NGC 7000

북아메리카 성운

 

[2011.10.02, 인제군 상남면]
-  Sky90 refractor &  reducer 500mm->408mm (F5.6-> F:4.5),
- Camera : QSI 583wsg
- Mount : Takahashi  EM-200 T2
- Exposure time : Ha_600sec x 6(binning1),  L_ 300sec x 3(binning1),  R,G,B_ 300sec x 4(binning 2)
- Image processed by MaxIm & Photoshop CS