ARCHIVE February2009
Solar System Photography / Techniques / Technology
Re: swore I was going to put out an image tonight
J, Registax always spools out that I have bad frames. That is unless one uses a source program from Logitec to make the avi. So, I use: http://divfixpp.sourceforge.net/ Works wonders and I […]
Re: Future Design for the Losmandy
Art Morton wrote: LiteScope Very pretty. Some of these designs only work if you’re in alt-az, where you can control which direction things are going to rotate. I need to get Trixie […]
Re: call me crazy
Art Morton wrote: > You hit the cruxes of the matter, the secondary size. The other thing > I remember battling was f/ and being able to see the secondary when > […]
Re: Yes you are crazy
Art Morton wrote: > I do not have data to forward, but what I remember is +- 0.00 to > 0.04~0.15 on each axis. I’m averaging more in the 0.2-0.8 range (I’m […]
Uncategorized
Re: Yes you are crazy
Art Morton wrote: > I will be getting out again. 2 weeks until the next astrophotography moon… > I presume that you have a Focal Reducer for 9.25 and it would be […]
C9.25 radius blocks
I knew I should have bought DC925 rails when I was working on Trixie last summer… I went out and stimulated the Astromart economy and now I have a C9.25 but no […]
call me crazy
A, Just ordered a 3/4” travel drawtube from Moonlite. I have to wait for their next CNC run to get it, but he’s only charging me $50 for it. I should be […]
Re: shortest possible drawtube?
Hi Ron, When you get back from WSP, and during your next CNC run, whenever that is, I’d like a 3/4” travel drawtube with compression ring fitting. I’d also like to order […]
Astro knowledge / Observing Reports
Re: C9.25 first light
A, Once and for all, we are talking about two *different* parts of the sky. You are referring to: The Trapezium, Theta Orionis RA: 5h 35m 17s Dec: -5 23′ 27” http://www.astropix.com/HTML/B_WINTER/TRAPEZ.HTM […]
Re: No Plans Yet
The natives are all very restless down here; haven’t seen the sun in 3 weeks. Virgins are being sacrificed.
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.