Category: General
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. […]
Blog / Deep Sky / Long Exposure Photography / Observing Reports
rework of the astro page, also new photos, and go look at the moon
Hi, I think that we can all agree that the “Deep Sky Astrophotography” page on the website was getting pretty ponderous — even with a fast ‘net connection, it was taking me […]
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…
Astro knowledge / Deep Sky / Gear / Long Exposure Photography
NGC 4725, Spiral Galaxy in Coma Berenices
Trying to round out the set of the largest galaxies visible from this latitude. This is another galaxy that I would not have known about if not for “The List” (see M106 […]
Deep Sky / Long Exposure Photography / Observing Reports
RE: Latest Astrophotos
Sweet! I really like the M13 one. It is totally Star Trek – warp speed captain! —–Original Message—– From: Jimbo S. Harris [mailto:jimbo@jimbo.net] Sent: Monday, May 14, 2007 10:58 AM To: A. […]
Deep Sky / Long Exposure Photography / Observing Reports
Astro Update
Hi, Although it was bitterly cold and windy out last night, and clouds kept threatening to roll in (which they never quite did), I was able to get some important proof-of-concept and […]
new mount = happy
Hi all, After a couple of days of being “closed for renovation”, the ad Astra Observatory at Newark, CA is back in business with the new Losmandy G-11 mount. I had to […]
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.