本帖最后由 1961isu152 于 2017-3-28 22:44 编辑
這個鏡子用來做窄帶攝影(Ha),呈現效果並不輸於同口徑APO,附上國外同好使用這鏡子拍攝的影像.
http://www.astrobin.com/full/268556/0/?real=&mod=
Technical card
Imaging telescope or lens: Bresser Messier AR-152S
Imaging camera: Moravian G2-8300 FW
Mount: Skywatcher EQ8 Pro
Guiding camera: Starlight Xpress Loadestar OAG
Software: PixInsight 1.8, PHD2 PHD 2.60
Filter: Astrodon H-alpha 5nm 31mm
Resolution: 3358x2536
Dates: Oct. 16, 2016
Frames: Astrodon H-alpha 5nm 31mm: 17x900" -25C bin 1x1
Integration: 4.2 hours
Darks: ~15
Flats: ~15
Bias: ~500
Avg. Moon age: 14.56 days
Avg. Moon phase: 99.95%
Astrometry.net job: 1286737
RA center: 13.294 degrees
DEC center: 56.587 degrees
Orientation: -177.583 degrees
Field radius: 0.858 degrees
Locations: Sternenklar, Jena, Thüringen, Germany
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