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Originally Posted by rat156
Yeah, I have a tilt problem to sort out, the upper 1/4 of my images are hard to keep in focus, everything else is in focus, except the upper 1/4, shows up in the corners. You don't need full resolution to see it either. A problem to be sorted at another time, may require shimming something. I need to discover if it's in the camera/corrector or the focuser.
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Oh I forgot too.. most of the slight irregularity you see in my star shapes in that 100% Ha crop is because (shock horror and don't tell anyone) I partially layered in a star minimised version, acting just on the stars, to shrink them a tad further than the 12nm Ha filter supplies, so under very close scrutiny, the faint stars especially, do have that slight skew-iff shape characteristic of the minimum filter...hopefully most casual eyes will miss it
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Wanna lend me your scope??
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Why? they have the same optical sets made by the same manufacturer (unless you went with Lomo?) but mine is Ultra Grade
...only the corrector is different..oh and your secondary spider is double, err? and my focuser base has extra inner and outer tube bracing and I have three cooling fans
...but yours is black
and Red
Mike