Promoted
NGC4725与周边星场
创作团队共3位
星旅天文台
NGC4725是位于后发座的棒旋星系，距地球约4000万光年。与常见的螺旋星系不同，NGC4725具有独特的单悬臂结构。图中除了NGC4725,NGC4747和NGC4712这三个比较显眼的星系外，还有超长曝光下显现出的璀璨星场，展示宇宙的深邃。
Equipment
Camera莫拉维C5-100M
Telescope/LensASAH400
MountASA DDM100
FilterChroma
Shooting Data ( Shooting Date: 2025-03-01 )
Total FramesN/A
Exposure约21小时
Sky Coordinates
Right Ascension (RA)12h 50m 41.0s
Declination (Dec)+25° 40′ 25.3″
FOV Radius0.7309° (43.86′)
Pixel Scale0.807″/px
Rotation Angle61.91° E of N (Clockwise)
Parity正像
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