- LPR(광해)
- UV(자외선/적외선) + IR cutter => DSLR 천체 사진 촬영
- UHC/LPR (광해필터) = UHC-S Nebular, H-Alpha(565nm) 극대화, UHC: Ultra High
Contrast

천체사진 캐논 카메라 설정
http://www.covingtoninnovations.com/dslr/EOS300Dastro.html
http://www.astropix.com/HTML/I_ASTROP/SETTINGS.HTM
http://astronote.org/board/index.php?section=&print=&menu=7255&table
_name=photom&job=view&idx=24679&page=1&order=desc&sort=datetime&search_title=&search
_word=
or
http://etoiles.tistory.com/1

Astrophotography Techniques
http://www.astropix.com/HTML/I_ASTROP/TOC_AP.HTM

Digital Image Processing
http://www.astropix.com/HTML/J_DIGIT/TOC_DIG.HTM