Northern Hemisphere Astronomy Calendar 2026
Complete guide to celestial events, planets, and deep-sky objects for northern observers
January 2026
Moon Phases
Key Events
- •Quadrantids Meteor Shower peaks Jan 3-4 (120 meteors/hr, ZHR)
- •Venus reaches greatest western elongation (47°) Jan 10
- •Mars at opposition Jan 16 - closest approach to Earth
- •Mercury at greatest eastern elongation (19°) Jan 23
- •Comet 13P/Olbers fading but may still be visible (magnitude 9-10)
Planet Visibility
Prime Deep-Sky Targets
- ★M42 Orion Nebula - prime viewing in evening sky
- ★M45 Pleiades - high overhead in early evening
- ★M31 Andromeda Galaxy - still visible in western sky
- ★M1 Crab Nebula - well placed in Taurus
Evening Sky Constellations
Orion dominates southern sky; Auriga, Taurus, Gemini well placed; Ursa Major rising in northeast
February 2026
Moon Phases
Key Events
- •Mars continues bright display in evening sky
- •Saturn passes behind Sun (conjunction) Feb 23
- •Venus continues spectacular morning apparition
- •Winter Circle asterism prominent in evening sky
- •Comet C/2024 E1 (Wierzchos) bright at magnitude 7-8 early month!
- •Comet 144P/Kushida may reach magnitude 10-11 (small telescope)
Planet Visibility
Prime Deep-Sky Targets
- ★M35 Open Cluster in Gemini - excellent viewing
- ★M36, M37, M38 clusters in Auriga
- ★M41 Open Cluster in Canis Major
- ★NGC 2244 Rosette Nebula (with filter)
Evening Sky Constellations
Orion past meridian; Cancer, Leo rising in east; Big Dipper climbing northeast
March 2026
Moon Phases
Key Events
- •Total Solar Eclipse Mar 20 (visible from Arctic, Greenland, Iceland)
- •Spring Equinox Mar 20 at 10:02 UTC
- •Venus at greatest brilliancy (magnitude -4.7) Mar 21
- •Mercury at greatest western elongation (28°) Mar 29
- •Comet C/2024 E1 (Wierzchos) fading but still visible (magnitude 8-9)
- •Comet C/2026 A1 (MAPS) brightening - Kreutz sungrazer (magnitude ~13)
Planet Visibility
Prime Deep-Sky Targets
- ★M81 and M82 galaxies in Ursa Major - ideal viewing
- ★Leo Triplet (M65, M66, NGC 3628) - galaxy season begins
- ★M44 Beehive Cluster in Cancer
- ★M3 Globular Cluster in Canes Venatici rising
Evening Sky Constellations
Leo high in south; Virgo rising; Winter constellations setting in west; Spring triangle forming
April 2026
Moon Phases
Key Events
- •Lyrids Meteor Shower peaks Apr 22-23 (20 meteors/hr)
- •Mercury at greatest eastern elongation (20°) Apr 11
- •Mars passes through Pleiades Apr 16-20
- •Peak galaxy observing season begins
- •Comet C/2026 A1 (MAPS) perihelion Apr 4 - DISINTEGRATED before perihelion (did not survive)
- •Comet C/2025 R3 (PanSTARRS) at peak - reached naked-eye magnitude ~4-5 late April!
Planet Visibility
Prime Deep-Sky Targets
- ★Virgo Galaxy Cluster - prime viewing (M84, M86, M87, M89, M90)
- ★M51 Whirlpool Galaxy - rising in east
- ★M13 Hercules Cluster - late night viewing
- ★Leo galaxies at zenith
Evening Sky Constellations
Virgo high in south; Boötes rising; Leo past meridian; Hercules in northeast
May 2026
Moon Phases
Key Events
- •Eta Aquariids Meteor Shower peaks May 6-7 (40 meteors/hr)
- •Mercury passes behind Sun (inferior conjunction) May 10
- •Venus at inferior conjunction May 31
- •Saturn reaches opposition later in year setup
- •Comet C/2025 R3 (PanSTARRS) fading but still binocular target early month
- •Comet 10P/Tempel 2 brightening - may reach magnitude 8-9 (binoculars)
Planet Visibility
Prime Deep-Sky Targets
- ★M3 and M53 globular clusters well placed
- ★M63, M94, M106 galaxies in Canes Venatici
- ★M13 Hercules Cluster rising higher
- ★Coma Berenices star cluster overhead
Evening Sky Constellations
Virgo high south; Boötes at zenith; Hercules rising; Cygnus in northeast; Summer Triangle forming
June 2026
Moon Phases
Key Events
- •Summer Solstice Jun 21 at 02:24 UTC - longest day
- •Mercury at greatest western elongation (23°) Jun 14
- •Neptune at opposition Jun 23
- •Shortest nights for deep-sky observation
Planet Visibility
Prime Deep-Sky Targets
- ★M13 Globular Cluster at prime position
- ★M92 Globular Cluster in Hercules
- ★M5 Globular Cluster in Serpens
- ★NGC 6210 and NGC 6543 planetary nebulae
Evening Sky Constellations
Hercules at zenith; Ophiuchus, Serpens rising; Summer Triangle prominent; Milky Way beginning to show
July 2026
Moon Phases
Key Events
- •Earth at aphelion (farthest from Sun) Jul 3
- •Delta Aquariids Meteor Shower peaks Jul 28-29 (25 meteors/hr)
- •Mercury at greatest eastern elongation (27°) Jul 22
- •Best month for Milky Way core observation
- •Comet 10P/Tempel 2 at peak - magnitude ~8, visible in binoculars all month
- •Comet 220P/McNaught also visible around magnitude 9-10
Planet Visibility
Prime Deep-Sky Targets
- ★M57 Ring Nebula in Lyra at zenith
- ★M27 Dumbbell Nebula rising high
- ★M8 Lagoon Nebula in Sagittarius
- ★M20 Trifid Nebula - excellent viewing
- ★Milky Way core visible - M6, M7, M22, M28
Evening Sky Constellations
Cygnus, Lyra, Aquila at zenith (Summer Triangle); Sagittarius low south; Scorpius visible
August 2026
Moon Phases
Key Events
- •Perseids Meteor Shower peaks Aug 12-13 (100 meteors/hr) - EXCELLENT, no moon!
- •Total Lunar Eclipse Aug 12 (visible across Americas, Pacific)
- •Saturn at opposition Aug 15 - best viewing of year
- •Venus reaches greatest eastern elongation (46°) Aug 9
- •Comet 10P/Tempel 2 at perihelion Aug 2 - bright around magnitude 8-9 in Capricornus
- •Comet 169P/NEAT brightening - closest approach (0.17 AU) mid-August, mag 10-11
- •Comet 220P/McNaught unexpectedly brightened to ~mag 6 - brightest comet in the sky now
- •Comet C/2025 R3 (PanSTARRS) - the "Great Comet of 2026" - now fading for southern observers
Planet Visibility
Prime Deep-Sky Targets
- ★M11 Wild Duck Cluster in Scutum
- ★M16 Eagle Nebula and M17 Swan Nebula
- ★NGC 6826 Blinking Planetary
- ★Milky Way still spectacular
- ★Andromeda Galaxy (M31) rising late evening
Evening Sky Constellations
Summer Triangle at zenith; Sagittarius south; Pegasus rising east; Aquarius, Capricornus visible
September 2026
Moon Phases
Key Events
- •Autumnal Equinox Sep 22 at 20:04 UTC
- •Neptune at opposition Sep 14
- •Mercury at greatest western elongation (18°) Sep 12
- •Jupiter approaching opposition
- •Comet 161P/Hartley-IRAS brightening - may reach magnitude 10 (small telescope)
- •Comet 169P/NEAT at peak - magnitude ~10, morning sky target
Planet Visibility
Prime Deep-Sky Targets
- ★M31 Andromeda Galaxy high in evening
- ★M33 Triangulum Galaxy
- ★NGC 7331 and Stephan's Quintet
- ★M15 Globular Cluster in Pegasus
- ★Double Cluster in Perseus rising
Evening Sky Constellations
Pegasus, Andromeda high; Pisces, Aries rising; Summer Triangle in west; Cassiopeia in northeast
October 2026
Moon Phases
Key Events
- •Orionids Meteor Shower peaks Oct 21-22 (25 meteors/hr)
- •Draconids Meteor Shower Oct 8 (variable rate)
- •Mercury at greatest eastern elongation (24°) Oct 22
- •Jupiter at opposition Oct 26 - best viewing
- •Comet 161P/Hartley-IRAS at peak - magnitude ~10, evening sky
- •Comet 10P/Tempel 2 still visible around magnitude 9
- •Comet C/2024 T5 (ATLAS) brightening to magnitude ~11-12
Planet Visibility
Prime Deep-Sky Targets
- ★M31, M32, M110 Andromeda group at zenith
- ★M33 Triangulum Galaxy high
- ★NGC 869/884 Double Cluster high in Perseus
- ★NGC 891 edge-on galaxy
- ★M52 Open Cluster in Cassiopeia
Evening Sky Constellations
Andromeda at zenith; Perseus, Cassiopeia high; Taurus, Pleiades rising; Orion late night
November 2026
Moon Phases
Key Events
- •Taurids Meteor Shower peaks Nov 5 (10 meteors/hr, fireballs)
- •Leonids Meteor Shower peaks Nov 17-18 (15 meteors/hr)
- •Mercury at greatest western elongation (20°) Nov 16
- •Uranus at opposition Nov 15
- •Comet 161P/Hartley-IRAS still visible ~magnitude 10 in evening sky
Planet Visibility
Prime Deep-Sky Targets
- ★M45 Pleiades high overhead
- ★M42 Orion Nebula rising late evening
- ★M1 Crab Nebula in Taurus
- ★California Nebula (NGC 1499) with filter
- ★Hyades Cluster prominent
Evening Sky Constellations
Perseus at zenith; Auriga, Taurus high; Orion rising; Gemini late evening; Andromeda still well placed
December 2026
Moon Phases
Key Events
- •Geminids Meteor Shower peaks Dec 13-14 (120 meteors/hr) - Queen of meteor showers!
- •Ursids Meteor Shower peaks Dec 22 (10 meteors/hr)
- •Winter Solstice Dec 21 at 14:48 UTC - longest night
- •Mercury at greatest eastern elongation (22°) Dec 4
Planet Visibility
Prime Deep-Sky Targets
- ★M42 Orion Nebula prime viewing
- ★M35, M36, M37, M38 open clusters
- ★M1 Crab Nebula at zenith
- ★NGC 2237 Rosette Nebula
- ★Winter Milky Way visible
Evening Sky Constellations
Orion high south; Taurus, Auriga, Gemini overhead; Canis Major rising; Leo late night; Winter hexagon prominent
Observing Notes
- • All times are in UTC (Coordinated Universal Time). Convert to your local time zone.
- • Meteor shower rates (ZHR) are ideal maximums under perfect dark-sky conditions.
- • Planet magnitudes and positions are approximate; use planetarium software for precise data.
- • Deep-sky objects require dark skies; many require telescopes or binoculars.
- • Moon phases affect meteor shower and deep-sky visibility significantly.
- • Latitude affects constellation and planet visibility; guide optimized for 40°N.
- • Comet brightnesses are predictions and can vary significantly. Check comet websites regularly for newly discovered comets and updated predictions.