273p 20120406 relf

 Canon EOS 5D MkII, ISO 6400 
254mm aperture Newtonian f/4.8 (f = 1200mm) 
HEQ5 mount, driven but not guided 
61 x 64s = 65 minutes total exposure 
2013 April 6 21:33:12-22:54:57 UT 
From Rookhope, Co.Durham, UK 
Processed in my own GRIP software 
 
North is to right, preceding downwards 
 
This image covers a region approx 25.8 x 18.4 arc minutes 
The brightest star crossing the top edge is TYC 3859 1463 1, mV 11.11 
 
The exposures were taken through a gradually worsening veil of thin cloud which made the processing very difficult 
20130406 Graham Relf