8 years ago
3
The Messier Catalog for Backyard Astronomers
In 1771 Charles Messier and his assistant Pierre Méchain published a catalog of objects they had found while searching for comets. His catalog was intended to help other comet hunters avoid these objects, little did he know that his list would become one of the most popular guides to backyard astronomers hundreds of years later. Most of these images show how the M objects would appear in a 4" telescope.
Continue Reading
http://astropixels.com
Join the Discussion
This is the mother of all catalogs of space pics!
[This comment was removed]