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Equipment Discussions >> Observatories

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Starhawk
Space Ranger
*****

Reged: 09/16/08

Loc: Tucson, Arizona
Re: Figuring Out Distance Between Two Piers in ROR. new [Re: PaulEK]
      #5772861 - 04/02/13 12:43 PM

I suggest another approach- look at a "Usage radius" for each telescope. This is equivalent to if you were to put it into a POD or other observatory, how big a circle is needed to use the scope?

Now, make a scale paper disk for putting them on a piece of graph paper. It is tempting to try this on a computer, but that is a mistake. You'll be taken with reusing a single rectangle even if your result is failing. With the paper disks, you'll be able to get to an answer very quickly.

Now, move them around and pay attention to space on their north and south sides. Since a lot of the interesting stuff is to the south, I suggest you may find putting the piers diagonally where the pier with the Newtonian is slightly north in the shed and the refractor is slightly south. The reason is where the observer has to stand . Thus, there is less competition between observers for position (e.g. the inter-pier distance would only be challenged if the refractor was pointed low to the northwest and the Newtonian was pointed to the southeast of the zenith at the same time, which there probably won't be a reason to do (or, if your observatory has the other handedness, reverse east and west in my example).

-Rich

Edited by Starhawk (04/02/13 12:50 PM)


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PaulEK
sage
*****

Reged: 05/25/08

Loc: Wisconsin
Re: Figuring Out Distance Between Two Piers in ROR. new [Re: Starhawk]
      #5773071 - 04/02/13 02:30 PM

Rich:

Excellent points, and this gives me some insight into how to go about doing the actual planning! For tonight's meeting, I don't need final plans, just an overall proposal with examples. I have the mounts and scopes (at least scopes close to what I'll use) in my garage. When the weather allows (it's April already, time for the snow to melt!), I'll set things up in my driveway and just get out the tape measure, keeping your points in mind.


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Starhawk
Space Ranger
*****

Reged: 09/16/08

Loc: Tucson, Arizona
Re: Figuring Out Distance Between Two Piers in ROR. new [Re: PaulEK]
      #5775114 - 04/03/13 10:02 AM

I look forward to hearing how this goes.

-Rich


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PaulEK
sage
*****

Reged: 05/25/08

Loc: Wisconsin
Re: Figuring Out Distance Between Two Piers in ROR. new [Re: Starhawk]
      #5775431 - 04/03/13 12:13 PM

So far, everything is going fine. Everyone on the committee was quite supportive. Their biggest concern was not whether to do it, but how to go about funding it. There are science grants to look into (the superintendent brought those up, and the facilities director said he was already in touch with teachers who were already on that). Folks were also concerned about insurance, but that was cleared up (the classroom out there has never suffered from any vandalism, the biggest concern; and our insurance will cover this, if we do it right).

So step one went well!


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