M101
下八里
年前拍摄，年后才后期。
Equipment
CameraASI2600MC
Telescope/Lens信达老黑F4.8
Mount晴空ST20
Shooting Data ( Shooting Date: 2026-02-13 )
Total FramesLRGB：98张Hα-OIII：42张
ExposureLRGB：8.16hHα-OIII：3.5h
Sky Coordinates
Right Ascension (RA)14h 02m 55.3s
Declination (Dec)+54° 21′ 00.5″
FOV Radius0.5712° (34.27′)
Pixel Scale0.750″/px
Rotation Angle175.11° E of N (Clockwise)
Parity正像
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