ARCHIVE January2009
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Re: temperature comp in the focuser?
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?
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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stupid RAW
A, last night’s guiding did not go as well as the night before. I think that Max’s guider commands are more granular than the ST-4’s. I had the steady drift again. I’ll […]
Re: Sorry, couldn't help it
Take a look at Fremont clear sky clock! Looks like I have 2 more days of solid skies for shooting. Last night was unbelievable. Steady, dark, nice.
Re: replacing the ST-8
Art Morton wrote: > I went to Jim’s shop for filters. He did not have any so I did not buy. I think that you want Astronomik, but Astrodon get a lot […]
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didn't think I was putting one over…
A, http://www.cyanogen.com/maxim_matrix.php The new DSLR version includes scope and dome control. Thanks, Doug! J
Re: G-11 re-greasing
Art Morton wrote: > The process for me takes two weeks. And that is if I do not get mad > and just cover it on the bench and try to forget […]
Maintenance / Observing Reports / Optics
Re: RA driftage
Art Morton wrote: > All three of these images are fantastic and show that you are tuning > in. In either case here, your optics are quite good. The stars are > […]
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Re: RA driftage
Art Morton wrote: > I do love the amazing lack of blooms. I hear the Orion color camera > calling me. > > I just have to find out some way to […]
Re: Between the Rain and the Fog
Art Morton wrote: > http://www.astromart.com/images/forums/643000-643999/643641.jpg > > The above image was taken with a 12” AP Mak on the AP Super Large > Mount. The angular resolution and image magnification is far […]
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.