Abell 2 (PK 122-4.1)
14.5mag 33"×29"
2023.Oct.31 etc. C14
35cmF11+reducer F7 ZWO ASI294MM, L: 3sec*464+2sec*797 + IDAS
NB1 filter 5sec*796, RGB: Baader Planetarium RGB filter 10sec*336,
226, 10sec*255+5sec*331 total 279.8min
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