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A couple of the big proms


Pete Presland

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Again form the weekend a couple of the big proms that put on such a good show.

Again with the Lunt 50mm and Asi120mm, but with a x2.5 Powermate/extension tube. Pretty tricky to get focus I think I might be pushing the focal length a little.

Delighted to get some close up images though with new scope. Not given up hope using the DMK21AU618 yet though.

All comments gratefully received as always.

post-5271-0-51088000-1440620252.pngpost-5271-0-67322400-1440620390.png

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Very nice images, Pete, that is great going for so early on :smiley:

I think the ASI120 has qutie small pixels, like my Grasshopper ICX687, so the 2.5x might be a bit more of an ask than for a cam with fancy large pixels. I wonder what the optics experts say though.

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