kem.kem
ファン登録
J
B
C/2015 ER61 (PanSTARRS), 2017/08/02.7717UT, 8*180s, GS200RC(20cm F8 Ritchey–Chrétien)+ x0.75reducer , ASI1600MC-Cool(Bin=1, Gain=300, Temp=0), 1/2 Cropping, mag=16.2(SI7)