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For what it’s worth I’d ask Dave Kriege what he puts on his UC line. I have his UC22. What he used looks similar to Ebony Star in both color and surface. Tom

All, Found the Swan Nebula M17 in the gap of my trees over my neighbor's house. Richard

One of your best. Congrats. Jim

My UC18 + DS10cTEC + LeNhance filter with ServoCAT tracking found M16 in the gap of my trees over the neighbor's house. Richard

Any other decent replacement known to work? Greg W [email protected]> wrote:

All, Having fun with my: UC18 LeNhance filter DS10cTEC ServoCAT Need a tree guy to take out a few Oak trees to my south.

Ebony Stat was just the color. it was the '50' finish that made it work, and apparently, the -50 finish is not offered anymore. Read this... Ebony Star 4552-50 discontinued...alternatives? - ATM,

I have an Obsession 20” Classic F5 that is experiencing loss/breakage of the Ebony Star strips on the bearings.? I know that Ebony Star has been discontinued for production and is NO LONGER

The UC18 + ServoCAT + DS10cTEC + LeNhance filter enables astrophotography. Here is the Eastern Veil Nebula NGC 6962. Richard

Don't do what I did and try to image near the zenith.? The ServoCAT tracking is a bit jerky near the zenith.? If you get 5 or so degrees away from the zenith the ServoCAT tracking really improves.

UC18 + DS10cTEC + ServoCAT + LeNhance filter + 250 second exposure.

Hi Richard, nice picture and you got the diffraction spikes of JWST, classy :-) Frédéric

All, The SunFlower galaxy is a fun target for the UC18 and DS10cTEC camera. Gota love galaxy season. Richard

Thank you for the replies. I remember my eyebolts being bigger than 1/4". So I pulled the scope out of storage and measured them. For those interested in Obsession minutia, the eybolts on my classic

You should be able to find one at McMaster Carr. -- Mike B

I have a 2006 25” and replaced 2 of mine from Home Depot with eye bolts. I can’t remember but it may be this. It took a few tries. 1/4 in.-20 x 2-5/8 in. Stainless Steel Eye Bolt I know it’s not

OIf you need a new one you might be able to get one from DAave. Chris

Anyone know the thread pitch and diameter of the eyebolts used by the wheelbarrow handles on a classic 25" obsession?

Thanks very much for sharing. My new 15 UC just arrived and the digital copy of the manual is appreciated. Tom

Hi Richard, and everyone who made helpful suggestions.? First I increased the Alt axis limit from 60 to 80 and transferred this updated file in the configuration program to the scope. Then I've just