澄海(上) 與靜海(下) 的通道

C.L.Chan

旭日初升, 波瀾湧現

這裡是澄海(上) 與靜海(下) 的通道. 海中為黑色火山的玄武岩, 是大隕石撞擊後從內湧出鋪滿整個大圓坑, 平時看以為它波瀾不驚, 但在當地日光斜照下, 可以看到岩漿前進的先潮湧成的浪絞. 雖然今晚東北疾風視寧惡, 也拍幾張月球局部放大照片, 以免生疏拍攝及處理相片的技術. Gap between Sea of Clear(top one) and Sea ofScilent, UT 2022 03 09, 14h06m, Telescope TEC Maksutov-Cassegrain MC200/20,D=20cm, Tele Vue 2,5x Barlow lens, Effective Focal Length=10 meter, LosmandyG-11 Equatorial Mount with motor drive. Camera QHY 5III 224 Color Cam, Capturewith FireCapture, Shoot at Gamma=100, Gain=26, Expo= 4.9 ms/frame, 30 f/s, aviformat, stack and process 30% best frames in 902 frames by free SoftwareAutoStakkert 3, wavelet with RegiStax V.6, iL=2, L1=30, Final touch byMicrosoft Photo software. Atmospheric condition: Transparent: 8/10, Seeing: 7/10.Equipment borrowed from Mr. Ng. The photo was taken at Kennedy Town 堅尼地城, Hong Kong.