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2025/07/14 DAPH
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Daily Astronomy Photograph


M20三叶星云-HaRGB
赤壁村
人马座M20星云(三叶星云)是位于人马座的发射星云,距离地球约5200光年。因其尘埃带分割成三瓣而得名,是恒星形成区,中心有年轻高温恒星激发氢氧发光,呈现红蓝交织的绚丽景象。直径约50光年,小型望远镜可见,是夏季热门观测目标。素材来自兔佬
Equipment
CameraASI294MM pro
Telescope/LensCelestron EdgeHD 9.25“
Mount布偶猫20Pro
Filter宇隆LRGBH
Shooting Data ( Shooting Date: 2025-06-27 )
Total FramesHa18 R20 G16 B20
Exposure单张300秒 共计6小时10分
Sky Coordinates
Right Ascension (RA)18h 02m 39.4s
Declination (Dec)-22° 57′ 21.7″
FOV Radius0.3841° (23.05′)
Pixel Scale0.579″/px
Rotation Angle335.54° E of N (Clockwise)
Parity正像
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