WIYN Observatory
The WIYN Observatory owned and operated by the WIYN consortium, which consists of the University of Wisconsin, Indiana University, Yale University, and the National Optical Astronomy Observatories.
James C. Veen Observatory
Website of the astronomical James C. Veen Observatory owned and operated by the Grand Rapids Amateur Astronomical Association.
Hirsch Observatory
Website of the astronomical Hirsch Observatory at Rensselaer Polytechnic Institute (RPI) in Troy, New York.
Apache Point Observatory
Website of the Apache Point astronomical Observatory in the Sacramento Mountains in Sunspot, New Mexico, USA.
LinkToSpace is a part of the dutch Spacepage website. LinkToSpace is founded by Kris Christiaens in 2005 and contains many links to astronomy related websites. The website should be a guide for the people who are looking for good astronomic or spaceflight information with the possibilities for the user to give feedback on those websites.