Quote:
Originally Posted by AlexN
I beg to differ... I've seen the results of shooting IC434 through a C11 with a QHY8 @ F/10 and at F/6.3... 10 minute exposures struggle to bring out the fainter nebulosity, I've seen 30second subs of IC434 through a C11 with Hyperstar and the results are amazing...
This is however, a conversation for another thread rather than trashing up Toms thread...
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Shooting at lower f/ratios (lower FL) results in a larger pixel scale and camera noise less obvious on faint objects. The fainter nebulosity may appear to be smoother but you are not going any deeper.
Regards
Steven