NGC6537
11.6 mag 10"
2025.Jun.19-Jul.25 C14
35cmF11+reducer F7 L: ZWO ASI294MM, Baader L filter 2sec*480
+ ZWO Halpha7nm filter 5sec*827 + Baader O-III 9nm filter
5sec*476, Color: R: Halpha image, G: O-III image, B: O-III
image + ZWO ASI224MC 2sec*752; total 149.7min
サイズは明るい中心部の値のようです
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