Hi Tej, Well I sell Astronomy equipment don't I, but unlike most I think I should know how to use it! I WISH this consisted of spending my time taki...

Christina As far as I know the D40x only supports wireless control. I have timers for most Nikon DSLR's but the D40x seems to be an exception (sorry)...

Hi Guys My software list is as follows Deep Sky Stacking - DSS (Deep Sky Stacker) - easy and free Processing - Photoshop - Within Photoshop I also...

Thanks for the kind words The HDR idea was really a carry over from daytime images. Digital cameras really are rubbish when it comes to dynamic range...

Hi Sumitra Don't be silly, I am perhaps over analysing it anyway! Your First point: Perhaps I can add more/less aberration on the axis above Aperture...

Hi In my experience many amateur (and professional) photographers never think to look up for their subject matter. If they did they would never be sh...

Hi Sumitra This is a nice idea which I can see you have put a lot of work into but I don't think you can make it this simple. Wide apertures cause p...

Astrology? That's a bit close to home. When I set up my business 'Astrograph' I was thinking in terms of imaging telescopes. I then discovered that it...

Back from my travels and have just seen all that sexist nonsense. No politics or religion on my posts please. From a personal point of view I don't m...

Thanks for the suggestions. The plan is to make this as interactive as possible. So I will encourage people to bring a camera. If after the initial 'o...

Hi Tej Sorry for the waffle earlier! Calibration frames are basically there to do two things. 1) They correct for uneven illumination caused by the...

...and now I have read the post properly. Did you import into DSS as a RAW file? Did you adjust the white balance before this? It is always worth hav...

Hi Tej Just saw all this after a busy week. Nice picture. Shame that even in Brecon you can see that light pollution creeping in. Where do you have t...