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猫眼星云
Photographer
承德市隆化县张营
挑战一下高难度目标，极暗的外围和极亮的核心，加上较小的视直径都是不小的难题。最终选择了租用较长焦距的c8远程台拍摄外围，在9级区的学校内用12寸dob搭配行星相机幸运成像拍摄了核心，最后经过处理得到了不错的效果
Equipment
CameraQHY268C+ASI585MC
Telescope/LensC8HD+信达DOB12
MountHEQ5
Filter5nm双窄带+UV/IR CUT
Shooting Data ( Shooting Date: 2025-03-28 )
Total Framesc8：252张，dob：11000张中选取1400张
Exposurec8单张300s，dob12单张0.5s
Sky Coordinates
Right Ascension (RA)17h 58m 33.6s
Declination (Dec)+66° 38′ 00.6″
FOV Radius0.3344° (20.06′)
Pixel Scale0.521″/px
Rotation Angle91.11° E of N (Clockwise)
Parity正像
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