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I wish I knew, it is powered by a 9VDC battery, has a red LED and a sensor that hangs out from the secondary.? I will try to look for a name brand when I disassemble again. Bob

I apologize if I missed this. What brand?

From what I see from the manual is that it only describes installation, no calibration instructions. Bob

Isn't there a manufacturers instruction sheet? Sent via NeuralBiolink

Our secondary quickly fogs up even a fresh 9VDC battery installed. When the dew heater sensor is warmed between two fingers, the red LED lights to show power is applied and the secondary try's to

Anyone have suggestions for what to use to remount my secondary heater once it and my primary come back from re-coating ?? I have a circuit board looking dew heater that has 6 little elements that

A wiffle tree mod would require an entirely new mirror cell…Aurora Precision mirror cells offer custom versions. I recently upgraded to the Glatter Sling- well worth it.

Thanks Jesse, good tips, will use them. Verzonden: zondag 31 oktober 2021 13:49 Aan: [email protected] Onderwerp: Re: [ObsessionUsers] Sling adjustment on obsession classic 18" Here is the

Hello Frédéric Thanks for the feedback. Good idea for the etalon. I’ve heard of the Howie Glatter sling as well as of whiffletree. Something to consider if it makes a significant difference. My

Hi Olivier, I own a classic 15 and UC22. All the indications are highly relevant but I add a few things from my own experience. As the mirror will be out for a while you might consider replacing the

Here is the other item. You might find getting the mirror back in is going to be a little bit of a chore with that sling getting in the way. I have found that if you pick one bolt at the top where the

Hello Linton, Thanks a lot for your informative reply – I’ll check those triangular mirror supports too. And I still have the original box in which the mirror was shipped. I’ll probably bring

Olivier, It’s much less of a problem than you may think. Slide the mirror away from the sling to give a little room to release the double sided tape from between the sling and the mirror edge (you

Hello I have since years (2008) a classic 18" Obsession and I just love it. But it's time to recoat the mirror and this makes me a bit scared to move the mirror in and out of the mirror box (although

Yes, my dew heater board lays on the secondary as well. I believe people are using Blue RTV Silicone to attach them and letting it cure for 48 hours under some mild heat from the dew controller. BTW,

I preferred the Kendrik dew heater as it lies flat against the back of the secondary. I wired it so it connects to the UTA that is wired from the ground board through a cable inside one of the truss

Good job! I also added the Glatter Sling to my 15” last summer . Pretty straightforward process, and Rob Teeter ( of Teeter Telescopes and who now makes the sling) was very helpful when I had

Hi Yes terry is a great guy , he did my 16” As well Check astrosystems for dew heaters Good luck! Paul

Well guys. I sent in the primary and secondary to Ostahowski for recoating the OMI mirror. I decided to just get her done !! She’s a 2005 and never been done. Terry there is real nice and very

A few years ago we had someone come to our dark sky site looking for help with a 10 inch dob he had bought. We helped him get set up and working. He had found the dried remains of a small raccoon on