Quote:
Originally Posted by RickS
Suavi has a 102mm f/7 with 0.8x reducer and ICX-814 sensor, IIRC. Compared with that, your system will be about 2.8 times faster at Ha wavelength. I have a simple spreadsheet model that takes into account aperture, % obstruction, focal length, optical efficiency, pixel size and QE.
Cheers,
Rick.
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Thanks Rick - so his image had a total integration time of 75600 secs and mine had 21300 secs so a factor of 3.5 difference. Interesting how much smoother Suavi's image looks.