本帖最后由 steveyzh 于 2014-8-17 18:10 编辑
VDB 141"幽灵星云"14小时曝光@若岩天文台
远程拍摄3天
这是第5次处理的版本。。。。。。
VDB 141 ghost nebula
@Ruoyan Observatory,Xinjiang,CHN
telescopes: Takahashi TOA-150
cameras: QHYCCD QHY 11
Mounts: Paramount MX
Filters: Baader LRGB 2"
Accessories: SBIG STI
Dates: May 31, 2014
Locations: Ruoyan Observatory
Frames: 42x1200"
Integration: 14.0 hours
Avg. Moon age: 2.11 days
Avg. Moon phase: 4.94%
RA center: 319.133 degrees
DEC center: 68.050 degrees
Pixel scale: 2.422 arcsec/pixel
Orientation: 18.271 degrees
Field radius: 0.806 degrees
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