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天鹅座的发射星云sh2-116和sh2-115
Photographer
上海崇明
SH2-116(又称Abell71)是位于天鹅座的小型发射星云,距离地球约7500光年。它最初被误认为行星状星云,但光谱分析显示其实是电离氢区(H II区),属于恒星诞生的区域。SH2-116嵌于SH2-115发射星云复合体中,常和SH2-115一起观测。
拍摄设备:SH2-116:c8hd+0.7x+em31p+zwo2600mc;SH2-115:天虎60ed+0.8x+AM3+asi2600mc air
滤镜:宇隆双窄
累计曝光:2h
拍摄地点:上海崇明东滩
拍摄时间:SH2-116:2025年12月;SH2-115:2025年6月
Equipment
Cameraasi2600mc
Telescope/Lensc8hd
Mountem31p
Filter宇隆L-Ultimate 3nm
Shooting Data ( Shooting Date: 2025-12-27 )
Total FramesN/A
ExposureN/A
Sky Coordinates
Right Ascension (RA)20h 32m 23.4s
Declination (Dec)+47° 20′ 52.3″
FOV Radius0.4347° (26.08′)
Pixel Scale0.517″/px
Rotation Angle107.84° E of N (Clockwise)
Parity正像
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