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Re: 15" mirror cell

Paul, My 2000 vintage 17.5" TD used a metal plate with three large silicone blobs about 3/16" thick. Had no problems with the mirror moving and no stress on
Don Degidio
May 17, 2016

15" mirror cell

Hello, I just bought a 15" discovery mirror (one of the 2" thick older ones). I am planning on building a dob. Did the scopes use 3 point mirror cells? Thanks
May 17, 2016

Fw: new message

Hey! Open message waynebizzaca@...
Feb 15, 2016

Fw: new message

Hey! Open message waynebizzaca@...
Jan 31, 2016

Read this

hey As of right now I have lost 7 pounds with this amazing fruit! http://dhumketu.net/cb/
May 27, 2014
May 26, 2014

Re: Supernova M82 Observation

Re: Ray's observation with his 12.5 in: What eyepiece or magnification did you have? The first time I observed this SN, I could barely see a glint, due to
James Hammond
Jan 28, 2014

Supernova M82 Observation

I set up my trusty 12.5" Discovery dob and observed Supernova M82 just before midnight on Saturday night. The clouds cleared for long enough as I could see it
Jan 27, 2014

Re: Our new 17.5" TD

How did your experience with this scope go? What is it like on planets and DSO's? Does it hold collimation well? Thanks, I ... It made it!! And it's fine!! I
Nov 27, 2013

Re: Hello

Hello Michael...it's been a while since I've visited this site. Even though there hasn't been much activity for some time there IS a huge amount of great
Apr 28, 2013

Universe To Scale

http://htwins.net/scale2/ use left and right arrows
frank s
Apr 15, 2013


Hi everyone, I am waiting for the arrival of my new 12.5 split tube from Bill and thought I would benefit from your experience. I live in Michigan and any
Michael Dunnigan
Jan 22, 2013

Re: Thinking About Getting A Discovery DOB

I purchased a 14 inch, {one of the last}, tube type scope about 12 years ago. The scope came in completely destroyed box, which I thought would have ruined the
Gary Shannon
Nov 21, 2012

Re: Thinking About Getting A Discovery DOB

Hi Jim, I am not up to speed with the current Discovery Dob's but have owned a 17" truss dob from Discovery for many years. The optics seems to very good maybe
Jack Barnes
Nov 20, 2012

Re: Thinking About Getting A Discovery DOB

Hi Jim I have the 12.5 and the 17.5. I think maybe I can help you. The 12.5 is fairly heavy so be a bit careful there. Now my 12.5 was the old solid tube that
Mark Ost
Nov 20, 2012
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