I would like to spend some time trying to learn how to use Registax but do not have a digicam. I wondered if any one had tried using the video facility...

It is no longer difficult to discern the cunning work of the celestial sphere geometers here as the descendents of the dull and dreary men who stood against...

Most here are descendents of the dull and dreary celestial sphere geometers who made Harrison's life so miserable,talentless men attached to the Ra/Dec system...

Its a puzzle to me but I have to ask; If the Sun vanished in an instant would all the orbiting objects instantly fly off into the universe or would they fly...

does only 1 half of d earth sees sun r do sun rays difract

If Pluto has been demoted http://news.bbc.co.uk/1/hi/sci/tech/5282440.stm we need a mnemonic for eight planets. The only one I know of is in Ellison...

In toay's Independent there's an advert for a Northern Lights plane trip run by those guys at Omega (a few of us here went with them to see the Eclipse in...

There are complicated reasons why the 17th century astronomers, and particularly Flamsteed , incorrectly assigned the wrong physical cause for the length of...

Here's the risnig of Venus and Saturn less than a moon diameter apart. Mostly cloudy here but I caught the first shot at 0519 BST through a gap in the clouds...

I just haven't found enough time for astronomy due to working hours and family commitments so I'm reluctantly selling my Meade LX90 on...

The introduction of celestial sphere geometry to act as a reference for the Earth's axial and orbital motion was a catastrophic mistake that can be undone...

Hi: I've read about the sun's life cycle. Apparently, when the sun becomes a white dwarf, it will take at least a trillion years to completely cool off. Why...

Guys During the summer evenings I've been interested in attempting to photograph the stars. Even when I set the f-stop to 2.8 and use an 8 second exposure...

Does anyone know if the Meade LPI works on Macs?

This question may seem simple or obvious but please read all of it. Which side of the moon receives more light, the near side or the far side (sometimes...

Hi Guys I just acquired a small telescope (free to good home) and it's dirty. I believe it's been stored in a house with a smoker and not used for a few...

Hi I'm new here and just signed up. For extra credit my science teacher asked us "How long would it take for someone to go to the nearest star?" I already...

I expect this has been asked many times so please excuse me for asking it again. Does anyone know of an equivalent to Registax which will work...

what are the tell tale signs what youve got in your hand is a meteorite? or not!!! Simon

Dear all, Just to remind everyone to book soon if you are intending to go to the 6th European Dark-skies Symposium in Portsmouth, Sep 15-16! Time is...