M57指环星云
Photographer
洞头婚纱摄影基地
没改机，红圈完全看不出来，下次再努力
Equipment
Camera Nikon D5100
Telescope/Lens 小黑
Mount HEQ5
Shooting Data ( Shooting Date: 2022-04-09 )
Total Frames5
Exposure2min
Sky Coordinates
Right Ascension (RA)18h 53m 34.4s
Declination (Dec)+33° 01′ 47.7″
FOV Radius0.2770° (16.62′)
Pixel Scale1.314″/px
Rotation Angle108.69° E of N (Clockwise)
Parity正像
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