Star Cluster

M4(전갈자리 구상성단)

[ 2016.02.11. 홍천 방내리]

Telescope : Televue Renaissance 101(F/5.4)
Camera : Takahashi EM 200
Exposure Info : L 500sec 3 frames, R,G,B 300sec 3 frames each
Image Preocessed : MaxIm DL, Photoshop CS5