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M81三重奏V2
Photographer
长岭天文台
第二版，控制了Hα的比例，不至于喧宾夺主；专门对高频噪声处理，减少nxt后的毛絮；针对m81边缘的亮度过渡处理，保证从核心到边缘亮度递减且和ifn衔接不突兀
Equipment
Camera图谱2600m
Telescope/Lens大黑F4.25
Mountneq6（莫佬精调）
Filter天蝎LRGB
Shooting Data ( Shooting Date: 2026-03-07 )
Total FramesN/A
Exposure50h+
Sky Coordinates
Right Ascension (RA)09h 58m 33.3s
Declination (Dec)+69° 13′ 51.8″
FOV Radius0.8646° (51.87′)
Pixel Scale0.895″/px
Rotation Angle89.46° E of N (Clockwise)
Parity正像
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