Nebula

Bubble nebula (NGC7635)

[2009. 12. 14. 파주 파평산]
Telescope : 10inch Newtonian
Mount : Takahashi NJP 200 temma2
Camera :  QSI583WS, QHY5 guide
Exposure Info : Ha 600sec x 5
Image processing : MaxIm DL & Photoshop CS 3