QuickLinks:
1800, 1801, 1802, 1803, 1804, 1805, 1806, 1807, 1808, 1809, 1810, 1811, 1812, 1813, 1814, 1815, 1816,
1817, 1818, 1819, 1820, 1821, 1822, 1823, 1824, 1825, 1826, 1827, 1828, 1829, 1830, 1831, 1832, 1833,
1834, 1835, 1836, 1837, 1838, 1839, 1840, 1841, 1842, 1843, 1844, 1845, 1846, 1847, 1848, 1849
Page last updated Jul 24, 2011
WORKING: Add positions/physical data (per Steinicke)
NGC 1800 (= PGC 16745)
Discovered (Nov 19, 1835) by John Herschel
A 13th-magnitude irregular galaxy (type IBm?) in Columba (RA 05 06 25.4, Dec -31 57 16)
Above, a 2.4 arcmin wide closeup of NGC 1800
Below, a 12 arcmin wide region centered on the galaxy
NGC 1801
Discovered (Nov 24, 1834) by John Herschel
NGC 1802
Discovered (Dec 7, 1785) by William Herschel
NGC 1803
Discovered (Dec 28, 1834) by John Herschel
NGC 1804
Discovered (Nov 3, 1834) by John Herschel
NGC 1805
Discovered (Sep 24, 1826) by James Dunlop (233)
NGC 1806
Discovered (Dec 30, 1836) by John Herschel
NGC 1807
Discovered (Jan 25, 1832) by John Herschel
NGC 1808
Discovered (May 10, 1826) by James Dunlop (549, 531)
NGC 1809
Discovered (Dec 23, 1834) by John Herschel
NGC 1810
Discovered (Sep 24, 1826) by James Dunlop (235)
NGC 1811
Discovered (Nov 6, 1834) by John Herschel
NGC 1812
Discovered (Nov 6, 1834) by John Herschel
NGC 1813
Discovered (Dec 16, 1835) by John Herschel
NGC 1814
Discovered (Nov 2, 1834) by John Herschel
NGC 1815
Discovered (Nov 24, 1834) by John Herschel
NGC 1816
Discovered (Jan 2, 1837) by John Herschel
NGC 1817
Discovered (Feb 19, 1784) by William Herschel
NGC 1818
Discovered (Aug 3, 1826) by James Dunlop (234, 236)
NGC 1819
Discovered (Dec 26, 1885) by Lewis Swift (3-36)
The second IC lists a corrected RA (per Bigourdan) of 05 04 21.
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NGC 1820
Discovered (Jan 2, 1837) by John Herschel
NGC 1821
Discovered (Dec 26, 1885) by Francis Leavenworth (I-147)
The second IC lists a corrected RA (per Howe) of 05 05 25.
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NGC 1822
Discovered (Sep 24, 1826) by James Dunlop (235)
In this case, the identical Dunlop number for two different objects (NGC 1822 and 1826) can be attributed to one observation describing two separate objects (hence the "preceding of 2" and "following of 2" in Dreyer's description).
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NGC 1823
Discovered (Nov 12, 1836) by John Herschel
NGC 1824
Discovered (Dec 26, 1834) by John Herschel
NGC 1825
Discovered (1830's) by John Herschel
NGC 1826
Discovered (Sep 24, 1826) by James Dunlop (235)
In this case, the identical Dunlop number for two different objects (NGC 1822 and 1826) can be attributed to one observation describing two separate objects (hence the "preceding of 2" and "following of 2" in Dreyer's description).
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NGC 1827
Discovered (Nov 28, 1837) by John Herschel
NGC 1828
Discovered (Dec 23, 1834) by John Herschel
NGC 1829
Discovered (Dec 13, 1835) by John Herschel
NGC 1830
Discovered (Dec 23, 1834) by John Herschel
NGC 1831
Discovered (Aug 3, 1826) by James Dunlop (246)
NGC 1832
Discovered (Feb 4, 1785) by William Herschel
NGC 1833
Discovered (Nov 12, 1836) by John Herschel
NGC 1834
Discovered (Nov 11, 1836) by John Herschel
NGC 1835
Discovered (Sep 24, 1826) by James Dunlop (116)
NGC 1836
Discovered (Sep 27, 1826) by James Dunlop (175)
NGC 1837
Discovered (Nov 3, 1834) by John Herschel
NGC 1838
Discovered (Dec 30, 1836) by John Herschel
NGC 1839
Possibly observed (Sep 5, 1826) by James Dunlop (170?)
Discovered (Nov 23, 1834) by John Herschel
NGC 1840
Discovered (Nov 3, 1834) by John Herschel
NGC 1841
Discovered (Jan 19, 1836) by John Herschel
NGC 1842
Discovered (Dec 20, 1835) by John Herschel
NGC 1843
Discovered (Jan 17, 1877) by Édouard Stephan (8-17)
NGC 1844
Discovered (Nov 2, 1834) by John Herschel
NGC 1845
Discovered (Nov 24, 1834) by John Herschel
NGC 1846
Discovered (Nov 6, 1826) by James Dunlop (209)
NGC 1847
Discovered (Dec 15, 1835) by John Herschel
NGC 1848
Discovered (Nov 26, 1834) by John Herschel
NGC 1849
Discovered (Jan 3, 1837) by John Herschel
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