Nebula
오메가, 백조성운(Omega or Swan nebula ) M17
[ 2016.03.11 양평군 단월면] Telescope : 6 inch newtonian reflecter(f/5) Camera : QSI 583WSG Mount : Takahashi EM11 temma 2 Exposure Info : Ha 600sec x 2, L 600sec x 1, RGB 300sec x 3 Image processing : MaxIm DL, Photoshop CS5