While doing a pier-3 spring clean, I noticed that a lot of LRBG for normal/bright objects are in at 300 seconds, this is not need on a scope that's a mega fast F/3.6 with a CMOS sensor. 60-180s depending on the object are more than enough. Plus CMOS works better for noise with more shorter exposures

Yes in some cases like dark nebula etc these will require longer subs but on the whole most don't require 300s

It also has the added advantage that the scope runs unguided upto 180s so you get more subs done per hour because its running more efficiently :)

HTH

Steve