Quote:
Originally Posted by Camelopardalis
My experience with the ASI178 (which is a smaller version of the 183 with the same 2.4 micron BSI pixels) and my Esprit 100 (=550mm) has shown me that I only get better resolution from the smaller pixels on nights of substantially above average seeing. The rest of the time, the 1600 collects signal faster, is easier to calibrate and can always be cropped.
A mate of mine has a 183 mono and I’ve seen some promising results from it, but the amp glow is a little shocking (especially at high gain and/or longer exposures) and requires more care to calibrate out.
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This was really helpful actually, thank you. I'm realising now that the benefit of higher resolution is really only gained on a "once in a blue moon" kind of night. Also that down the track when I get a larger/longer FL scope the 1600 will be a better fit.
I'm curious if you've ran into the microlens issue, that Atmos mentioned earlier, with your Esprit 100?