Promoted
M31仙女星系
Photographer
新疆伊犁
M31仙女星系，LRGB是在4000多公里外伊犁恰西草原打野拍摄累积2.5小时，回家后断断续续补拍了7.5小时Ha，比之前2小时Ha那版增强不少。
Equipment
Camera振旺 ASI2600MM
Telescope/Lens锐星 FRA400
Mount小熊 谐波赤道仪
Filter宇隆LRGB
Shooting Data ( Shooting Date: 2023-07-24 )
Total FramesL35张×180S RGB各5张x180S Ha45张×600S
Exposure10小时
Sky Coordinates
Right Ascension (RA)00h 42m 50.2s
Declination (Dec)+41° 17′ 05.4″
FOV Radius1.3284° (79.71′)
Pixel Scale1.547″/px
Rotation Angle274.88° E of N (Clockwise)
Parity正像
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