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Orion Nebula: M42 = NGC1976 (Bright Diffuse Nebula): the large Nebula located to center,
M43 = NGC1982 (Bright Diffuse Nebula): the small Nebula located to center,
NGC1977 (Bright Diffuse Nebula): the Nebula located to upper side,
NGC1981 = Cr73 (Open Cluster): the Cluster located to upper side
[Orion]

Nov.14 1998, 26hr.22mim.JST (8min. Exposure)
Location: the Kasuo Pass, Awano town, Tochigi pref., Japan
Epsilon210c (21cm-reflector, f=628mm, F:3.0), Fuji-film SGA800

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Object Data

M42 = NGC1976 Orion Nebula
Type of object	Bright Diffuse Nebula	Type	-
Constellation	Orion
R.A.	05h 35.4m (2000.0)	Dec.	-05° 23' (2000.0)
Mag.(v)	-	Mag.(p)	-
Diameter	66' * 60'	Distance	1500 light-year
note	-
M43 = NGC1982
Type of object	Bright Diffuse Nebula	Type	-
Constellation	Orion
R.A.	05h 35.6m (2000.0)	Dec.	-05° 16' (2000.0)
Mag.(v)	-	Mag.(p)	-
Diameter	20' * 15'	Distance	1500 light-year
note	-
NGC1977
Type of object	Bright Diffuse Nebula	Type	-
Constellation	Orion
R.A.	05h 35.5m (2000.0)	Dec.	-04° 52' (2000.0)
Mag.(v)	-	Mag.(pv)	-
Diameter	40' * 25'	Distance	1500 light-year
note	-

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