ARCHIVE July2009
Electronics / General / Maintenance
Taking the show on the road — batteries, solar panels, and Arduino
After the powertank debacle of the past weekend, I’m beginning to think that maybe I need to maintain a battery setup in the observatory, so that when I go on the road, […]
Astro knowledge / General / Maintenance / Observing Reports
Taking what I could get
I drove back to Newark today to get the pier for the G-11. That ate a lot of time — I was on the road by 10a, got back at 4p or […]
General / Maintenance / Observatory / Observing Reports
A Comedy of Errors
I was invited to spend the weekend in dark sky near Clear Lake, CA. My ex-boss owns some land up there and wanted to see the sky. A rare chance to see […]
Astro knowledge / General / Observing Reports
Happy "Leap" Day
July 20, 1969 One small step for man, One Giant Leap for Mankind I understand all the reasons we went. I understand all the reasons we stopped going. I understand all the […]
Deep Sky / General / Long Exposure Photography / Observing Reports
Pushing the limit — Pumpkin in a windstorm
The seeing was pretty bad last night, as in “wind blowing so hard that I thought the leaves rattling were raindrops and ran outside to check”. This wreaked havoc on Veronica’s guiding. […]
Astro knowledge / Deep Sky / Long Exposure Photography
Pumpkin's Return — A breath of fresh air
After 10 days of fighting Veronica, I’d had enough. Tonight, I swapped the camera back to Pumpkin, rebalanced, and tried my luck at two targets. With Cassiopeia showing above the house, I […]
Astro knowledge / Deep Sky / Long Exposure Photography
Veronica's Last Stand — the final straw
In a last-ditch effort to make Veronica work with the mount, and since it’s Friday night, I decided to really tweak the scope before starting up, then do a series of “test” […]
Deep Sky / Long Exposure Photography
Veronica's Last Stand — playing with exposure length
I only have a few more things I can try before I have to give up on Veronica as an imaging scope on The Lemon-i. Tonight, I added a 2.8x “Klee” Barlow […]
Astro knowledge / General / Maintenance / Optics / Technology
G-11 – Guiding Oscillation
I stacked the 16 frames shot last night into a single GIF animation. There is a very strange “retrograde motion” thing going on during the course of an evening. I don’t know […]
Deep Sky / Long Exposure Photography / Maintenance / Optics
Another night of strange guide errors – IC 5146
OK, this is getting silly. Either I have no idea how to balance a telescope properly (which is not outside of the realm of reason), or balance is not the problem with […]
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.