Strange story. structural design flaws in your telescope? Elaborate the "structural design flaws" that prevent the M3 to work correctly? If the encoders works...
... Johan, there are many posts centering around message 12325 that document the effort to get to the bottom of the problem. Many questions, trial and error...
Hello everyone. I am new to the group and a new owner of a 12.5" split tube Discovery scope. I have noticed that the placement of the primary mirror is not...
Welcome zap72751, If you use digital setting circles or some kind of computerized pointing device a mirror that is way off center can cause a pointing error...
Hi Chris, Thanks for your quick reply. No, I do not use digital setting circles or any type of goto device. Yoy are correct about my measurements not being...
Hi Just wanted to let everyone know that I got my 17.5" f/5 PDHQ on March 26th 2009 after 19 months of waiting (order placed on 9th August 2007) It had its...
Hello Does anyone here have a photo of Discovery DSC (Model 3) that you can email me.I'm looking into different computers for my scope but it's been hard to...
Bruce, You should consider the Argo Navis from Wildcard Innovations. http://www.wildcard-innovations.com.au/ Don ... From: "bruce benda" <taurusx_99@...>...
Hello, I'm glad to hear you finally have your telescope! I have the same scope and I just love it! I'm sorry it took so long for you to get it but now you have...
Bruce, I agree with Don. You should consider the Argo Navis. The reason you can't find anything on the Discovery is because they are not made by Discovery....
... The Discovery M3 is a re-badged NGC-MAX from JMI. If you search the web for NGC-MAX, you'll learn its capabilities and what it looks like. Ken.......
... Hello Johan, Thanks for the photo that's just what I was looking for.I exhanged emails with Bill at discovery a basically they are JMI Max with the...
Bruce, Yes, it is! A nice OEM! But seriously, the M3 or the NGC Max is a good honest locator tool. They are not the best but they serve their purposes very...
I had a similar problem and used Permatex - Threadlocker - Medium Strength on the bolt and that fixed the problem. There are a variety of products out there....
And what sayz the Opt Website about the primary??? "diffraction-limited 8" f/9 Ostahowski primary mirror" Very nice telescope indeed however, the open...
Hi I got a Discovery 17.5" f/5 PDHQ recently, and that's my first large dob (made a jump after a handmade 8"). Of course, there's a world of new things I'm...
Could it be, it's out of collimation??...Gar ... From: Akarsh Simha To: DDU Sent: Thursday, May 28, 2009 6:36 AM Subject: [DDU] Discovery 17.5" performance Hi ...
At 400X collimation is critical indeed. How are the views at 250? On the Dutch astroforum there is that guy (Nop) who had the same issue. Let me check what he...
... Thanks Johan, Gar. Very much possible that it was out of collimation, considering that I forgot to check the collimation after a long journey that it had...
Sure, any amount of humidity, smoke, clouds, or any other weather related conditions can effect viewing. Also, you mentioned the "Pillers of Creation". They...
After having a 17.5"f/5 Discovery split tube. I can tell you that even if you move it a little you will need to check the collimation. I have a 16" and 12.5"...
That should read, there still a good deal. I also sold my 17.5" and that was a bad move. **************We found the real ‘Hotel California’ and the...
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