Focuser

focuser direction swap

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http://www.lazyfocus.com/docs/EasyFocus/EasyFocus_Manual.htm hold the “in” button (one closest to DB9) during bootup.

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Focuser

Re: focusmax + maxim 5.03 + binning

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Art Morton wrote: > > On Jan 31, 2009, at 12:04 PM, Jimbo S. Harris wrote: > >> Let me screw around with that and see if I can get MaxIm and […]

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Uncategorized

Re: temperature comp in the focuser?

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Art Morton wrote: > > On Jan 27, 2009, at 12:50 PM, Jimbo S. Harris wrote: > >> >> Art Morton wrote: >>> I am using CCD commander. Once I got FocusMax […]

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temperature comp in the focuser?

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A, Do you use Temperature Compensation in your robofocus setup? I noticed that my images from last night (in addition to being crappy in terms of guiding) seemed a little blobby in […]

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Focuser

Re: Gemini

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Art Morton wrote: > http://www.lazyfocus.com/docs/GSI/GSI_Manual.htm I bought one of these from James L. last year. He doesn’t actively sell them, so I had to wait a bit for him to get around […]

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Re: Gemini Stepper Interface

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Well, answer is I don’t know. It depends on a lot of things, not the least of which is the step angle of the motor that Moonlite uses, and the gearing of […]

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Re: Gemini Stepper Interface

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Oh. Yes. It should just plug right to your existing motor. James —– Original Message —– From: “Jimbo S. Harris” <jimbo@jimbo.net> To: “James Lacey” <james.lacey@lazyfocus.com> Sent: Thursday, March 20, 2008 10:27 AM […]

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Observatory / Technology

Re: Auto Guiding

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At 09:33 AM 3/17/2008 -0700, you wrote: >On Mar 17, 2008, at 8:51 AM, Jimbo S. Harris wrote: >>>My money, if I had any, would have burst into flame by now at […]

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Re: Question/Idea

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It’s the same box with different USB identifiers. There controller (DC motor controller) talks USB directly. Since you have to use two different USB-2-RS232 to talk to two EasyFocus controller, there should […]

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RE: Focus depth: Canon vs. Nikon

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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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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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