Messier 81 (left) and Messier 82 (right) in Ursa Major

2006 March 4-5th  from my back garden in Leigh on Sea, Essex, UK
Televue TVNP101 100mm APO refractor 540mm fl.
Sbig ST4 autoguider
Starlight Xpress HX916 CCD camera
IDAS LPR filter with True Tech RGB colour filters
LRGB image L60mins 1x1, R30mins 1x1, G30mins 1x1, B30mins 1x1 all 5min sub exposures.

The observatory is heavily light polluted. The sky was clear, still and very frosty.  The images were secured between 23.30 GMT and 3.00 GMT. First Qtr Moon about 20degrees from field was causing some light problems.

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