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Deep Sky Object Image Gallery

The term "Deep Sky Object" (DSO) generally refers to objects outside the Solar System and usually excludes binary/multiple star systems. As such, DSOs refer to star clusters, nebulae, and galaxies.

Most photos were taken at the 2024 Summer Science Program in Astrophysics at CU Boulder, with a 20-inch Planewave Reflector used by Team 5 "Kraft Maggot Cheese." L. Gault, S. Scott, E. Chen


Nebulae Gallery

Messier 16/NGC 6611 Eagle Nebula "Pillars of Creation | HII Region | ~5700 ly | SSP 7/9/2024

Pillars of Creation

Messier 17/NGC 6618 Omega Nebula | HII Region | ~5000-6000 ly | SSP 7/9/2024

Omega Nebula

Messier 20/NGC 6514 Trifid Nebula | HII Region | ~4100 ly | SSP 7/14/2024

Trifid Nebula Trifid Nebula2

Messier 57/NGC 6720 Ring Nebula | Planetary Nebulae | ~2567 ly | SSP 7/9/2024

Ring Nebula

Veil Nebula | Supernova Remnant | ~2400 ly | SSP 7/22/2024

Veil Nebula

Messier 8/NGC 6523 Lagoon Nebula | HII Region | ~4100 ly | SSP 7/22/2024

Ring Nebula

Messier 27/NGC 6853 Dumbell Nebula | Planetary Nebulae | ~1260 ly | SSP 7/22/2024

Dumbell Nebula

Messier 42/Orion Nebula | HII Region | ~1344 ly | 11/12/2023

Orion Nebula

Galaxies Gallery

Messier 51/NGC 5194 Whirlpool Galaxy | Spiral Galaxy Collision | ~23.5 million ly | SSP 7/14/2024

Whirlpool Galaxy

Messier 64/NGC 4826 Black Eye Galaxy | Spiral Galaxy | ~17 million ly | SSP Post-Process

Black Eye Galaxy

Messier 104/NGC 4594 Sombrero Galaxy | Spiral Galaxy | ~31 million ly | SSP Post-Process

Sombrero Galaxy

Messier 101/NGC 5457 Pinwheel Galaxy | Spiral Galaxy | ~21 million ly | SSP 7/9/2024

Pinwheel Galaxy

NGC 6823/NGC 4567 | Spiral Galaxy Collision | ~60 million ly | SSP Post-Process

NGC 6823

Star Clusters Gallery

Messier 13/NGC 6205 Hercules Cluster | Globular Cluster | ~22,000 ly | SSP 7/14/2024

Hercules Cluster

IC 4665/Collinder 349 | Open Cluster | ~1120 ly | SSP 7/14/2024

IC 4665

NGC 6823 | Open Cluster | ~6000 ly | SSP Post-Processing

NGC 6823

Messier 45/Pleiades | Open Cluster | ~444 ly | 10s Exposure | 8/28/2023

Pleiades

Hyades Star Cluster (Collinder 50) | Open Cluster | ~150 ly | 30s Exposure | 8/28/2023

Hyades Hyades

Coma Star Cluster (Collinder 256) | Open Cluster | ~280 ly | 30s Exposure | 3/11/2024

Coma Star Cluster

Alpha Persei Cluster (Collinder 39) | Open Cluster | ~570 ly | 30s Exposure | 8/28/2023

Collinder 39