You might find you actually want better sensitivity rather than longer exposure times. Unless you really do want the stars to go from being points to being lines (well, arcs). :P
Also, long exposure noise reduction (black-field subtraction) tends to go awry with longer exposures...
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Date: 2006-02-28 01:43 pm (UTC)Also, long exposure noise reduction (black-field subtraction) tends to go awry with longer exposures...