NSAAC Loaner Telescope – 10″ Dob

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NSAAC has a Meade DS-10 10″ f4.5 Dob available to loan to club members.

Originally an equatorial mount instrument intended for visual and astrophotography use, it is was converted long ago to a Dob. It came in to the club’s possession when club founding member (and local comedian) Bob Seibel passed away. It was worked on by Ron Sampson with an upgraded spider/secondary.

Stored in Kevin Ackert’s attic for a while, it had a layer of dust and signs of a mouse checking out the mirror, as well as the telrad had fallen off. I cleaned the mirror (it has some small pinholes but is otherwise fine), remounted the telrad, added a 6×24 finder, and 4 plossel eyepieces (6, 12, 25, and 40 mm). Bryan Stone performed final collimnation and reported that on a star test that it was a good mirror. A slight astigmatism is present.

It’s been to a few events and has worked well, so I’m now ready to send it out in to the world. Loan period will be for two weeks, and extendable if nobody else is waiting. You’ll need to pick it up and return it to me in Andover (I’m close to RT 93 & 495) or at a club meeting. To reserve it email me and I’ll send you a form to fill in and sign. It lists what you’re getting, and that you take responsibility for it and any damage, etc.

For those new to the hobby and/or a Dob, I will provide training of sorts from my backyard when you come to pick it up. Of course with the weather being what it is might need to be a bit flexible about that.

Brewster LaMacchia


back of mirror from club 10" Dob ds10_IMG_20160423_205354 Club loaner 10" Dob Club loaner 10" Dob

The darker square was where the telrad was stuck down with double sided tape that had failed, when I took the tape off bits of tube came with it so I repainted the area, but only had black paint on hand. The telrad is now mounted with bolts.

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