澄海的出海口

C.L.Chan

右邊是澄海, 這裡是它的出海口通住風暴洋. 照片最上邊較大的一個是卡西尼隕坑.

Passage of Sea of Clear(right) to Ocean ofStorm, 2019/10/18 HKT: 23h48m, Telescope TEC Maksutov-Cassegrain MC200/20,D=20cm, F.L.= 400cm, Losmandy G-11 Equatorial Mount with motor drive. CameraQHY 5III 224 Color Cam, frame size 1280 x 960 px,Shoot at Gamma=112, Gain=40, Expo= 0.45ms/frame, frame rate=50-107 frames/sec,avi format, stack and process 25% best frames in 2612 frames, with SoftwareAutoStakkert 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.