it as NGC 4458) |

IC 3557
IC 3558
IC 3559
IC 3560
IC 3561
IC 3562
IC 3563
IC 3564
IC 3565
IC 3566
IC 3567
IC 3568
IC 3569 (= NGC 4561)
Discovered (Apr 27, 1785) by William Herschel (and later listed as NGC 4561)
Discovered (May 7, 1904) by Royal Frost (978) (and later listed as IC 3569)
IC 3570
IC 3571
IC 3572
IC 3573
IC 3574
IC 3575
IC 3576
IC 3577
IC 3578
IC 3579
IC 3580
IC 3581
IC 3582
IC 3583
IC 3584
IC 3585
IC 3586
IC 3587
IC 3588 (= NGC 4571)
Discovered (Jan 14, 1787) by William Herschel (and later listed as NGC 4571)
Discovered (Nov 23, 1900) by Arnold Schwassmann (293) (and later listed as IC 3588)
IC 3589
IC 3590
IC 3591
IC 3592
IC 3593
IC 3594
IC 3595
IC 3596
IC 3597
IC 3598
IC 3599
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