Uncategorized

dsc equations

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http://www.asahi-net.or.jp/~zs3t-tk/aim/aim.htm Hi all, My latest project is to see if I can build myself a set of Digital Setting Circles for my new astronomy mount, which does not have an onboard pointing […]

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more dsc faq

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http://www.fer3.com/arc/m2.aspx?y=200210&i=007828 http://www.jgiesen.de/astro/solarday.htm http://www.prairienet.org/cuas/faqcalc.html http://star-www.st-and.ac.uk/~fv/webnotes/index.html http://www.willbell.com/math/mc1.htm

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dsc diy

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http://www.nova-astro.com/ http://digicircles.eksfiles.net/dsc.html http://www.fourmilab.ch/homeplanet/homeplanet.html

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General / Observing Reports

new mount = happy

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Hi all, After a couple of days of being “closed for renovation”, the ad Astra Observatory at Newark, CA is back in business with the new Losmandy G-11 mount. I had to […]

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Gear / Maintenance

New mount = Happy

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After a couple of days of being “closed for renovation”, the ad Astra Observatory at Newark, CA is back in business with the new Losmandy G-11 mount. I had to modify the […]

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Observing Reports

my observatory trip, 4/23/2007

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I have been meaning to write about my trip to the observatory, but we’ve had a bit of a time getting phone time this week (end of the month and all (: ). I […]

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Techniques

Polar Alignment Calculations

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Here’s a page that derives Polar Alignment Calculations. (update 5/2020: the original site is gone, so I found the text on Wayback and am inserting it below. This is by the original […]

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Gear / Observatory / Telescope

Special Guest Star takes the mount at Hilltop O

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The Astro Jedi needed somewhere to store his light sab—- I mean, bucket, and I was only too happy to accommodate him. I have decided that I need to come to a […]

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General / Maintenance / Observatory

Dome shutter is motorized again!

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I finally decided to bite the bullet and fix the shutter motor. Things went sideways last winter, and I’ve been opening the shutter manually (and tying it shut with rope, so we […]

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ATM

Trixie 2017 – tube mods

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I finally got around to cutting the MTA-UTA tubes to length; the only eyepiece that would come to focus with the focuser spacer in place is the Televue 55mm Plossl. If I […]

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