Minkowski 3-3 (PK 221+5.1)
14.8 mag 12"
2022.Nov.18.etc. C14 35cmF11+reducer F7 ZWO ASI294MM L: 3sec*396 + IDAS NB1 filter 5sec*420, RGB: Baader Planetarium RGB filter 5sec*324, 328, 266, total 131.3min
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