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八级区42.2h的m89，m90，m58，暹罗双胞胎 星系群
Photographer
阳台
这个目标现在拍只能在后半夜最后两三个小时去拍，真的拍了好久。
Equipment
Cameraasi2600mm
Telescope/Lens80phq
Mountam5
Filter宇隆二寸LRGB
Shooting Data ( Shooting Date: 2024-12-27 )
Total Framesl180，r24，g25，b24
Exposurel30h，r4h，g4.2h，b4h
Other Info单张十分钟
Sky Coordinates
Right Ascension (RA)12h 36m 50.1s
Declination (Dec)+12° 18′ 44.7″
FOV Radius1.3327° (79.96′)
Pixel Scale1.296″/px
Rotation Angle99.43° E of N (Clockwise)
Parity正像
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