Star Cluster

 
 

M9(뱀주인자리 구상성단)

 
 

M4, Cat's eye cluster

[2013. 5. 11. 홍천군 방내리]
Telescope : 10 inch Newtonian(1200mm)
Camera : QSI 583wsg CCD camera
Mounr :NJP Temma2, Lodestar guide
Exposure :  300sec x 8ea,  R,G,B 200sec x 3ea(binning 2)

Image processed by Photoshop CS3 & MaxIm DL