Quote:
Originally Posted by The_bluester
I suspect the star colours in my helix might have been slightly better with 2 or 2.5 minute subs, I was using 5 minutes which makes the stretch easier but each sub had several hundred saturated pixels, obviously the brightest bits of the brightest stars. If the weather improves I might try the RGB again using shorter subs to see if the colour of brighter stars improves.
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Yes I think that would be a good strategy. I have been using 300 seconds for colour and sometimes that is too long. Fast optics and around 90% QE makes for rapid imaging.
Greg.