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M27混入窄带版
Photographer
铁岭
在前一日宽带的基础上，混入第二天拍的双窄带信号，核心区域两侧弱信号有了明显的呈现。
Equipment
CameraQHYCCD268C
Telescope/Lens晴空α大黑
Mount蛙星天文FT20
Filter蛙星W1，Hα Oiii 6nm双窄带
Shooting Data ( Shooting Date: 2026-07-22 )
Total Frames69*600S
Exposure11.5小时
Sky Coordinates
Right Ascension (RA)19h 59m 36.0s
Declination (Dec)+22° 43′ 09.9″
FOV Radius0.3116° (18.70′)
Pixel Scale0.560″/px
Rotation Angle356.64° E of N (Clockwise)
Parity正像
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