Stars - Charts, diagrams, etc. - Clusters

The Caldwell objects and how to observe them by: (Electronic resources)

Observing the Messier objects with a small telescopein the footsteps of a great observer / by: (Electronic resources)

Star clusters in the era of large surveysproceedings of Symposium 5 of JENAM 2010 / by: (Electronic resources)

Astronomers' observing guides.

Astronomy

Astronomy, Observations and Techniques.

Galaxies

Stars

Popular Science, general.

History of Science.

Physics.

Astronomy, Astrophysics and Cosmology.

Nebulae

Popular Science in Astronomy.