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Why do you cool a telescope? by Alexander Avtanski
Paul Schlyter wrote: Las Vegas is a big city in a small desert (at least it's small compared to e.g. the Arabian peninsula). Cities produce their own ...
(Multi-page thread 1 2 3 ... Last Page)
July 18th 03 07:08 AM
by Mike Simmons Go to last post
50 1,777
Prism Diagonal Anti Chromatic Aberration Effect? by optidud
I read that in a 90 degrees prism diagonal. Chromatic aberrations are almost cancelled. I'd like to know to what extend it is true and what is the rule. For...
(Multi-page thread 1 2)
July 18th 03 04:25 AM
by optidud Go to last post
12 1,444
Digital composite of the solar eclipse 99 by Dieter Kreuer
Hello, though it's been quite a while since the solar eclipse on August 11th, 1999, I only recently created a digital composite of my slides. On the...
July 17th 03 10:03 PM
by Dieter Kreuer Go to last post
4 803
Mars, TMB 115/800, questions... by TMBack
Pierre, - two barlows stacked, the TMB is definitely not designed for planetary work I assure you it is. From whom did you buy your TMB apochromat...
(Multi-page thread 1 2)
July 17th 03 08:40 PM
by TMBack Go to last post
10 932
astro in Costa Rica by Starlord
There's Centuri Omega for one, a realy good sight. -- "In this universe the night was falling,the shadows were lengthening towards an east that would not...
July 17th 03 06:24 PM
by Jan Owen Go to last post
3 728
Ultimate high reso observing challange by Darren Drake
Only big aperture scopes can do this one. About 5 or 6 years ago S&T had an article about amazing triple stars. One in particular that caught my eye was a...
July 17th 03 05:42 PM
by Darren Drake Go to last post
0 531
Showpieces of Summer - Observing Report by Tom T.
Showpieces of Summer - Observing Report NELM 4.5-5 (observed in twilight) Sky Conditions: Partly Cloudy Seeing: Pickering 4? Transparency: Poor Equipment: 15"...
July 17th 03 05:20 PM
by Tom T. Go to last post
0 695
observing 7-15-03 and FIRST DSO by Tom Markert
Finally some clear skies here in south eastern PA. Monday night 7-14 was beautiful, but wouldn't you know I had already made other unbreakable plans! But...
July 17th 03 04:19 PM
by Starstuffed Go to last post
1 623
NexStar 114GT by Don Scott
I inherited a cheap hand-me-down scope (department store type) and have used it for a few years and have enjoyed it a lot. I am now considering buying my...
July 17th 03 03:03 PM
by Michael McCulloch Go to last post
5 649
What can be expected with solar filters? by Rune Allnor
Hi all. After geting strong advice from s.a.a not to risk the telscope and eyepice on solar projection, I would like to check out solar filters to be mounted...
July 17th 03 02:48 PM
by Kevin Smith Go to last post
4 1,163
Strangest Star known is the 'Talk of Astronomy' by Craig Markwardt
Charles Cagle writes: In article , Craig Markwardt wrote: A...
July 17th 03 02:05 PM
by Sam Wormley Go to last post
4 672
Viewing Neptune & Uranus by scott s.
Hi all, I'm moderately adept at finding most things I wish to observe, but would not consider myself "proficient" at starhopping. I usually use my charts &...
July 17th 03 11:23 AM
by Paul Schlyter Go to last post
8 637
Mars Jul-15-03 by Pete Lawrence
My first proper Mars session. Image available via my website (see sig.). After some beautiful, clear nights, the one I chose to observe on was dogged by high...
July 17th 03 10:49 AM
by Pete Lawrence Go to last post
5 657
Comet LINEAR O7, 2003/7/17 UT by Dave Mitsky
I was able to observe C/2002 O7 (LINEAR) on Wednesday night during astronomical twilight using the 17" f/15 classical Cassegrain at the ASH Naylor Observatory....
July 17th 03 10:46 AM
by Dave Mitsky Go to last post
0 526
What can I expect to see with this telescope? by Dave
Sorry, in my last post I meant to say: Bushnell 4.5" reflector telescope.
July 17th 03 08:26 AM
by PrisNo6 Go to last post
6 764
Clear Sky Clock Support by WayneH
Haven't seen this discussed, so I thought I'd make y'all aware that the good folks who run the Clear Sky Clock site now have a mechanism whereby we (users) can...
July 17th 03 05:52 AM
by Florian Go to last post
1 801
Byers 58 Mount Help/Assistance by Mark
Hi Folks, I have recently been contacted by a man who owns a Byers 58 EQ Mount as I do, and he is experiencing problems with his drive corrector unit. Seems...
July 17th 03 04:43 AM
by Curtis Croulet Go to last post
5 1,129
Meade 6" LXD 55 f/8 Refractor by Chris Knight
Hey all; I am considering buying the Meade 6" LXD 55 refractor. Anybody tried it yet?What do you think? Pros? Cons? Comparisons to the ED? I'm looking...
July 17th 03 04:14 AM
by Al Go to last post
4 826
Dangers with solar projection? by Rune Allnor
Hi all. I just got a recipe on how to use a spotting scope for solar projection. The scheme involves reducing the scope aperture to some 30 mm and using a...
July 17th 03 12:52 AM
by dwight elvey Go to last post
7 917
A Little Astronomy on the Side by Tony Flanders
I recently returned from a car trip driving from Massachusetts to eastern Utah and western Colorado. Astronomy was not one of the motivations behind the trip,...
July 17th 03 12:51 AM
by edz Go to last post
1 659
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