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M57 指环星云
Photographer
南方天文远程台-稻城站
M57 指环星云，HOLRGB
Equipment
CameraZWO ASI2600mm
Telescope/LensVIXEN VC200L
MountEQ6R
FilterAntila 3nm SHO LRGB
Shooting Data ( Shooting Date: 2025-11-12 )
Total Frames5min RGB各18. L24. 10min H24 O18
Exposure13h
Sky Coordinates
Right Ascension (RA)18h 53m 28.2s
Declination (Dec)+33° 02′ 51.3″
FOV Radius0.1826° (10.96′)
Pixel Scale0.433″/px
Rotation Angle222.20° E of N (Clockwise)
Parity正像
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