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Page last updated Jul 23, 2011
WORKING: Add positions/physical data (per Steinicke)
NGC 500 (= PGC 5013)
Discovered (Dec 6, 1850) by Bindon Stoney
A 14th-magnitude elliptical galaxy (type E?) in Pisces (RA 01 22 39, Dec +05 23 14)Based on recessional velocity of 12315 km/sec, about 550 million light years away. Given that and apparent size of 0.6 by 0.45 arcmins, about 100 thousand light years in diameter. Note: The Wikisky cutouts used for the images below contained some linear artifacts. Removing those very slightly altered the appearance of the lower portion of NGC 500. |
Above, a closeup of NGC 500
Below, an approximately 15 arcmin wide region centered on NGC 500 |
NGC 501
Discovered (Oct 28, 1856) by R. J. Mitchell
NGC 502
Discovered (Sep 25, 1862) by Heinrich d'Arrest
NGC 503
Discovered (Aug 13, 1863) by Heinrich d'Arrest
NGC 504
Discovered (Nov 22, 1827) by John Herschel
NGC 505
Discovered (Oct 1, 1864) by Albert Marth (#46)
NGC 506
Discovered (Nov 7, 1874) by Lawrence Parsons, 4th Earl of Rosse
NGC 507
Discovered (Sep 12, 1784) by William Herschel
NGC 508
Discovered (Sep 12, 1784) by William Herschel
NGC 509
Discovered (Oct 1, 1864) by Albert Marth (#47)
NGC 510
Discovered (Nov 11, 1867) by Herman Schultz (Nova V)
NGC 511
Discovered (Oct 26, 1876) by Édouard Stephan (8-4)
NGC 512
Discovered (Nov 17, 1827) by John Herschel
NGC 513
Discovered (Sep 13, 1784) by William Herschel
NGC 514
Discovered (Oct 16, 1784) by William Herschel
NGC 515
Discovered (Sep 13, 1784) by William Herschel
NGC 516
Discovered (Sep 25, 1862) by Heinrich d'Arrest
NGC 517
Discovered (Sep 13, 1784) by William Herschel
NGC 518
Discovered (Dec 17, 1864) by Albert Marth (#48)
NGC 519
Discovered (Nov 20, 1886) by Lewis Swift (6-8)
NGC 520
Discovered (Sep 13, 1784) by William Herschel
NGC 521
Discovered (Oct 8, 1785) by William Herschel
NGC 522
Discovered (Sep 25, 1862) by Heinrich d'Arrest
NGC 523 (= NGC 537)
Discovered (Sep 13, 1784) by William Herschel (and later listed as NGC 537)
Discovered (Sep 25, 1862) by Heinrich d'Arrest (and later listed as NGC 523)
NGC 524
Discovered (Sep 4, 1786) by William Herschel
NGC 525
Discovered (Sep 25, 1862) by Heinrich d'Arrest
NGC 526
Discovered (Sep 1, 1834) by John Herschel
NGC 527
Discovered (Sep 1, 1834) by John Herschel
NGC 528
Discovered (Aug 22, 1865) by Heinrich d'Arrest
NGC 529
Discovered (Nov 17, 1827) by John Herschel
NGC 530 (= IC 106 = PGC 5210 = PGC 73947)
Discovered (Nov 20, 1886) by Lewis Swift (6-9) (and later listed as NGC 530)
Discovered (Nov 16, 1887) by Guillaume Bigourdan (and later listed as IC 106)
A 13th-magnitude edge-on barred spiral galaxy (type SB0+) in Cetus (RA 01 24 42, Dec -01 35 13)
The second Index Catalog lists a corrected 1860 RA (per Howe) of 01 17 34 and notes "Is = IC 106" (which see for a discussion of the double listing). Part of galaxy cluster Abell 194. Based on a recessional velocity of 5005 km/sec, about 225 million light years away. Given that and apparent size of 1.5 by 0.4 arcmin, about 100 thousand light years across. |
Above, a 1.5 arcmin wide closeup of NGC 530
Below, a 12 arcmin wide region centered on the galaxy |
NGC 531
Discovered (Oct 16, 1855) by R. J. Mitchell
NGC 532
Discovered (Sep 21, 1786) by William Herschel
NGC 533
Discovered (Oct 8, 1785) by William Herschel
NGC 534
Discovered (Oct 23, 1835) by John Herschel
NGC 535
Discovered (Oct 31, 1864) by Heinrich d'Arrest
NGC 536
Discovered (Sep 13, 1784) by William Herschel
NGC 537 (= NGC 523)
Discovered (Sep 13, 1784) by William Herschel (and later listed as NGC 537)
Discovered (Sep 25, 1862) by Heinrich d'Arrest (and later listed as NGC 523)
NGC 538
Discovered (Nov 20, 1886) by Lewis Swift (6-10)
NGC 539 (= NGC 563)
Discovered (Oct 31, 1885) by Francis Leavenworth (I-28) (and later listed as NGC 539)
Discovered (1886) by Francis Leavenworth (and later listed as NGC 563)
NGC 540
Discovered (Oct 15, 1885) by Francis Leavenworth (I-29)
NGC 541
Discovered (Oct 30, 1864) by Heinrich d'Arrest
NGC 542
Discovered (Oct 16, 1855) by R. J. Mitchell
NGC 543
Discovered (Oct 31, 1864) by Heinrich d'Arrest
NGC 544
Discovered (Oct 23, 1835) by John Herschel
NGC 545
Discovered (Oct 1, 1785) by William Herschel
NGC 546
Discovered (Oct 23, 1835) by John Herschel
NGC 547
Discovered (Oct 1, 1785) by William Herschel
NGC 548
Discovered (Nov 2, 1867) by George Searle (25, HN 33)
NGC 549
Discovered (Nov 29, 1837) by John Herschel
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