QuickLinks:
1500, 1501, 1502, 1503, 1504, 1505, 1506, 1507, 1508, 1509, 1510, 1511, 1512, 1513, 1514, 1515, 1516,
1517, 1518, 1519, 1520, 1521, 1522, 1523, 1524, 1525, 1526, 1527, 1528, 1529, 1530, 1531, 1532, 1533,
1534, 1535, 1536, 1537, 1538, 1539, 1540, 1541, 1542, 1543, 1544, 1545, 1546, 1547, 1548, 1549
Page last updated Jul 24, 2011
WORKING: Add positions/physical data (per Steinicke)
NGC 1500
Discovered (Dec 24, 1837) by John Herschel
NGC 1501
Discovered (Nov 3, 1787) by William Herschel
NGC 1502
Discovered (Nov 3, 1787) by William Herschel
NGC 1503
Discovered (Nov 2, 1834) by John Herschel
NGC 1504
Discovered (Dec 31, 1885) by Ormond Stone (I-120)
NGC 1505
Discovered (Dec 31, 1885) by Ormond Stone (I-121)
NGC 1506
Discovered (Dec 23, 1837) by John Herschel
NGC 1507
Discovered (Jan 6, 1785) by William Herschel
NGC 1508
Discovered (Dec 15, 1876) by Édouard Stephan (8-14)
NGC 1509 (= IC 2026)
Discovered (Oct 22, 1886) by Lewis Swift (5-59) (and later listed as NGC 1509)
Discovered (Dec 16, 1897) by Guillaume Bigourdan (and later listed as IC 2026)
NGC 1510
Discovered (Dec 4, 1836) by John Herschel
NGC 1511
Discovered (Nov 2, 1834) by John Herschel
NGC 1512
Discovered (Oct 29, 1826) by James Dunlop (466)
The second IC adds (per Delisle Stewart) "Not a globular cluster, but an extremely faint ring nebula".
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NGC 1513
Discovered (Dec 28, 1790) by William Herschel
NGC 1514
Discovered (Nov 13, 1790) by William Herschel
NGC 1515
Discovered (Nov 5, 1826) by James Dunlop (348)
NGC 1516 (= NGC 1524)
Discovered (Jan 30, 1786) by William Herschel (and later listed as NGC 1516)
Discovered (Dec 31, 1885) by Ormond Stone (and later listed as NGC 1524)
NGC 1517
Discovered (Dec 23, 1884) by Édouard Stephan (13-25)
NGC 1518
Discovered (Nov 13, 1835) by John Herschel
The second IC notes (per Howe) "Minute of RA is 00, not 01".
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NGC 1519
Discovered (Jan 2, 1878) by Wilhelm Tempel (I-14, V-2)
NGC 1520
Discovered (Nov 8, 1836) by John Herschel
NGC 1521
Discovered (Nov 21, 1835) by John Herschel
NGC 1522
Discovered (Dec 27, 1834) by John Herschel
NGC 1523
Discovered (Dec 6, 1834) by John Herschel
The second IC notes (per Delisle Stewart) "Only 3 very faint stars, not a nebula".
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NGC 1524 (= NGC 1516)
Discovered (Jan 30, 1786) by William Herschel (and later listed as NGC 1516)
Discovered (Dec 31, 1885) by Ormond Stone (I-123) (and later listed as NGC 1524)
NGC 1525
Discovered (Dec 31, 1885) by Ormond Stone (I-124)
NGC 1526
Discovered (Nov 2, 1834) by John Herschel
NGC 1527
Discovered (Sep 28, 1826) by James Dunlop (409)
NGC 1528
Discovered (Dec 28, 1790) by William Herschel
NGC 1529
Discovered (Dec 9, 1836) by John Herschel
NGC 1530
Discovered (1876) by Wilhelm Tempel (I-15)
NGC 1531 (= PGC 14365)
Discovered (Oct 19, 1835) by John Herschel
A 12th-magnitude lenticular galaxy (type S0 pec?) in Eridanus (RA 04 11 59, Dec -32 51 03)
Based on recessional velocity of 1170 km/sec, about 52 million light years away, in reasonable agreement, given normal peculiar (non-Hubble redshift) velocities, with a redshift-independent distance estimate of 42 million light years. Part of a double system with NGC 1532, suggesting a common distance of around 50 million light years. Given that and apparent size of 1.3 by 0.9 arcmin, about 20 thousand light years across. Over time, the gravitational interaction of the two galaxies will tear the smaller galaxy apart, and merge its remains with the larger one. As it is, their interaction has created huge plumes of material stretching away from each galaxy (particularly the larger), and generated bursts of star-formation (the red-purplish regions glowing with the heat of the new stars) in each galaxy. |
Above, a 2.4 arcmin wide closeup of NGC 1531 (Credit: IDA/Danish 1.5 m/R.Gendler and J.-E. Ovaldsen/ESO)
The larger galaxy at lower left is NGC 1532, which see for a wide-field view
NGC 1532 (= PGC 14638)
Discovered (Oct 29, 1826) by James Dunlop (600)
A 10th-magnitude edge-on spiral galaxy (type SB(s)b pec) in Eridanus (RA 04 12 04, Dec -32 52 23)
Based on recessional velocity of 1040 km/sec, about 46 million light years away, in good agreement with redshift-independent distance estimates of 44 to 62 million light years. Part of a double system with NGC 1531, suggesting a common distance of around 50 million light years. Given that and apparent size of 12.6 by 3.3 arcmin, about 180 thousand light years across. Over time, the gravitational interaction of the two galaxies will tear the smaller galaxy apart, and merge its remains with the larger one. As it is, their interaction has created huge plumes of material stretching away from each galaxy (particularly the larger), and generated bursts of star-formation (the red-purplish regions glowing with the heat of the new stars) in each galaxy. |
Above, a 15 arcmin composite centered on NGC 1532 and 1531; also shown is IC 2041)
Below, an ESO closeup of the pair (Credit: IDA/Danish 1.5 m/R.Gendler and J.-E. Ovaldsen/ESO)
(The image has been rotated to allow for more detail; as a result, North is to the upper right)
NGC 1533
Discovered (Dec 5, 1834) by John Herschel
NGC 1534
Discovered (Dec 26, 1834) by John Herschel
NGC 1535
Discovered (Feb 1, 1785) by William Herschel
NGC 1536
Discovered (Dec 4, 1834) by John Herschel
NGC 1537
Discovered (Nov 18, 1835) by John Herschel
NGC 1538 (= IC 2047)
Discovered (Dec 31, 1885) by Ormond Stone (I-125) (and later listed as NGC 1538)
Discovered (Jan 20, 1900) by Herbert Howe (and later listed as IC 2047)
NGC 1539
Discovered (Sep 6, 1864) by Albert Marth (94)
NGC 1540
Discovered (Nov 6, 1834) by John Herschel
NGC 1541
Discovered (Nov 14, 1863) by Albert Marth (95)
NGC 1542 (= PGC 14800)
Discovered (Nov 18, 1863) by Albert Marth (96)
A 14th-magnitude spiral galaxy (type Sab) in Taurus (RA 04 17 14, Dec +04 46 55)
Based on recessional velocity of 3715 km/sec, about 165 million light years away. Given that and apparent size of 1.3 by 0.5 arcmin, about 60 thousand light years across. |
Above, a 2.4 arcmin wide closeup of NGC 1542
Below, a 12 arcmin wide region centered on the galaxy
NGC 1543
Discovered (Nov 5, 1826) by James Dunlop (306)
NGC 1544
Discovered (1876) by Wilhelm Tempel (I-16)
NGC 1545
Discovered (Dec 28, 1790) by William Herschel
NGC 1546
Discovered (Dec 5, 1834) by John Herschel
NGC 1547
Discovered (Oct 17, 1885) by Francis Leavenworth (I-126)
The second IC lists a corrected RA (per Howe) of 04 10 57, and adds "a cluster".
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NGC 1548
Discovered (Feb 3, 1832) by John Herschel
NGC 1549 (= PGC 14757)
Discovered (Nov 5, 1826) by James Dunlop (331)
A 10th-magnitude elliptical galaxy (type E0-1) in Dorado (RA 04 15 45.0, Dec -55 35 29)
The second IC lists a corrected RA (per Innes and Delisle Stewart) of 04 12 44 and adds "13 arcmin northwest of h2630 (h's RA only rough)".
Based on a recessional velocity of 1255 km/sec, NGC 1549 is about 58 million light years away, in good agreement with redshift-independent distance estimates of 45 to 65 million light years. Given that and its apparent size of 4.9 by 4.2 arcmin, it is about 75 thousand light years across. The galaxy is a member of the NGC 1566 group. It is part of a possibly gravitationally bound pair with NGC 1553, which is a little over 11 arcminutes away in the sky, and (if at a common distance of 55 million light years) may be separated from NGC 1549 by as little as 175 thousand light years. |
Above, a 6 arcmin wide closeup of NGC 1549
Below, a 12 arcmin wide region centered on the galaxy
Below, a 20 arcmin wide view centered between NGC 1549 and 1553
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