kem.kemC/2021 T4 (Lemmon)
C/2021 T4 (Lemmon), 2022/08/27.7177, 16*60s, 20cm F8 RC + x0.75RD, ASI294MC Pro (Bin=1, Gain=390, Temp=0), Square Crop, mag=17.1(SI9)
#84897
2022年8月28日 2時5分31秒
露出 960秒
竜門ダム
1200mm
C/2021 T4 (Lemmon), 2022/08/27.7177, 16*60s, 20cm F8 RC + x0.75RD, ASI294MC Pro (Bin=1, Gain=390, Temp=0), Square Crop, mag=17.1(SI9)