Discussion of the different coordinate reference systems.

A summary of Astronomical Timekeeping Systems

A team of astronomers have measured precise distances to stars from Earth using asteroseismology.

Here are some general telescope highest useable power specifications based on the aperture of the optical tube.  This is generally the limit of the resolution you can achieve on a night with outstanding seeing conditions.

Here are some general astronomy and weather programs and apps that are effective for astronomical observing and imaging. Planetarium, General Astronomy Programs and Apps:

Binoculars are one of the most overlooked tools for astronomical observing even thought they are the easiest to use as well as the most comfortable.  They are idea for observing open and globular star clusters and as

Discovery of the Himalia Moon around Jupiter

Pioneer 10

Bio of Gerard Kuiper

Bio of Astronomer Annie Jump Cannon

Our judges, Adam Block, Alex Curry, Nik Szymanek and Mustafa Aydın, have completed their evaluation of all the post-processed pictures submitted for the

Join us for an enthralling webinar on landscape astrophotography, hosted by the experts at Stellar Xperiences.