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天津一广域
俺家楼顶
刚买的PI，大佬轻喷🥺🥺🥺
Equipment
CameraNikon D5100 bcf+冷冻天文改机
Telescope/Lens名扬MEYON 50ED 200mm
Mount手搓双17谐波赤道仪
Filter宇隆 3nm L-Ultimate 2英寸双窄带滤镜
Shooting Data ( Shooting Date: 2025-06-22 )
Total Frames亮场9张，暗场9张，平场和偏置场各5张
Exposure亮场，暗场300s，平场自动曝光，偏置场0.01s
Sky Coordinates
Right Ascension (RA)20h 20m 07.5s
Declination (Dec)+38° 58′ 25.9″
FOV Radius4.0110° (240.66′)
Pixel Scale4.920″/px
Rotation Angle64.53° E of N (Clockwise)
Parity正像
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