Imaging Date:   November 19th, 2017  -  Ha
                      November 12th, 2017  -  O3
                      December 17th, 2017  -  S2
                      October 28th, 2017 - RGB
Imaging Site:   Astrovillage,Korea
Telescope:  15 inch Newtonian reflector with Wynne Corrector
Mount:  AP EQ1200GTO
Guiding:   Off axis guide with STi
Imaging Camera:   QSI 683 wsg (-40C)
Imaging Software:  Camera Add On
Exposure:   Ha  1200sec X 7 (2X2)
                 O3   1200sec X 3 (2X2)
                 S2   1200sec X 6 (1X1)
                 RGB 600sec X6 (2X2)
                 1.HST  2.CFHT combine  ( Total 6hours 20min)
Processing Notes : CCDStack2 + PhotoshopCC

2017년 가을에 촬영한 사진을 최근 장마철에 처리했습니다.
마치 오래된 숙제를 하고 있는 느낌이 듭니다.