(FrameSize=-' * -')

Trifid Nebula: M20 = NGC6514 (Bright Diffuse Nebula): the nebula of light located to center,
M21 = NGC6531 = Cr363 = Mel.188 (Open Cluster): the cluster located to upper side

Jun.20 1998, 24hr.49mim.JST (8min. Exposure)
Location: the Kasuo Pass, Awano town, Tochigi pref., Japan

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

Object Data
M20 = NGC6514 Trifid Nebula
Type of objectBright Diffuse Nebula Type-
R.A.18h 01.9m (2000.0) Dec.-23° 02' (2000.0)
Mag.(v)- Mag.(p)-
Diameter29' * 27' Distance2200 light-year
M21 = NGC6531 = Cr363 = Mel.188
Type of objectOpen Cluster Typed
R.A.18h 04.8m (2000.0) Dec.-22° 30' (2000.0)
Mag.(v)6.5 Mag.(p)-
Diameter10' Distance3000 light-year
noteContaining about 50 stars

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