NGC 2254

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Open star cluster
NGC 2254
NGC 2254.jpg
AladinLite
Constellation unicorn
Position
equinox : J2000.0
Right ascension 06 h 43 m 49.6 s
declination + 07 ° 40 ′ 24 ″
Appearance

classification I2p
Brightness  (visual) 9.1 mag
Angular expansion 6.0
Physical data

distance  7700 ly
(2364 pc )
history
Discovered by William Herschel
Discovery time December 28, 1788
Catalog names
 NGC  2254 • C 0633 + 077 • OCl 500 •  Cr  103 • Lund 234 •  GC  1432 •  H  VII 22 •  h  397 •

NGC 2254 is an open cluster of Trumpler type I2p in the constellation Unicorn south of the celestial equator . It has a diameter of 6  arc minutes and an apparent magnitude of 9.1 mag.

The object was discovered on December 28, 1788 by William Herschel .

Individual evidence

  1. NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b SEDS : NGC 2254
  3. WEBDA
  4. Seligman