(FrameSize=60' * 60')


M16 = NGC6611 = Cr375 = Mel.198 (Open Cluster ),
Eagle Nebula: IC4703 (Bright Diffuse Nebula)
[Serpens]

Jun.12 1999, 25hr.11mim.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
M16 = NGC6611 = Cr375 = Mel.198
Type of objectOpen Cluster Typec
ConstellationSerpens
R.A.18h 18.8m (2000.0) Dec.-13° 47' (2000.0)
Mag.(v)6.4 Mag.(p)-
Diameter25' Distance5400 light-year
noteContaining about 55 stars




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