m42猎户座大星云
Photographer
大幕乡
iso 800 20s →40min 4.2级光污染
无导星 后半夜月亮已升 目标20度
无校准场
无mpcc
jpg格式弄后期
Equipment
Camera尼康D5100 bcf
Telescope/Lens信达小黑F5
MountEQ3D
Shooting Data ( Shooting Date: 2025-08-16 )
Total Frames100张
Exposure20s
Sky Coordinates
Right Ascension (RA)05h 35m 16.0s
Declination (Dec)-05° 23′ 09.7″
FOV Radius1.0580° (63.48′)
Pixel Scale1.317″/px
Rotation Angle8.74° E of N (Clockwise)
Parity正像
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