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Dates & Location

3rd - 12th May 2011 using the SMAP site at Weed, New Mexico. Elevation 7269 ft. Lat 32.8°N Long 195.5W  

Catalogue identification

Sharpless SH2-136.
Ghost Nebula.

Equipment Used

Officina Stellare RC400 at 3278mm focal length, F8.2.
Paramount ME German equatorial Mount.
Camera SBIG ST-11000M with FW-5L filter wheel.
TheSky V6 telescope control.
CCDSoft V 5.0 camera control.
ScopeDome remote observatory.


Where it is in space

In the constellation of Cepheus near the plane of the Milky Way. vdB-141 is approx 1.4° East of the Iris Nebula or 2.3° South of Beta Cephei. In this image North is to the lower right.

Remote session using RADMIN PC control from Ravenshead, UK.
Exposures: 13 x 20min + 5x10min Luminance:90:90:90 mins R:G:B, using 10 min sub-exposures
-15°C. All images binned 1x1. AllC

  What it is

vdB-141 is alarge cloud of dust and molecular gas in our Milky Way galaxy. It appears to have the ghostly image because of the stars that are embedded inside it and which may have been born there. The unusual miniature ghosts have been shaped by radiation erosion of the edges of the cloud by nearby stars.

Processing Methods

Image acquisition and telescope control with CCDSoft V5/ TheSky6.  
  Data reduction with CCDStack. Lum and RGB masters and RGB colour combine prepared and in CCDStack.  

Final LRGB processing using PhotoShop CS2.