Astronomical

Pleiades

Pleiades

This is the Pleiades star cluster, also known as M45, or "The Seven Sisters". It is an Open Cluster in the constellation Taurus. It is comprised mainly of hot blue stars.

Nebulosity around V* V1578 Cyg

Nebulosity around V* V1578 Cyg

This is a nebula around V* V1578 Cyg.

Orion Nebula and Cloud Complex

Orion Nebula and Cloud Complex

Clusters of stars around the Orion Nebula, the nebula itself is in the center in white. This photo also shows some of the Orion Molecular Cloud Complex

Wikipedia says: