NGC4490 茧星系
Photographer
兴隆天文台
NGC4490茧星系，用S50拍摄
Equipment
CameraS50
Telescope/LensS50
Mount无
Shooting Data ( Shooting Date: 2026-05-03 )
Total Frames50
Exposure20S
Sky Coordinates
Right Ascension (RA)12h 30m 47.7s
Declination (Dec)+41° 37′ 34.7″
FOV Radius0.7270° (43.62′)
Pixel Scale1.188″/px
Rotation Angle270.40° E of N (Clockwise)
Parity正像
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