just to add however, The mono will require 3 times the capture time and 3 times the processing in order to get the full result... Take that into account.
From what I understand the mono is more sensitive, so for guiding it will pick up fainter stars than the color versions will....
Those two bits of information make the decision harder in my opinion..
(Im looking at a DMK/DBK in the not too distant future..)
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