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Equipment Discussions >> Observatories

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rlandsboro
super member


Reged: 02/23/12

Loc: Scottsdale, AZ. USA
Re: TamarackSkies Observatory build pics new [Re: stmguy]
      #6248408 - 12/12/13 07:22 AM

Quote:

I'd be concerned that the stone roof would act like a massive heat sink, they make high end wood stoves out of soapstone for a reason.
An aluminum shingle type roof might be a good compromise, it looks a bit like a slate roof and although the metal will heat up it will radiate that heat off very rapidly as the night cools down .
Norm




I had the same concern. But this project is in a resort community with tight parameters for exterior design and materials - so I could not always pick optimal materials to promote my hobby. I got over it .

The roof and stone cladding will be a heat sink. So I may need to develop some roof temperature profiles over time to help determine optimal times for imaging. Part of the fun .


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rlandsboro
super member


Reged: 02/23/12

Loc: Scottsdale, AZ. USA
Re: TamarackSkies Observatory build pics new [Re: Midnight Dan]
      #6248409 - 12/12/13 07:25 AM

Quote:

Just my 2 cents , but it seems like between the roof, the stone cladding on the rest of the house, the stone patio, and the driveway (not sure what material?) you'll have heat radiating out all around you. A little extra stone around the observatory itself won't make much difference. On the other hand, keeping the wife happy will make a BIG difference!

-Dan




Dan, you are a very smart man!


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TCW
professor emeritus


Reged: 11/05/13

Re: TamarackSkies Observatory build pics new [Re: rlandsboro]
      #6251660 - 12/13/13 08:20 PM

You will likely needs several hours if not until after midnight until things calm down. My best option is a roof top observatory but I have not done anything due to the heat sink issue.

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rlandsboro
super member


Reged: 02/23/12

Loc: Scottsdale, AZ. USA
Re: TamarackSkies Observatory build pics new [Re: TCW]
      #6252029 - 12/14/13 01:06 AM

Quote:

You will likely needs several hours if not until after midnight until things calm down. My best option is a roof top observatory but I have not done anything due to the heat sink issue.




I think you are right about the timing - and I'm OK with whatever it turns out to be. A lot of people do some pretty nice astronomy and imaging from some pretty challenging sites. I started this project with the belief that if you match your expectations, equipment, and targets to the conditions you have - then you can still get good results within the various windows of opportunity and time those conditions give you. But that's another thread

If you can determine the windows of time you have when your own conditions stabilize, and what you have when they do - you can make good decisions about committing your time, energy, and funds to a rooftop obs. There are jewels of wisdom in these forums for ingenious and no-cost ways to do this.


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Mary B
Vendor - Echo Astronomy and Electronics
*****

Reged: 05/21/10

Loc: Minnesota
Re: TamarackSkies Observatory build pics new [Re: rlandsboro]
      #6252709 - 12/14/13 01:47 PM

run a zigzag line of tubing under the stone roof, couple hours before dusk start running cold water through the line to cool the roof.

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rlandsboro
super member


Reged: 02/23/12

Loc: Scottsdale, AZ. USA
Re: TamarackSkies Observatory build pics new [Re: Mary B]
      #6253234 - 12/14/13 07:13 PM

Quote:

run a zigzag line of tubing under the stone roof, couple hours before dusk start running cold water through the line to cool the roof.




That's an interesting thought, thanks.


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HunterofPhotons
Pooh-Bah


Reged: 04/26/08

Loc: Rhode Island, USA
Re: TamarackSkies Observatory build pics new [Re: Mary B]
      #6254385 - 12/15/13 12:17 PM

Quote:

run a zigzag line of tubing under the stone roof, couple hours before dusk start running cold water through the line to cool the roof.




Really?
Besides being a waste of a resource, what happens if (when) the water freezes in the line?
Are people in Minnesota not familiar with burst pipes? <g>

dan k.


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Mary B
Vendor - Echo Astronomy and Electronics
*****

Reged: 05/21/10

Loc: Minnesota
Re: TamarackSkies Observatory build pics new [Re: HunterofPhotons]
      #6254759 - 12/15/13 04:22 PM

Antifreeze closed system

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rlandsboro
super member


Reged: 02/23/12

Loc: Scottsdale, AZ. USA
Re: TamarackSkies Observatory build pics new [Re: Mary B]
      #6292641 - 01/04/14 08:12 PM Attachment (11 downloads)

Finally getting the dome's base ring installed now. Here is a pic from the ground showing a bit of the rollers and guides

Edited by rlandsboro (01/04/14 08:27 PM)


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rlandsboro
super member


Reged: 02/23/12

Loc: Scottsdale, AZ. USA
Re: TamarackSkies Observatory build pics new [Re: rlandsboro]
      #6292645 - 01/04/14 08:14 PM Attachment (13 downloads)

Here is another pic showing the framed transition and observatory interior.

Edited by rlandsboro (01/04/14 08:17 PM)


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rlandsboro
super member


Reged: 02/23/12

Loc: Scottsdale, AZ. USA
Re: TamarackSkies Observatory build pics new [Re: rlandsboro]
      #6292648 - 01/04/14 08:16 PM Attachment (20 downloads)

Here is a pic showing a close up of the rollers and guides. The silver metal is part of the snow melt system. The colored wire will heat the silver metal and prevent snow build up.

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MHamburg
scholastic sledgehammer
*****

Reged: 06/21/06

Loc: Brooklyn, NY/Berkshires, MA
Re: TamarackSkies Observatory build pics new [Re: rlandsboro]
      #6294497 - 01/05/14 06:00 PM

That is a very impressive system. Let us know how it does with the snow which we have too much of already here in the Northeast.
Michael


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