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东面纱星云（缩星版）
Photographer
星迹云南香格里拉天生桥远程台
连续的晴夜下顺利拿到接近30小时的窄带数据，叠加后的信噪比很高，简单处理后发现这个天区恒星非常密集，因此做了星点遮罩，上传一个缩星的版本。
Equipment
CameraToupTek ATR2600M
Telescope/LensAskar 107PHQ
MountiOptron GEM45
FilterOptolong Ha SII OIII 3nm 36mm
Shooting Data ( Shooting Date: 2025-10-13 )
Total FramesR(7) G(8) B(7) H(82) O(87)
ExposureRGB(220mins) HO(1690mins)
Other InfoBias: 60 Dark: 120 Flat: 30(per filter) Dark(Flat): 30(per filter)
Sky Coordinates
Right Ascension (RA)20h 56m 03.5s
Declination (Dec)+31° 27′ 29.1″
FOV Radius1.0383° (62.30′)
Pixel Scale1.037″/px
Rotation Angle273.98° E of N (Clockwise)
Parity正像
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