• Martin Helm
  
• Markus Blauensteiner
• Gerhard Wechselberger
• Manfred Wasshuber
• Günther Petz
• Werner Probst
• Roman Feldhaas
• Ivan Eder
• Steve Cannistra
• Kayron Mercieca
• Damian Peach

• Harry's Astroshed
  
• Light Vortex Astronomy
  
• Skypixels Links
  

• Pixinsight - not free, but necessary for good image processing.
  
• Astrophotography Tool - low cost and VERY usefull for aquiring photos!
  
• Deep Sky Stacker - Stacking software, free and nice to use.
  

• Evan Sharboneau - trick photography
  
• Magic Lantern
  
• Gunter Wegner - LRtimelapse
  
• Alexander Müller
  

I'm not responsible for the content on external websites.