On January 1 and 2, 2008, Comet 8P/Tuttle will be making its closest approach to Earth. See it in your local northern sky as it travels less than 24 million...
Hi gang; I hope to glimpse Mars before leaving for the party. I'll be there about 7:30. At least three of us are going to Rochester for the program about the...
Below is the message from Gordon regarding the time and place of the meeting tonight. Other than the election, the rest of the 'meeting' should be a good time...
Hi; I find that a snowmobile suit is quite appropriate for winter observing, even at sub-zero temperature. I have for sale two extra suits. One is a single...
President's Notes We welcome all our new Board of Directors to the IDA team: Craig Foltz, Buell Jannuzi, Chad Moore, Martin Morgan-Taylor, and Wout van Bommel....
Might as well keep this thread going on club scope updates... To recap where we left off last fall, after much diddling, I was dismayed to discover that I...
I'm always confused by the centering of the secondary within the sight tube. Everything I've read always says once you center it, leave it. Ie, the secondary...
Can you believe we actually had clear skies around 6:00p tonight? Of course I dragged the club scope out and lo and behold, it wasn't too bad! Since it was...
I seem to remember the brand name mentioned was Krylon Jon ... From: Rick KB9TKG <kb9tkg@...> To: laxastro@yahoogroups.com Sent: Mon, 14 Jan 2008 7:22 am ...
I once again had the scope out Monday night after a careful laser collimation. I've noticed now that when you tighten the nuts on the secondary holder, you...
Hopefully some of you got to see the close proximity of Mars and the Moon last night. You could actually see them at about 5:00p in daylight about .5 deg...
Upon closer inspection of the spider, it looks like the outer 3 (mostly) pads make contact due to imperfections in the casting. From researching on the...
Mike - You saw a lunar halo. They are about 22 degrees in angular radius. They are due to refraction, dispersion, and reflections in ice crystals in the...
Hi Mike I used round tooth picks and small balls of black rtv from the automotive parts store. The smaller the better. After the rtv is dry I removed the tooth...
The Rochester Astronomy Club is hosting a lunar eclipse viewing event on Wednesday, February 20th at 7pm. It's located at Mayo High School south parking lot,...
Has anyone noticed that TV ads are starting to use Astronomy in their pitches? Not one to watch much tv, I noticed two this week. One was for ebay in which a...
Anyone have any spare stainless steel triangles that could be used for the mirror cell on the club scope? I made a V-block and confirmed that both of my laser...
Some 1/4" aluminum would be just as good and you could work it with regular woodworking tools. Although the guy who used to run Portaball (Mag1 Instruments) ...
I have stainless you but you need to give me the measurements if you want me to make the triangles. I have AL as well. Is there problem with the cell in the...
Bob, Yes I've noticed them as well. I especially liked the one of the Toyota Sequoia since it gives one a real sense of the antipation,peace an solitude of an...
Regarding voiding a warranty on a collimator: Attempting to adjust the collimator may void the warranty. The collimator may be returned to the manufacturer...
How well does the focuser hold the laser collimator? Ie, do you have the same "wobble" if you spin the laser in the focuser? Or as you rack it in or out? I'm...
... do you have the same "wobble" if you spin the laser in the focuser? Unless both the focuser and the laser were made to exact tolerance, you can't just spin...
UW- La Crosse has 2 of these 3. They are kept either in Room 218 or the storage room next to the rooftop platform. Gordon has access to them. Bob ... for...
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