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GSO RC16测试开光-NGC 6946
Photographer
南方天文远程台-奇台站
艰难开光, 特別感谢宇航哥借出平场镜, 感谢智博和GAMES调试, 感谢教主
图3为Master L仅STF-HT拉伸
图4为Master RGB通道合成, 裁黑边STF-HT拉伸
图5图6为Master L未处理检测数据
整体问题不大, 未上遮光罩导致平场在边角未能完全校正, 调焦座压力还是有点大, 中天前后有一点轻微歪
Equipment
CameraPlayerOne Zeus 455M PRO
Telescope/LensGSO RC16LW + WO Flat Master 0.8x
Mount信达EQ8
FilterAntlia Dark LRGB+SHO 3nm Pro
Shooting Data ( Shooting Date: 2026-07-21 )
Total FramesL*4 R*4 G*2 B*3
Exposure1小时5分钟
Other Info单张300秒
Sky Coordinates
Right Ascension (RA)20h 34m 52.4s
Declination (Dec)+60° 09′ 13.1″
FOV Radius0.3183° (19.10′)
Pixel Scale0.298″/px
Rotation Angle270.25° E of N (Clockwise)
Parity正像
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