#observing

visibility  How do you observe the lunar terminator?

The lunar terminator is the line separating the illuminated and unilluminated portions of the Moon. Observing the lunar terminator can provide...    Read more

stars  What is a double star and how do you observe it?

A double star, also known as a binary star, is a system of two stars that orbit around a common center of mass. Double stars can be classified into...    Read more

contact_support  How do you observe the globular cluster M13?

The globular cluster M13, also known as the Great Cluster in Hercules, is one of the brightest and most easily visible globular clusters in the night...    Read more