Plans
I went through a long and arduous design process, at various times thinking
about extreme changes from Starwood Observatory. At various
times these included:
- A slightly raised roll-off observatory, with our garden shed
filling in the open gantry of the roof run.
- A two-storey observatory, with a split roof like
Starwood. This would allow me to cantilever the roof rails,
without a run, and have a warm room under the observatory. I gave up
on this after trying to imagine building a tall cinder block pier to
support the Dob, and to imagine how to explain this to Utah's Permit
Mafia.
- A dome. This was inspired by Tom Dey's polygonal dome design
originally featured in Telescope Making No. 18 in 1982. The
dome design is extremely simple and can be broken down and moved! I
wrote a Mathematica notebook to scale it up to 20' diameter dome with
an 8 foot wide observing slot. Ultimately I abandoned this notion
because I thought I'd miss the open sky, and no one could observe in
the dome with me with another telescope.
- A deck with a high stockade fence. After Googling around, we
found this was not a new idea. Phil Harrington's Starwatcher Observatory
is an inspiring example of this approach. I had settled on moving my
scope rather than moving the shed, since I reasoned taking off the
wheelie bars would be just as much work as unbolting all the
observatory skirts, and I could make the shed more weather tight if it
didn't have to move. Ultimately I abandoned this idea for two reasons:
(1) Snow removal would be onerous in Utah in the winter, and (2) I
still had to permit it, and if I was going to go through all of that
with the Utah Permit Mafia, I might as well have a proper roofed
observatory.
So I settled on a proper roll-off roof design (greatly aided this time by
John Hick's book, Building a Roll-Off Roof Observatory [Springer,
2009 -- Amazon], part of
Patrick Moore's Practical Astronomy series). I've submitted the plans to
the town of Paradise, and will meet their planning board in late October
2009. Until then, here are various planning pages I've produced about the
design.
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