All this talk of solstices and sunrise/sunset has got me thinking about time: According to relativity, the rate at which clocks "tick" depends upon their...

For artistic qualities the Wikipedia explanation takes beating,in order to fit the sidereal day into the 24 hour/360 degree terrestial longitude equivalency it...

http://photojournal.jpl.nasa.gov/jpeg/PIA06193.jpg but watch out its BIG - 5.4mb http://spaceflightnow.com/cassini/050226portrait.html for some...

I had the pleasure of hearing Damian Peach speak on planetary imaging with webacams at SEKAS & University of Kent Physics dept. To them many thanks for...

Theory of Everything Once upon a time there was a discussion among the gods over where to hide the key to the Theory of Everything, so that their children...

Hi all. Some of you may be aware that I'm keen on Astrophotography, I do like being able combine the best bits of old school and new school techniques,...

I hope this discussion has not already been here, if so humor me. Here in the US, from Orion, a newtonian telescope is being sold, a 91mm clear aperture...

Hi After continued problems with my Celestron ASGT eq 5 mount and having it repaired twice I have now given up on the idea it will ever work well. I am now...

Anyone and I mean anyone can appreceate that the Equinox is generated by orbital orientation to the Sun running parallel with...

* Newest Saturn moons given names * A new moon discovered around Saturn has been given a provisional name by the team that discovered it: Polydeuces. Full...

Well, it aint pretty but at least it's there! Tempel 1 imaged with a Canon 10D DSLR + 4" refractor. Comet estimated at around magnitude +15. Moonlight and a...

Machholz is getting quite close to the North Celestial Pole now if anyone's...

Hi, I was wondering if anyone could give me some tips about radio astronomy. I'm the chairperson of an astronomy society in Dublin and we're considering...

Hi, I've realized a mosaïc of an almost full moon (only 6 hours before). Low turbulence and good seeing for snapshot. 65 individual frames, taken with a...

Since I got my 10" LX200, I've not really felt at one with it. My major gripe was with the focusser which was one of the most awful focussers I've ever come...

Ok chaps. We've all had a bit of fun with this pathetic troll but as Tonkers correctly points out we should really ignore him. It's been cloudy/moony and I...

As the Moon's now ruining the view :( http://www.digitalsky.org.uk/lunar/mjs2005-02-28.html -- Pete http://www.digitalsky.org.uk Global Projects -...

How does it feel to realise that English cataloguers can't figure out what the basic rotation rate of the Earth through 360 degrees is !,fault me for profanity...

Can anyone help? I am trying to purchase a Milburn Wedge (see http://www.milburnwedge.com/ ) but have had no reply to my email, and I have failed to get...

I've just posted my images on abpa, along with this.... *** My isp's newsserver is all a muck up and im receiving replies on ng and email really really async...