IC4673  13.0 mag  16"

IC4673 photo

2021.Jun.02, 2025.Jul.25   C14 35cmF11  L: ZWO ASI294MM, IDAS NB1 filter 2sec*450 (+Gray-scaled color image), Color: +reducer F7 ZWO ASI224MC 2sec*1035; total 49.5min 


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