http://www.bdimitrov.de/kmp/technology/fov.html Mentions rectilinear lens. Or is there a better FOV calculator for telescope type lenses on the net? (I'm...

Mine's decided not to lock anymore. Feels like the screw's been threaded. Anyone experienced this and any ideas how much to get fixed? Saw Mars in my 250...

From Orion Optics mint condition, with mount, original box and 3 lenses. £350 incl delivery

Hiya I want to buy a Telescope/Binoculars to check out Mars, can anyone give me some recomendations please, I have no idea about telescopes/binoculars...

You would think an item in Nature's Science Update would get it right :-) According to the piece by Joanne Baker...

Hi all, my daughter has got into star gazing. i was wondering if there are any good computer programs out to help her along. kind regards in advance

Hi I have just been bought a telescope but have found that viewing from my garden is nigh on impossible with the light pollution, a nearby power station...

Hi Group, I live in Bristol, U.K.... have 2 scopes, and am keen to get to a darker location, even drive out South of Bristol to avoid light polution. Can...

Hi Was wondering if there were any clubs locally or anyone that can help out a complete novice?? Thanks Tony

I just made a phone call... To celebrate the closest approach of Mars in over 50000 years, and national astronomy week, the Royal Observatory in Edinburgh is...

In article , Martin Frey writes Congratulations - and I urge anyone who is ever...

are there any good weather forcast sites on line that include what we are all interested in......................how clear is the sky at night!!!!!! thanks...

Anyone in travelling distance of the Borders might be interested in a Star Party this Saturday night (30 August) at Kielder Castle - bang in the middle of 40...

http://hubblesite.org/news/2003/22/ Bit good as well 8km/pixel they state. Doug

Hi all, after a couple years of improving membership my local AS is again in decline; members of succesful societies; what is your secret?? We are based in a...

Someone on another newsgroup quoted someone else as saying: "Has anyone seen tonight (8-25-03) a strange white star in the sky and one quarter of a light-year...

i may clear later i suppose, anyone else having luck?

"Robert Summerfield" wrote in message ... I have just purchased my first...

"Laury" wrote in message ... Tonight's BBC 6 pm news (national) did a short piece on Mars. ...

"A. Edwards" wrote in message ... ... there is sometimes an issue with...