NGC 251

NGC 251 is a spiral galaxy in the constellation of Pisces. It was discovered on October 15, 1784, by Frederick William Herschel.

NGC 251
SDSS image of NGC 251.
Observation data (J2000 epoch)
ConstellationPisces
Right ascension00h 47m 54.031s[1]
Declination+19° 35 48.51[1]
Redshift0.015184[2]
Helio radial velocity4552 km/s[2]
Distance204.36 ± 12.64 Mly (62.657 ± 3.876 Mpc)[2]
Apparent magnitude (B)14.6[3]
Characteristics
TypeSc[2]
Size148,600 ly (45,570 pc)[2][note 1]
Apparent size (V)2.4 × 1.9[2]
Other designations
UGC 490, MGC+03-03-003, PGC 2806[3]

Notes

  1. POSS1 103a-O values used.

References

  • Media related to NGC 251 at Wikimedia Commons


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