I was notified by a friend about this link:
http://www.socastrosci.org/2007%20pa...Photometry.pdf
This compilation contains some of the most essential info for those who are not happy with "pretty pictures" only...
Also, a lot of information can be found here:
http://www.astrosurf.com/~buil/index.htm ... (I suspect that this is a very well known link already...)
And for photometry, here:
http://www.astrosurf.com/~buil/us/iris/astro/astro.htm