MOST RECENT
Uncategorized
Gemini Polar alignment workflow
A, Per our conversation, here is what I’m going to try: 1) Get mount to CWD position and with no pointing model 2) cold start 3) synch on one star (near meridian) […]
Mak-Newt astrograph
http://www.telescope.com/control/product/~category_id=optical_tube/~pcategory=telescopes/~product_id=09972;jsessionid=1F169A3F4A7E251D80206B44FD7ABEF1.ivprod1 1000mm focal length, f/5.3 (I’m sure it uses the same primary that is in Veronica, with a 190mm Mak corrector). Edge of field on a DSLR looks sharp. Decent sized 2.3” […]
Re: Gemini
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: Fwd: [vc200l] Best FWHM with VC200L
Art Morton wrote: > J, > > You have this issue. Maybe this is the nature of the beast. I have > sent you my FWHM and they seem to approach the […]
Gemini
http://www.lazyfocus.com/docs/GSI/GSI_Manual.htm
Nikon IR remote
http://www.cibomahto.com/?p=249 uses Arduino
Nintendo DS camera controller
Howdy, I’m sending this message because you inquired about a Nintendo camera controller, (probably). I’m sorry I haven’t gotten back to you about the DS camera controller thing, I’ve been inundated with […]
Re: M31
Art Morton wrote: > I will try that or pull that 80mm out of the box again. I do like > this image size and resolution however. I like the resolution, too. […]
Long Exposure Photography / Observing Reports
Re: These are some more from over the weekend.
Art Morton wrote: > M76 You and your damned postage-stamp objects. Try the *big* Dumbbell Nebula instead of the Little one. It’s nearly overhead right now. > M33 Wow. That is a […]
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Re: astropho..
WILLIAM HARRIS wrote: APOD Wow. What a nice shot. A lot of detail for a quarter moon. And there’s something to be said for hanging out in beautiful places. (Obviously, this is […]
RECENT UPDATE
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 […]
Gear / Observatory / Telescope
Special Guest Star takes the mount at Hilltop O
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 […]
General / Maintenance / Observatory
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 […]
Trixie 2017 – tube mods
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 […]
MOST COMMENTED
Observatory
Observatory 2.0 – Time has come today!
General / Maintenance
First Light, a deeper look
Mount / Observatory / Telescope
Observatory 2.0 – Result!
Observatory
Observatory 2.0 – The Pier goes in
Gear / General / Maintenance
Martin Farmer Wormblock installation notes
Deep Sky / Long Exposure Photography
NGC2244, The Rosette Nebula
Deep Sky / Long Exposure Photography
Another beautiful night.