Kohoutek1-20  (PK110-12.1)  16.5 mag  36"

K1-20 photo

2023. Aug. 06 etc.  C14 35cmF11+reducer F7,  ZWO ASI294MM L: 2sec*591 + IDAS NB1 filter 5sec*1162, RGB: Baader RGB Filter 5sec*282, 427, 495 total 216.8min


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