kem.kem21P/Giacobini-Zinner
21P/Giacobini-Zinner, 2019/01/06.5733, 8*180s, 20cm F4 Newtonian , ASI294MC Pro(Bin=1, Gain=390, Temp=0), 1/2 Cropping, mag=15.5(SI7)
21P/Giacobini-Zinner, 2019/01/06.5733, 8*180s, 20cm F4 Newtonian , ASI294MC Pro(Bin=1, Gain=390, Temp=0), 1/2 Cropping, mag=15.5(SI7)