pegasus lacerta cygnus 8月 30, 2017 done on 29 Aug, 2017 ISO800 35 mm f/4.5 36 x 30 secs with dark frame light frame bias frame 閱讀完整內容
perseid meteor shower 2017 8月 12, 2017 13 Aug, 2017 02:14 AM meteor lying low in the picture, behind the trees 15mm f/4.5 ISO400, 15 sec Canon EOS760D background info: international meteor organisation 閱讀完整內容