Guest Posted June 24, 2013 Share Posted June 24, 2013 A Light Pollution Reduction filter can be useful for some of the brighter deep sky objects. M101 grew to 3 times the size with one. Link to comment Share on other sites More sharing options...
dawson Posted June 24, 2013 Share Posted June 24, 2013 Is M101 brighter?!?!? James Link to comment Share on other sites More sharing options...
Guest Posted June 24, 2013 Share Posted June 24, 2013 Is M101 brighter?!?!? James Mag 7.9 is hardly naked-eye but is much brighter than the fainter Messier objects and much much brighter than most deep sky objects featured on many websites. Link to comment Share on other sites More sharing options...
angusw2 Posted June 25, 2013 Share Posted June 25, 2013 Mag 7.9 is hardly naked-eye but is much brighter than the fainter Messier objects and much much brighter than most deep sky objects featured on many websites.I found M101 one of the harder Messier objects to find due to its low surface brightness. I failed to see it in my 12" dob at both Belper and Wymeswold although the seeing may not have been the best when I tried and I done have a light pollution filter...yet. My experience is backed up by this guide:http://messier.seds.org/xtra/12months/m-may.html Dark skies and good seeing should make it visible in telescopes down to 3" aperture, it would be good to see how much difference LP filters make. Angus Link to comment Share on other sites More sharing options...
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