kem.kemC/2013 US10 (Catalina)
C/2013 US10 (Catalina), 2015/12/12.8528UT, 4*90s, 20cm F4.0 Newtonian, Nikon D7000 ISO6400, No Trimming, mag=明るすぎて測定不能
C/2013 US10 (Catalina), 2015/12/12.8528UT, 4*90s, 20cm F4.0 Newtonian, Nikon D7000 ISO6400, No Trimming, mag=明るすぎて測定不能