Nebula
NGC2237, NGC2244(Rosetta Nebula, Open Cluster, 장미성운과 산개성단)
성운부분(nebular part )-NGC2237, 중앙 성단부분(center cluster)-NGC2244[2010. 2. 07. 강원도 홍천군 괘석리]Telescope : Sky 90 refractor Mount : EM-200 Temma2Camera : QSI583WS, QHY5 guideExposure Info. : Ha: 600sec x 4, RGB 300sec x2(binning 2) Image processing : MaxIm DL & Photoshop CS3