(FrameSize=60' * 60')

Omega Nebula: M17 = NGC6618 = Cr377 (Open Cluster & Bright Diffuse Nebula)
[Sagittarius]

Jun.12 1999, 25hr.32mim.JST (8min. Exposure)
Location: the Tochimoto square, Ohtaki village, Saitama pref., Japan

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


Object Data
M17 = NGC6618 = Cr377 Omega Nebula
Type of objectOpen Cluster
Bright Diffuse Nebula
Typec [C]

ConstellationSagittarius
R.A.18h 20.8m (2000.0) [C]
18h 20.9m (2000.0) [N]
Dec.-16° 11' (2000.0) [C]
-16° 11' (2000.0) [N]
Mag.(v)7.5 [C]
- [N]
Mag.(p)- [C]
- [N]
Diameter22' [C]
46' * 37' [N]
Distance3300 light-year
noteContaining about 35 stars [C]




To top page

mailto: piz@star.email.ne.jp