Focuser / Gear / Maintenance

New Equipment – The next setback

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Buoyed by my success at getting the new coma corrector to focus using the shortened focuser, I tried it again with the “production” focuser, which is 3/8” taller. I recollimated as far […]

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Astro knowledge / Focuser / Gear / Maintenance / Techniques

New equipment works, finally.

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In order to get the new coma corrector working with the OAG inline, I had to try a lot of things before I found the right set that shoved the focal plane […]

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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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