陽光初灑的虹灣

C.L.Chan

陽光初灑的虹灣, 上邊古老的山區是雨海環形壁的西北部份, 所以保留較早期撞擊的大隕坑. 紅灣的玄武岩漿平原, 相對就較年輕了, 沒有較大的隕石撞擊, 只有個別小坑. 虹灣因其酷似彩虹, 因而得名.

The Sun just raising at Sinus Iridum,2019/10/09 HKT: 21h20m,TelescopeTEC Maksutov-Cassegrain MC200/20, D=20cm, F.L.= 400cm, Losmandy G-11 EquatorialMount with motor drive. CameraQHY 5III 224 ColorCam, frame size 1280 x 960px, Shoot at Gain=45, Expo= 0.5ms/frame, Gamma=112, framerate=35-120 frames/sec, avi format, stack and process 30% best frames in 3930frames,­ with Software AutoStakkert 3 , wavelet with RegiStax V.6 ,   Atmospheric condition : Transparent : 8/10,Seeing : 7/10. Equipmentborrowed from Mr. Ng. Photo taken at Kennedy Town 堅尼地城, Hong Kong.