Latest Photographs

M81 Galaxy Group and Interstellar Dust

M81 Galaxy Group, Neutral Hydrogen, and Interstellar Dust

The Nebulas of Spiral Galaxy M33

The Medusa Nebula in Elemental Colors

The Medusa Nebula

The California Nebula

Spiral Galaxy NGC 2403

The Hydrogen of Orion

The Crab Nebula

The Expansion of the Crab Nebula (2003-2020)

The Belt and the Sword

The Double Cluster

The Triangulum Galaxy

Stellar Nursery NGC 1333

Supernova Remnant Simeis 147

The Medulla Nebula