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IC 443水母星云
Photographer
吉林省榆树市
水母星云（Medusa Nebula），编号Abell 21，又称IC 443，是位于双子座的超新星遗迹，距离地球约1500光年或5000光年。该星云由大质量恒星超新星爆发形成.
Equipment
CameraQHY 268M
Telescope/Lens晴空 阿尔法
Mount艾顿 GEM45NUC-EC
FilterAntlia SHO 4.5nm
Shooting Data ( Shooting Date: 2025-12-23 )
Total FramesN/A
ExposureN/A
Sky Coordinates
Right Ascension (RA)06h 17m 15.9s
Declination (Dec)+22° 36′ 11.0″
FOV Radius1.1512° (69.07′)
Pixel Scale0.690″/px
Rotation Angle90.13° E of N (Clockwise)
Parity正像
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