太陽系、深空、觀測記錄 20151123 C/2013 X1(PanSTARRS) with N891 2015-11-23 admin C2013x1 C/2013 X1(PanSTARRS) with N891 nebula Null filter 120s * 10 frames. Alluna RC 16″ STL-11k PM-ME