Arp272 and Hercules Cluster
2024.May.17 etc. C14
35cmF11+reducer F7, ZWO ASI294MM L: 5sec*3925+2sec*851,
RGB: Baader Planetarium RGB filter 10sec*512, 475, 547
total 611.1min
Arp272 and Hercules Cluster
2020.Jun.25 etc. C14
35cmF11+reducer F7 ZWO ASI294MC 10sec*1665 total 277min