两张广域银河
Photographer
四子王旗大红山
广域银心区域。第三张由50mm f/1.8镜头拍摄，实际拍摄使用光圈f/4，曝光时长180s*16，4张暗场。
Equipment
CameraD7000
Telescope/Lens天虎 60ED
MountNeq6 (eq6 pro)
Filter无
Shooting Data ( Shooting Date: 2026-06-20 )
Total Frames13张
Exposure天鹅星云 120s; M20等 180s
Other InfoM20: 暗场 13张 并拍摄了平场; 天鹅星云未拍摄暗场平场。
Sky Coordinates
Right Ascension (RA)18h 19m 57.7s
Declination (Dec)-17° 14′ 21.2″
FOV Radius2.7622° (165.73′)
Pixel Scale3.420″/px
Rotation Angle276.34° E of N (Clockwise)
Parity正像
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