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A PAS electronically-assisted-astronomy rig under the night sky, lit red, with city lights on the horizon
Sky Conditions

Sky Conditions & Observing Sites

Tonight's astronomical forecast for the Phoenix area, plus where PAS members go for dark skies and what's worth looking at once you're there.

Tonight's Forecast

Moon Tonight

Meteor Showers

  • Quadrantids (Boötes)Peaks January 3
  • Lyrids (Lyra)Peaks April 22
  • Perseids (Perseus)Peaks August 12
  • Orionids (Orion)Peaks October 21
  • Leonids (Leo)Peaks November 17
  • Geminids (Gemini)Peaks December 14

If the forecast below doesn't load, open it directly on Astrospheric.

Tonight's Sky Chart

An interactive planetarium centered on Phoenix — pan, zoom, and see what's up right now.

If the chart below doesn't load, open it directly on VirtualSky.

Viewing With Telescopes

Suggested targets by aperture and season, from in-town Phoenix skies (Bortle 6–8) out to dark-sky sites like the Antennas area (Bortle 2). Pick your aperture to see its targets.

5" Refractor
Anytime
The Moon and the five naked-eye planets — Mercury, Venus, Mars, Jupiter (and its moons), and Saturn (and its moons)
Fall
NGC 7009 Saturn Nebula, outskirts of the Valley (Bortle 4–5)
Winter
NGC 7662 Blue Snowball Nebula; NGC 2169 "37" star cluster, outskirts of the Valley (Bortle 4–5)
Spring
Stargate asterism (two nested triangles), outskirts of the Valley (Bortle 4–5); NGC 3242 Ghost of Jupiter Nebula, dark sky like the Antennas area (Bortle 2)
Summer
Deep red carbon star 1 Lyrae; Collinder 399 Coat Hanger asterism, outskirts of the Valley (Bortle 4–5)
6" Dobsonian Reflector
Fall
Double Cluster in Perseus; Andromeda Galaxy M31, outskirts of the Valley (Bortle 4–5)
Winter
Pleiades Open Cluster M45; Orion Nebula M42, in Phoenix (Bortle 6–8)
Spring
Beehive Open Cluster M44; Hercules Globular Cluster M13 (Bortle 4–5)
Summer
Ptolemy's Open Cluster M7 in Scorpius (Bortle 4–5); Lagoon Nebula M8, dark sky (Bortle 2)
8" Newtonian Reflector
Fall
Gamma Andromedae blue-and-gold double star, in Phoenix (Bortle 6–8)
Winter
Orion Nebula M42, outskirts of the Valley (Bortle 4–5)
Spring
M81 and M82 galaxies, dark sky like the Antennas location (Bortle 2)
Summer
M13 Globular Cluster, outskirts of the Valley (Bortle 4–5)
9¼" Schmidt-Cassegrain
Fall
Albireo and Gamma Andromedae blue-and-gold double stars, in Phoenix (Bortle 6–8); Stephan's Quintet of galaxies (Hickson 92 / NGC 7317, 7318a, 7318b, 7319, 7320), dark sky area (Bortle 2)
Winter
Orion and Running Man Nebulae M42 & M43, in Phoenix (Bortle 6–8); M35 Open Cluster, in Phoenix (Bortle 6–8)
Spring
Omega Centauri Globular Cluster, southern outskirts of Phoenix (Bortle 4–5); M35 Open Cluster, in Phoenix (Bortle 6–8)
Summer
Swan Nebula M17 (use an OIII filter) and Lagoon Nebula M8, if south of the Valley (Bortle 4–5)
14" Dobsonian Reflector
Fall
Perseus Double Cluster, in Phoenix (Bortle 6–8); M37 Open Cluster, outskirts of the Valley (Bortle 4–5); M17 & M20 Nebulae and Open Clusters NGC 7789 and M11 Wild Duck, dark sky area like the Antennas (Bortle 2)
Winter
Orion Nebula M42, in Phoenix (Bortle 6–8); Andromeda Galaxy M31, outskirts of the Valley (Bortle 4–5); Open Clusters M41 and M50, dark area (Bortle 2)
Spring
M81 and M82 galaxies, outskirts of the Valley (Bortle 4–5); M51 Whirlpool Galaxy, M5 & M13 globular clusters, and Virgo region galaxies (M86 and surrounding area), all in a dark area (Bortle 2)
Summer
M57 Ring Nebula, outskirts of the Valley (Bortle 4–5); NGC 6826 Blinking Planetary Nebula, Helix Nebula NGC 7293, Veil Nebula Caldwell 33/34, Sculptor Galaxy NGC 253, M27 Dumbbell Nebula, dark area (Bortle 2)

Viewable With Binoculars

Fall
Andromeda Galaxy M31; Milky Way Galaxy; M15 Globular Cluster in Pegasus; Perseus Double Open Star Clusters
Winter
Pleiades Open Star Cluster M45 in Taurus; Orion Nebula M42; Open Star Cluster M35 in Gemini; M36, M37, and M38 open star clusters in Auriga; Betelgeuse in Orion (red-orange star); Rigel in Orion (blue-white star); Aldebaran in Taurus (red giant star)
Spring
Beehive Open Star Cluster M44 in Cancer; M50 Open Star Cluster in Monoceros; M41 Open Star Cluster in Canis Major; Mizar double star in Ursa Major
Summer
Lagoon Nebula M8 and Trifid Nebula M20 in Sagittarius; Hercules Globular Cluster M13; M25 Open Cluster and M22 Globular Cluster in Sagittarius; Delta Lyrae (red/blue double star); Epsilon Lyrae (wide components of the "double double" star); "False Albireo" (Alpha and 8 Vulpeculae double star); Omicron 1 and 2 (blue/orange double star); 31 Cygni (wide triple star); Deneb in Cygnus (blue-white star); the Summer Triangle (Deneb in Cygnus, Vega in Lyra, Altair in Aquila); Collinder 399 "Coat Hanger" asterism in Vulpecula

Dark-Sky Observing Sites

Sites are rated on the Bortle scale, from 1 (darkest) to 9 (brightest inner-city skies).

Want to explore more dark-sky locations beyond this list? Check out the light pollution map on darkskysites.com.

Want to see where the planets and spacecraft actually are right now? ExploreNASA's Eyes on the Solar System ↗.