I note that Pegasus have just released an updated version of their Flatmaster the FlatMaster 250L which now comes with stated exposures of 2-3 seconds for 3nm filters "The Flatmaster 250L can go up to very high brightness levels so it can easily support short exposures (2-3 seconds at f/7) with...

Over 78 seconds for one Sii flat, and you don't think thats too long?
It would be nice if you could put out a firmware update to increase the brightness of this Flatmaster.
If the Flartmaster was good as you claim then why did you change the LED to a brighter one?

I agree Greg, the Flatmaster is terrible for NB flats - its way too dim. NB flats take forever to do my usual 30. Pegasus should bring out a firmware update to make the panel brighter. I'm seriously contemplating buying a different flat panel and selling my Pegasus Flatmaster which turns out to be a...

I have the same issue with my ASI1600 and the Flatmaster 250. Interested to know if this was resolved?