Some good people say that "2900-7300 kilograms per year hit Earth". Why this information is banned from Wikipedia? Secondly, 2013 Russian meteor "weighed...

So why has this pair been listed in the catalog? Although the most recent version of the Washington Double Star Catalog (WDS) available through the CDS Vizier...

Once again, the mag seems late. Middle of December and no Jan issue. Seems to have been on the web site for weeks now. Any one in the UK got it yet? Mark

Here is a montage of Comet 17P/Holmes taken between 2007-10-28 and 2007-12-10. Each image has been scaled and rotated to fit the background correctly and the...

Hello, There seem to be some growing concerns about black holes. Btw, 1. Whether earth & our solar system is moving fast towards any black hole? If so,what...

http://news.bbc.co.uk/2/hi/uk_news/7304004.stm

Here's a shot of Copernicus, taken under good seeing conditions... http://www.digitalsky.org.uk/lunar/craters/2008-09-22_05-32-04_Red_cn.jpg -- Pete...

The ISS celebrates the anniversary of the launch of the first operational segment today. To commemorate the event BBCs Radio 4 interviewed Science Writer...

Hi folks, I know asking for advice about which telescope to buy is like asking how long is a piece of string, but I would be grateful for any pointers. I used...

Hi All, We (York AS) received this e-mail, which appears genuine, and I thought I'd post it here so anyone who fancies a go can at least try. Very best...

I have had a recent need for some more counterweights for my mount. A web search on what was available from the astro suppliers brought one UK option,...

Hi, Seen some people here quite fond of there Olympus C2100UZ. But I think it is dicontinued, right? Now I could buy one of these second hand, but the...

Hi I wanted to buy an equatorial mount for casual viewing that will be left permanently outside. I was shocked at the prices (£150 +). I've got access to a...

Had a frustrating first night's viewing, and can understand why there are so many adverts which stay For Sale - Telescope (Only Used Once) !! I got my...

im going to make a home made electronic focuser for my scope, which in practice means I am planning to connect a stepper motor to one of the focusing knobs on...

"Mr. Pedagogue" wrote in message ... I might be inclined to try too, if...

Group, Just wanted to share some frustration in buying equipment. Here's my one-day affair with Zeiss. Looked at 10x56s at the London Camera Exchange, here in...

I have noticed in the San Francisco branch of Scope City ( http://www.scopecity.com ) a fair number of Europeans making telescope purchases. Not big crowds of...

"Steve Paterson" wrote: Now that my garage is up, I'm thinking of making a wheely bar for my EQ6+newt so that I can...

After 2 weeks on holiday I was pleased to be able to image Mars again this morning. Quite noticably bigger, brighter and lower in the sky! Still limited by my...