Nebula

Bubble nebula site(SH20157, NGC 7538, M52, NGC7365, 버블성운지역)

[2014.11.18. 양평 벗고개]

Telescope : Sky90 retractor with 0.8 reducer
Mount : Takahashi EM-200 T2
Camera : SBIG11000M
Exposure : Ha : 600sec x 6.  R,G,B : 500sec x 5(binning 1)