疊月全食時相

C.L.Chan

月全食時月亮紅色 , 紅光波長較長 , 所得照片一般沒有白光的清晰 , 在全食時連拍8張照片 , 用軟件疊相 , 以增加清晰度 .

SuperBloody Blue Moon ,  2018/01/31,  HKT 21hm , Telescope: Astro Physics, Star 12ED, D=12cm, F.L.=102cm, Prime Focus , Losmandy G-11 Equatorial Mount with motordrive. Canon EOS 700D Camera , IR Lowpass filter removed.  ISO200, 4 to1/125 sec exposure. CRW Format.  AtmosphericTransparent :7/10, Seeing :7/10. Stack 7 frames by Registax and colouradjustment by GIMP.  Equipment borrowedfrom Mr. Ng. Taken at Kennedy Town, 堅尼地城Hong Kong .