게성운
즐감~~~~!!
![](http://www.rc-astro.com/nebulae/images/m1_2003-01-31.jpg)
Technical Details
Optics 14" f/10 RCOS Ritchey-Chrétien Cassegrain,
Astro-Physics 0.75x Focal Reducer (yielding f/7.5).
Mount Takahashi NJP Temma 2.
Camera SBIG ST-10XME, CFW8.
Filters SBIG Standard RGB.
Date 30-31 January 2003.
Texas.
Exposure LRGB = 65:25:25:30 (5-minute sub-exposures, all unbinned).
Processing MaxImDL (combine), CCDSharp (two iterations), Photoshop (levels, curves, etc.).
즐감~~~~!!
![](http://www.rc-astro.com/nebulae/images/m1_2003-01-31.jpg)
Technical Details
Optics 14" f/10 RCOS Ritchey-Chrétien Cassegrain,
Astro-Physics 0.75x Focal Reducer (yielding f/7.5).
Mount Takahashi NJP Temma 2.
Camera SBIG ST-10XME, CFW8.
Filters SBIG Standard RGB.
Date 30-31 January 2003.
Texas.
Exposure LRGB = 65:25:25:30 (5-minute sub-exposures, all unbinned).
Processing MaxImDL (combine), CCDSharp (two iterations), Photoshop (levels, curves, etc.).