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Hi All,
Seeing in Melbourne suburbs is pretty crap pretty much most of the time, my FWHM varies between 2 and 4 arc seconds, or pixels, as I image at about 1"/pixel.
I can only dream of sub-arcsecond seeing.
Still you can achieve nice pictures with heaps of detail even with crappy seeing. Narrowband imaging helps for nebulae, but not so much for galaxies, though except for some of the very bright ones, I've pretty much given up on galaxies, too much light pollution.
Cheers
Stuart
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