Quote:
Originally Posted by codemonkey
It's possible it was temperature related, but I have never seen such a shift on any one of my scopes, and I doubt the temperature shift was that much different. Given the other issues with the focuser, I think that's the likely culprit.
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The main reason I threw the temperature thing out there is because I'd spoken to a few others at AF who were using temperature-sensing motorised focusers to solve exactly the same problem...and mine was the only Esprit on the field
Yeah looks like the blue is usually sacrificed on a doublet, probably not the greatest if you want to capture some OIII
