Ad Astra Observatory

My journeys among the stars

MOST COMMENTED

ARCHIVE September2006

Solar System Photography

Re: I didn't shoot this one…

PD by jimbo
Leave a Comment on Re: I didn't shoot this one…

Wow didn’t know this was possible. Cliff At 08:28 AM 9/21/2006, you wrote: >…but it’s a *very* cool astrophoto. > > > >Enjoy, >Jimbo > > >

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General

Surprises from the Edge of the Solar System

PD by jimbo
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Hi! I thought you’d be interested in this story from Science@NASA: NASA’s Voyager 1 spacecraft has entered a new realm of space, and it’s beaming back some surprises. http://science.nasa.gov/headlines/y2006/21sep_voyager.htm?friend

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RECENT UPDATE

Techniques

Polar Alignment Calculations

PD by jimbo
Tagged Leave a Comment on Polar Alignment Calculations

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

PD by jimbo
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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!

PD by jimbo
Tagged Leave a Comment on Dome shutter is motorized again!

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

PD by jimbo
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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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