蛇谷, 風大風也勁, 眼鏡蛇也出來曬太陽. Snake Valley, 2019/11/09 HKT: 19h02m, Telescope TECMaksutov-Cassegrain MC200/20, D=20cm, F.L.= 400cm, Losmandy G-11 EquatorialMount with motor drive. Camera QHY 5III 224 Color Cam, frame size 1280 x 960px, Shoot at Gain=40, Expo= 0.44 ms/frame, Gamma=112, frame rate=23 - 27frames/sec, avi format, stack and process 55% best in 802 frames, with SoftwareAutoStakkert 3 , wavelet with RegiStax V.6, final touch by Microsoft Photo,Atmospheric condition : Transparent : 8/10, Seeing : 6/10. Equipment borrowedfrom Mr. Ng. Photo taken at Kennedy Town 堅尼地城, Hong Kong.
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