Abell 4 (PK 144-15.1)  　14.8mag  22"

Abell4 photo

2023.Nov.01 etc. C14 35cmF11+reducer F7  L: ZWO ASI294MM 5sec*388 + IDAS NB1 filter 5sec*1345, Color: ZWO ASI224MC 10sec*184 total 175.1min

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