To help, you can try the dark frame technique described here by astronomical photographer, Jerry Lodriguss.
你可以参考由本站天文摄影师JerryLodriguss提供的“dark frame”技术。
For astrometric purposes, dark frame and flat field calibration is recommended.
出于天文测量要求，暗场图和平场图校准是被推荐的。
A dark frame calibration is automatically applied to all CCD Images that are loaded thereafter.
此后载入的所有CCD图片将针对此暗场图片做校正。
A dark frame calibration is automatically applied to all CCD Images that are loaded thereafter.
此后载入的所有CCD图片将针对此暗场图片做校正。
应用推荐