TAG Image Processing
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Re: calibration problems tonight
I got the stuff and I do not understand why Max does not recognize the calibration frames. You do want to get onto the Yahoo group. There is a lot of activity […]
Re: Auto Guiding
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 […]
Observing Reports / Solar System Photography
Re: Comet 17P/Holmes animation
I think its better with the stationary background. On 10/29/07, Jimbo S. Harris wrote: Hi all, After my last email, I decided to do a quick check, and yes, the comet is […]
General / Observing Reports / Solar System Photography
Comet 17P/Holmes animation
Hi all, After my last email, I decided to do a quick check, and yes, the comet is definitely moving relative to the background stars over the course of the 30-minute shoot. […]
Deep Sky / Gear / Long Exposure Photography
M27, The Dumbbell Nebula in Vulpecula
I tried a longer integration time on M27 (2 hours’ worth of 3-minute images vs. an hour of 2 min)… I think that I’ve reached the limit of what I can achieve […]
Deep Sky / Focuser / Gear / Long Exposure Photography
M8, The Lagoon Nebula in Sagittarius
An hour of M8 with Veronica, G11, motor focuser. I could use some more detail of the outlying areas (there are some nice dust globs out there), but when I tried to […]
Astro knowledge / Solar System Photography
Animation of Moon at 7 to 10 days
Moon at 7 to 10 days. Shot on 4 consecutive days from June 22 through June 25, 2007. Here’s what I have so far on my “all phases of the moon” project. […]
Astro knowledge / Deep Sky / Gear / Long Exposure Photography
M27, The Dumbbell Nebula in Vulpecula
Another attempt. I’m getting the idea that longer integration times lead to better detail and noise reduction…
Moon at 16 days old (compare ED80 to Veronica)
Moon at 16 days old. This is a comparison of 2 shots of the moon, taken on the same night, with the same exposure length, one through the ED80 refractor and the […]
Astro knowledge / Deep Sky / Gear / Long Exposure Photography / Observing Reports / Optics
M42, The Great Orion Nebula
fullsize image I finally decided to try out Veronica (the 8” f/5 Newtonian) in the observatory, instead of the ED80. The reflector has two distinct advantages over the ED80; first, it’s about […]
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.