ARCHIVE January2009
Uncategorized
Re: PEC
Art Morton wrote: > At some point you do want to get the PEC programmed and running. Do you use PEC? > I presume this will be the next step after 5min […]
This is it
http://www.astro.uni-bonn.de/~mischa/mounts/g11_tuning.html > > J, > > > Make sure that the tapered roller bearing #2 from the right, is > between the two smooth bearings and that it is well lubricated and […]
field-stripping the G-11
A, I’m thinking about deconstructing the G-11 once the moon goes around again. I have questions: 1) Do you think that it’s possible to degrease/regrease the mount without killing the polar alignment? […]
Re: Mount is level?
Art Morton wrote: > You are convince that the mount is level? The bubbles on the mount say it’s level, although I can certainly check this again. I did have to re-level […]
Uncategorized
Re: Well, what happen?
A, Meridian flips don’t work on my mount. The RA motor lags by several degrees in clockwise (RA+) on every slew. I tested to see if the error got larger when jumping […]
Re: Fwd: [CCDCommander] Re: PB with meridian flip
I need to set my safety limits. The problem is, I’m not sure where to set them; too conservative and I can’t reach certain parts of the sky. Too liberal and the […]
Uncategorized
Polar Alignment – Day 4 – Meridian Flips and RA lag
A, Because polar alignment is “in the mount” and has nothing to do with what’s *on* the mount, I can now go mess around with balance to my heart’s content. After a […]
Uncategorized
Gemini Polar alignment workflow
A, Per our conversation, here is what I’m going to try: 1) Get mount to CWD position and with no pointing model 2) cold start 3) synch on one star (near meridian) […]
Re: Gemini Polar alignment workflow
On Jan 12, 2009, at 9:43 AM, Jimbo S. Harris wrote: > A, > > Per our conversation, here is what I’m going to try: > > > 1) Get mount to […]
Uncategorized
Gemini Polar alignment workflow
A, Per our conversation, here is what I’m going to try: 1) Get mount to CWD position and with no pointing model 2) cold start 3) synch on one star (near meridian) […]
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.