Year 2023, Month 05
- 01: Carina Nebula North
- 02: Flat Rock Hills on Mars
- 03: Centaurus A: A Peculiar Island of Stars
- 04: The Galaxy, the Jet, and a Famous Black Hole
- 05: Shackleton from ShadowCam
- 06: Twilight in a Flower
- 07: The Helix Nebula from CFHT
- 08: The Spanish Dancer Spiral Galaxy
- 09: Shadows of Earth
- 10: Milky Way over Egyptian Desert
- 11: Fomalhaut's Dusty Debris Disk
- 12: Halley Dust, Mars Dust, and Milky Way
- 13: Apollo 17: The Crescent Earth
- 14: To Fly Free in Space
- 15: M16: Eagle Nebula Deep Field
- 16: Total Eclipse: The Big Corona
- 17: Sunspot with Light Bridge
- 18: WR 134 Ring Nebula
- 19: Curly Spiral Galaxy M63
- 20: Galileo's Europa
- 21: Tardigrade in Moss
- 22: Supernova Discovered in Nearby Spiral Galaxy M101
- 23: Jupiter's Swirls from Juno
- 24: Observatory Aligned with Moon Occulting Jupiter
- 25: Cat's Eye Wide and Deep
- 26: Virgo Cluster Galaxies
- 27: Crescent Neptune and Triton
- 28: Ida and Dactyl: Asteroid and Moon
- 29: Milky Way over a Turquoise Wonderland
- 30: M27: The Dumbbell Nebula
- 31: Simulation: A Disk Galaxy Forms