NGC6905
10.9 mag 47"~37"
2023. Jul. 21 etc. C14 35cmF11 L: ZWO ASI294MM 2sec*190+1sec*212 + IDAS NB1 filter 2sec*411+1sec*595, Color: ZWO ASI224MC 2sec*722+1sec*325 total 62.9min
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