TAG G-11
Deep Sky / Gear / Long Exposure Photography
M31, The Great Andromeda Galaxy
At long last, I have a scope that can give me a shot at M31 again. This is a “test shot” from the first light of Pumpkin, the new 66mm refractor. There […]
Pumpkin gets assimilated into the Rig
This is the latest iteration of the imaging rig. Now that there’s a second digital camera in the house, this photo actually shows the D70 in situ for the first time. The […]
RE: DSC circuit – USB conversion?
Hi Jimbo – Nice thorough debugging job. Hard to conclude anything other than the encoder is bad. I’d forgotten that I left the Test menu in my application. That was something I […]
Re: DSCH – encoder resolution and pinout
Hello Jimbo On Sep 24, 2007, at 9:23 AM, Jimbo S. Harris wrote: > Hi Scott, > > When I bought my G-11 mount secondhand, it already had DSCH encoders > installed. […]
Digital Setting Circles
The G-11 does not have a GOTO computer like the CG-5GT had, so I started out using manual setting circles. Despite complaints that you’ll hear about setting circles, this is actually quite […]
Re: DSC circuit – USB conversion?
Jimbo, thanks for the report on the success with the TTL232 modification. I’ll try to include that information on my web site for those who might be interested. On the issue with […]
Re: DSC circuit – USB conversion?
Jimbo, Yes, there is an ASCOM driver for my interface. I’ve never actually written code to access it, so I don’t know the other side of the interface very well, but I […]
Deep Sky / Gear / Long Exposure Photography
M27, The Dumbbell Nebula in Vulpecula
I’m having trouble getting the G11/SCT combo to work shooting to the East, for some reason. So, I decided to “make lemonade” and shoot to the West instead. This neatly avoids the […]
Deep Sky / Gear / Long Exposure Photography
M57, The Ring Nebula in Lyra
First attempt at the Ring Nebula. The Ring Nebula has always been a little out of my reach, photographically. At 1′ in diameter, it’s a really, really small object. The Nikon D70’s […]
Deep Sky / Gear / Long Exposure Photography
M13, Globular Cluster in Hercules
M13, Globular Cluster in Hercules First light for the new 8” SCT. Could probably get some more detail, but not bad for a first shot. This shot was unguided, mostly because I […]
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.