Galaxy

M101 ( Pinwheel galaxy, 소용돌이 은하 )

[2012. 4. 27. 경기도 파주시 파평산]

Telescope : 10inch newtonian(f/4.7), SW comma corrector
Camera : QSI 8300wsg, QHY5 guide camera,
Mount : Takahashi  NJP T2
Exposure time :   L_ 500sec x 2(binning1),  R,G,B_ 200sec x 2(binning 2)
Image processed by Maxim DL & Photoshop CS3