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NGC7538(left side), NGC7635(center),M52(right side)
[2010. 2. 07. 강원도 홍천군 괘석리]
Telescope : Sky 90 refractor
Mount : EM-200 Temma2
Camera : QSI583WS, QHY5 guide
Exposure Info. :Ha: 600sec x 4, RGB 300sec x2(binning 2)
Image processing : MaxIm DL & Photoshop CS3
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