刻卜勒隕坑

C.L.Chan

刻卜勒隕坑(半光半黑的一個)及它拋出輻射紋.

Crater Kepler, 2019/09/10 HKT: 21h44m,Telescope TEC Maksutov-Cassegrain MC200/20, D=20cm, F.L.= 400cm, LosmandyG-11 Equatorial Mount with motor drive. Camera QHY 5III 224 Color Cam,frame size 1352 x 1000px, Shoot at Gain=48, Expo= 0.17ms/frame, Gamma=112, framerate=31-108 frames/sec, avi format, stack and process 30% best frames in 4571frames,­ with Software AstroStackert 3 , wavelet with RegiStax V.6 ,   Atmospheric condition : Transparent : 8/10,Seeing : 7/10. Equipment borrowedfrom Mr. Ng. Photo taken at Kennedy Town堅尼地城, Hong Kong.