Ad Astra Observatory

My journeys among the stars

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TAG FocusMax

Observatory / Technology

Redo from start: My Astrophotography Workflow

PD by jimbo
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Hi, So with the failure of MaxDSLR to be a one-stop-shop to fix my astro-software needs, I’m doing a total rewind to figure out what it really is that I need to […]

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RE: Focus depth: Canon vs. Nikon

PD by jimbo
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Hi Jimbo – Glad to hear from you again! It sounds like you are now tinkering into deeper waters. 🙂 Here are the backfocus distances: SBIG ST-4 1.16mm Meade DSI 7.43 Canon […]

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Re: [SPAM] RE: FocusMax camera driver — ASCOM?

PD by jimbo
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Jimbo, You might be interested in the link: http://www.cyanogen.com/help/maxdslr/Nikon_DSLR.htm I think you will also need to purchase the DSLR Plug-In Package for MaxIm DL/CCD. FocusMax only works with MaxIm DL/CCD or CCDSoft […]

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RECENT UPDATE

Techniques

Polar Alignment Calculations

PD by jimbo
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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

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
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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

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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