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阿爾卑斯大峽谷中的月溪.

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想影阿爾卑斯大峽谷中的月溪.
Alpes valley and its Rima, 2019/10/09 HKT: 20h52m, Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.=400cm, Tele Vue 2x Powermate, finalfocal length is 800cm, Losmandy G-11 Equatorial Mount with motor drive. Camera QHY 5III 224 Color Cam, frame size 1280 x 960 px, Shoot at Gamma=112,Gain=45, Expo= 0.55ms/frame, frame rate=32-108 frames/sec, avi format, stackand process 89% best frames in 4297 frames,­ with Software AstroStackert 3 ,wavelet with RegiStax V.6 , Final tough by Microsoft Photo.  Atmospheric condition : Transparent : 8/10,Seeing : 7/10. Equipment borrowedfrom Mr. Ng. Photo taken at Kennedy Town堅尼地城, Hong Kong.
Alpes valley a.jpg
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