ARCHIVE July2006
Deep Sky / Gear / Long Exposure Photography
M13, Globular Cluster in Hercules
M13, Globular Cluster in Hercules (the autoguider at Ad Astra Observatory is operational!)
dec slop
TRICKS TO SOLVE THE DEC GEAR SLOP/SLOW MOTOR PROBLEMS: DEC axis steps: 1)Before going any further, refer to Mike Dodd’s excellent article over on the CGE group in his folder on Autoguiding […]
Uncategorized
drift alignment
The cheat sheet you found does sound daunting. I find that most of the time too much information is just not useful when you are in the field. There is a time […]
backlash correction
There are two adjustments you can make on each axis to minimize backlash, the play in the worm mount and the meshing of the worm to the axis gear. The worms on […]
Re: whoa
Man that thing must be heavy! I wish i had $600 and a whole lot of extra time on my hands, that would be a pretty sweet month and a half project. […]
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.