PK 238+7.2 (Sanduleak 2-21)
13.7 mag 40"
2022. Feb. 27 etc. C14 35cmF11+reducer F7 ZWO ASI294MM L: 2sec*28 + IDAS NB1 filter 5sec*685+3sec*54, RGB: Baader Planetarium RGB filter 5sec*366, 362, 2sec*840 total 149.3min
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