天鹅座广域
Photographer
骊山
天气不好，光害强，没改机拍了1小时。极低信噪比也掩盖不了天鹅座壮观的Hα结构
Equipment
Camera索尼 Sony A7R2（ILCE-7RM2）
Telescope/Lens适马 Sigma 70-200/F2.8 DG DN OS
Shooting Data ( Shooting Date: 2025-08-02 )
Total Frames106
Exposure1小时
Sky Coordinates
Right Ascension (RA)20h 48m 36.0s
Declination (Dec)+45° 01′ 32.6″
FOV Radius16.2674° (976.05′)
Pixel Scale16.194″/px
Rotation Angle147.49° E of N (Clockwise)
Parity正像
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