Catalogs and Data Sheets

From SEDSWiki

• Catalogs and Data Files
• VizieR - VizieR provides access to the most complete library of published astronomical catalogues and data tables available on line, organized in a self-documented database.
• Warld Atlas of Artificial Night Skies Brightness - helps you to pick a good place for your star party
• Rocket Materials -The first and only site with extensive, real data for everything having to do with high power hobby rocketry.
• NIST Reference on Constants, Units, and Uncertainty