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天鹅座广域两版
Photographer
赤壁村
首次尝试用135拍窄带，连怼两晚，135的素质估计就这样了，一个SHO，一个SH合起来做HOO
Equipment
CameraASI2600MC
Telescope/Lens三阳135
MountAM3
Filter安提拉3nmHaOIII黄金双窄 安提拉3nmSIIOIII双窄
Shooting Data ( Shooting Date: 2026-07-22 )
Total FramesHO36张，SO64张
Exposure8.3小时
Sky Coordinates
Right Ascension (RA)20h 14m 59.8s
Declination (Dec)+41° 07′ 23.1″
FOV Radius6.1336° (368.02′)
Pixel Scale6.660″/px
Rotation Angle69.30° E of N (Clockwise)
Parity正像
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