A collection of useful links.
Astronomy
WorldWide Telescope
Sterrenkunde.nl
Astrometry web service
Software
DeepSkyStacker
LRTimelapse
Registax
Light Pollution Maps
Lightpollution.it
Avex-Asso
Sony
Dyxum
Zeiss Lenses
Sony Alpha Rumors
Pentax
PK_Tether
PentaxForums.com (EN)
PentaxForum.nl (NL)
Pentaxian.nl (NL)
