月球的邊緣

C.L.Chan

月球的邊緣因有大形隕坑的存在, 而不是平滑的. 日偏食期間, 女兒眼力好, 看到這景像, 下比較幾張照片, 現像不是大氣擾動所做成. 也是日全食時, 出現倍利珠 Balley’sBeads 的原因.

Sides of the Moon in Solar Partial Eclipse, HKT : 2020/06/21,15h44m to 16h10m, Telescope:Astro Physics, Star 12 ED, D=12cm, F.L.=102cm, Prime Focus,Thousand Oaks Glasssolar filter ND5. Losmandy G-11 Equatorial  Mount with motor drive. Canon EOS 300D camera,ISO 100, 1/4000 sec exposure.  AtmosphericTransparent : 8/10, Seeing : 8/10. Equipment borrowed from Mr. Ng. Location inthis observation is Kennedy Town , Hong Kong 堅尼地城.