Star Cluster

 
 

NGC457, NGC436( Owl Cluster,올빼미 성단)

 
 

NGC457, NGC436, 올빼미성단

[2013. 12.6. 벗고개, 양평]
Telescope : Takahashi Sky 90(405mm with reducer & flattner)
Mount : Takahashi EM200, Lodestar guide cam
Camera : QSI583WSG
Exposure : L-300sec 6ea, R,G,B - 200sec 3ea per each in 2binning 
Image processed by  Photoshop3