Deep Sky / General / Long Exposure Photography / Maintenance / Observatory

Bootstrapping the software rig

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Hilltop Observatory got a few clear nights to play around with the new software rig. The “capture” part of the process is decently well-behaved already — I almost have plate solving working […]

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Deep Sky / Long Exposure Photography

Cassie’s first real shakeout

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I finally scored a really beautiful night. It was clear as I was driving home, so I decided to hit the observatory as soon as I got home. This was the first […]

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Deep Sky / Gear / Long Exposure Photography / Telescope

Pumpkin out, Cassie in

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There are quite a few planets coming around for a pass; Jupiter is up pretty early in the evening these days, and by morning, Jupiter, Mars, and Saturn are arrayed across the […]

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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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