Quote:
Originally Posted by RB
Marc that's a great image of the Keyhole, I love the image scale on this.
Well done mate !
Just curious, did you take flats on this?
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Thanks Andrew. The image scale is approx 0.5 arcsec per pixel.
Yes I did take darks and flats. They didn't work too good - well spotted

. My A4 EL sheet is too small to illuminate the whole aperture. I made it for my 5" newt so I'll have to upscale that too.