2023/06/07 RDAPH
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Remote Daily Astronomy Photograph
礁湖与三裂星云
Photographer
云南紫溪天文台大姚站
在上一版LRGB的基础上额外混了6个小时的Ha信号，由于本身M18和M20的颜色信息比较丰富，并不想破坏它本身的颜色，因此只是着重在背景上加强了Ha的颜色信息
Equipment
CameraASI294MM
Telescope/Lens天虎80apo
Shooting Data ( Shooting Date: 2023-06-02 )
Total FramesN/A
ExposureLRGBHa累积26h
Sky Coordinates
Right Ascension (RA)18h 03m 15.3s
Declination (Dec)-23° 52′ 55.4″
FOV Radius1.3453° (80.72′)
Pixel Scale0.984″/px
Rotation Angle309.11° E of N (Clockwise)
Parity正像
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