Chanced upon these excellent astrophotography newsletters at:
http://www.skyinsight.net/astrophoto/
The include articles such as:
June 2006 edition (Volume 2, Issue 2)
o Stretch Before Imaging - The Histogram by Adam Block
o Amateur astronomy: not all image sensor pixels are created equal by Keith Wetzel
o Stacking Images with Drizzle by Craig Stark
o Smoooothing Your Interstellar Background by Noel Carboni
o Drama in the Sahara: Total Solar Eclipse 2006 by Steve Russell
o Creating Stereoscopic Astro Images by Steve Bell
o and more
* March 2006 edition (Volume 2, Issue 1)
In this issue you'll find:
o Matching a CCD Camera to a Telescope
o Troubleshooting Focal Reducers
o Capturing first light with the Orion StarShoot
o Regaining Star Colors
o Beginners’ guide to lunar and planetary imaging with a webcam and a telescope
o Why do DSLRs have Shutters
o and much more
* December 2005 edition (Volume 1, Issue 2)
In this issue you'll find:
o Digital Watermarking: For Resolving Ownership Disputes
o A review of the Canon Digital Rebel XT (350D)
o A first look at the Orion StarShoot Deep Space Color Imager
o Sneak peak of the SBIG All Sky Camera and the Fishcamp Engineering Starfish Camera
o High Resolution Lunar Image Processing - A step by step workflow process
o High resolution imaging of the Sun, Moon, and planets with the DSI PRO
o and much more
* September 2005 edition (Volume 1, Issue 1)
In this issue you'll find:
o a guide to longer exposures with an alt/az mount
o a tutorial on high pass filter sharpening
o a tutorial on color CCD imaging with luminance layering
o a drift alignment method using a CCD/DSLR
o and much more