Dave wrote:
> > .. for today's APOD (beautiful image of the M42 region) at
> > http://antwrp.gsfc.nasa.gov/apod/astropix.html
>
> Hmm. Camera lens and AP180, but there are diffraction spikes.
> What's up
> with that?
Artistic license ;-)
I've done the same thing on the Pleiades with my TV-85 -- for some targets,
the diffraction spikes add a certain je-ne-sais-quoi appeal to the image.
Mine was done with two wooden kebab sticks crossed and taped in front of the
little refractor:
http://www.lefevre.darkhorizons.org/ccdimaging/m45l_2m.jpg
Paul
