kem.kem21P/Giacobini-Zinner
21P/Giacobini-Zinner, 2018/07/19.6616, 8*180s, 20cm F4 Newtonian, ASI1600MC-Cool(Bin=1, Gain=300, Temp=0), 1/2 Cropping, mag=11.6(SI7)
21P/Giacobini-Zinner, 2018/07/19.6616, 8*180s, 20cm F4 Newtonian, ASI1600MC-Cool(Bin=1, Gain=300, Temp=0), 1/2 Cropping, mag=11.6(SI7)