kem.kem21P/Giacobini-Zinner
21P/Giacobini-Zinner, 2018/08/12.7284, 16*180s, 20cm F4 Newtonian, ASI1600MC-Cool(Bin=1, Gain=300, Temp=0), No Cropping, mag=7.8(SI7)
21P/Giacobini-Zinner, 2018/08/12.7284, 16*180s, 20cm F4 Newtonian, ASI1600MC-Cool(Bin=1, Gain=300, Temp=0), No Cropping, mag=7.8(SI7)