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Pentax 645 300 mm ED f/4 lens
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15-12-2020, 09:49 PM
gregbradley
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Join Date: Feb 2006
Location: Sydney
Posts: 17,902
Thanks Lars.
These were all done at home in semi rural skies.
Narrowband filters are very effective in cutting out light pollution. These are Astrodon 5nm narrowband filters.
Greg.
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