The following links point to external websites. No responsibility is taken for the content of these external websites. If you click on any of these links, you are leaving the website summit.photos.
 
Nature Photo Index
Photo.net
Soho Galleries: Australian Art Index
 
Official Web-Site of the U.S. National Park Service
Excellent Photography of Glacier National Park
Great photos of Switzerland
 
Travel information about the eastern parts of the U.S.
Travel information about the South-West of the U.S.
Backpacking Information at thebackpacker.com
Hiking Directory
General information about the U.S. with many interesting links (German)
North America Search Engine (German)
Photographic Hiking Tour of the Grand Canyon
 
Astro-Cruise: Excellent astro photography
Astro Pix: Awesome astro pictures
2MASS Atlas Image Gallery
Light Pollution Map
 
Chess Opening Database
 
Julian date converter
Siderial clock
Formel für Sonnenaufgang, Sonnenuntergang und die Zeitgleichung
 
Basic photometry
Centroid Model
 
Hochzeitsfotografie
Analay Math Software
pixels Of Art Project
 
Speaker Deck
Tech Site Star Naming