M100-NGC4321,NGC4312

(FrameSize= 60' * 60')

M100 = NGC4321 (Galaxy)
NGC4312 (Galaxy)
[Coma Berenices]

May.23 1998, 23h02mJST (8min. Exposure)
Location: the Happogahara, Yaita city, Tochigi pref., Japan

Epsilon210c (21cm-reflector, f=628mm, F:3.0), Fuji-film SGA800

M100-NGC4321,NGC4312

(FrameSize= 60' * 60')



Object Data
M100 = NGC4321
Type of objectGalaxy TypeSc
ConstellationComa Berenices
R.A.12h 22.9m (2000.0) Dec.+15°49' (2000.0)
Mag.(v)10.6 Mag.(p)10.1
Diameter5.3' * 4.5' Distance41 million light-years
note-




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