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NGC4631星系群
Photographer
圣地牛棚
NGC4631星系群由NGC4631（“鲸鱼星系”, 当中包含一个矮椭球星系NGC 4627）与交互作用星系NGC 4656和NGC 4657（“曲棍球棒星系”）组成
Equipment
CameraQHY268M
Telescope/Lens10吋F4莫牛
MountCEM70G
FilterScorpio LRGBSHO 3nm
Shooting Data ( Shooting Date: 2026-03-20 )
Total FramesL*79 R*46 G*44 B*45
Exposure35小时40分
Other Info单张600秒
Sky Coordinates
Right Ascension (RA)12h 43m 01.2s
Declination (Dec)+32° 20′ 47.2″
FOV Radius0.7990° (47.94′)
Pixel Scale0.772″/px
Rotation Angle90.36° E of N (Clockwise)
Parity正像
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