Nebula

NGC6888(Crescent nebula, 초승달 성운)

[2008.08.30  양구 국토정중앙 천문대]

Telescope : Pentax 105 SDHF, LPS P2, Fringe killer filter,
Mount :  Takahashi   em200 Temma2 ,  402guide
Camera :QHY8
Exposure Info. :600sec x 4, 300sec x 3 중심부 크롭
Image processeing :  MaxIm DL & Photoshop CS