Star Cluster

M3(Globula cluster,  구상성단)

[2009.02.01. 횡성 온누리펜션]

Telescope :10 inch newtonian
Camera : QHY8 CCD
Mount : Takahashi  NJP temma2,  ST402me guide
Exposure Info :300sec x 4 (no filter)
Image Preocessed : MaxIm DL, Photoshop CS5, 위   : 100% size crop