kem.kem21P/Giacobini-Zinner
21P/Giacobini-Zinner, 2018/11/10.7397, 8*180s, 20cm F4 Newtonian, ASI294MC Pro(Bin=1, Gain=390, Temp=0), 1/2 Cropping, mag=14.5(SI7)
21P/Giacobini-Zinner, 2018/11/10.7397, 8*180s, 20cm F4 Newtonian, ASI294MC Pro(Bin=1, Gain=390, Temp=0), 1/2 Cropping, mag=14.5(SI7)