玟瑰星雲

C.L.Chan

在台灣大雪山拍攝深空天體之十

玟瑰星雲 , 是一個行星狀星雲 , 星雲形成的疏散星團 , 居於星雲中央 , 恆星激發周圍的星雲發光 .

Rosette Nebula ,  2016/12/04, HKT 00h16m to 00h34m,

Canon ESO700D Camera, IR Low passfilter removed. Canon Zoom Lens EF 50-200mm, Set at  f.l. 200 mm, f/5.6, , ISO 1600, Exposure 120sec.  for each frame.  With motor drive Halley Equatorial Mounting.  Atmospheric  transparent : 7/10, Seeing : 8/10.Manual  Object Targeting. Processed andstacked by free soft- ware Deep Sky Stacker with 10 Light frames, 10 Darkframes, 10 Bias frames, 8 Flat frames. Post processing by Microsoft Office.Taken at台灣大雪山賓館 ,Tai Chung,Tai Wan