Calendar of Astronomical Events

Astronomical Calendar for 2031

January
2	The cluster Messier 41 is well placed
4	Quadrantid meteor shower 2031 The Earth at perihelion Close approach of the Moon and Saturn Conjunction of the Moon and Saturn Mercury at greatest elongation west
6	Close approach of the Moon and Uranus The Moon at apogee
8	Full Moon The Moon at aphelion
12	Conjunction of Venus and Pluto
15	The cluster Messier 47 is well placed NGC 2403 is well placed
16	Moon at Last Quarter Close approach of the Moon and Mars Conjunction of the Moon and Mars
17	The cluster NGC 2451 is well placed
19	γ-Ursae Minorid meteor shower 2031
20	Close approach of the Moon and Jupiter Lunar occultation of Jupiter Conjunction of the Moon and Jupiter The cluster NGC 2516 is well placed
21	The Moon at perigee Conjunction of the Moon and Mercury
22	The Moon at perihelion New Moon
23	The cluster NGC 2547 is well placed
24	Conjunction of the Moon and Venus
27	Mercury at aphelion
30	Moon at First Quarter
31	134340 Pluto at solar conjunction The Beehive cluster is well placed The Omicron Velorum cluster is well placed The cluster IC 2395 is well placed Close approach of the Moon and Saturn Conjunction of the Moon and Saturn

February
1	Saturn ends retrograde motion
2	Close approach of the Moon and Uranus The Moon at apogee
7	Full Moon
8	α-Centaurid meteor shower 2031 The Moon at aphelion NGC 2808 is well placed
12	Lunar occultation of Spica
13	Close approach of the Moon and Mars Conjunction of the Moon and Mars
14	Moon at Last Quarter
15	Lunar occultation of Beta1 Scorpii
16	Close approach of the Moon and Jupiter Conjunction of the Moon and Jupiter
18	The Moon at perigee
19	Messier 81 is well placed The Moon at perihelion
20	Mercury at superior solar conjunction
21	New Moon The cluster NGC 3114 is well placed
23	Conjunction of the Moon and Venus
25	Uranus ends retrograde motion
27	The cluster IC 2581 is well placed
28	Close approach of the Moon and Saturn Conjunction of the Moon and Saturn Moon at First Quarter

March
1	Conjunction of Venus and Neptune
2	The Moon at apogee
3	The Theta Carinae cluster is well placed
8	Asteroid 6 Hebe at opposition Full Moon
10	The Wishing Well cluster is well placed
11	The Moon at aphelion Lunar occultation of Spica
12	Mercury at perihelion
13	Close approach of the Moon and Mars Conjunction of the Moon and Mars
14	Lunar occultation of Beta1 Scorpii
15	γ-Normid meteor shower 2031
16	Moon at Last Quarter Close approach of the Moon and Jupiter Conjunction of the Moon and Jupiter Conjunction of Mercury and Neptune Mercury at dichotomy
17	The Moon at perigee
18	Mercury at highest altitude in evening sky Mercury at greatest elongation east
20	March equinox The Moon at perihelion
22	New Moon
24	Conjunction of the Moon and Mercury
26	Close approach of the Moon and Venus Lunar occultation of Venus Conjunction of the Moon and Venus
27	Close approach of the Moon and Saturn Conjunction of the Moon and Saturn
28	Mars enters retrograde motion
30	The Moon at apogee Moon at First Quarter

April
2	Neptune at solar conjunction
3	The Sombrero Galaxy is well placed
4	Mercury at inferior solar conjunction
5	Messier 94 is well placed
6	The Jewel Box cluster is well placed 136472 Makemake at opposition
7	Full Moon
8	Lunar occultation of Spica
9	The Moon at aphelion Close approach of the Moon and Mars Conjunction of the Moon and Mars
10	Lunar occultation of Beta1 Scorpii
11	The Moon at perigee
12	Close approach of the Moon and Jupiter Conjunction of the Moon and Jupiter
14	Centaurus A is well placed Moon at Last Quarter
15	Omega Centauri is well placed The Whirlpool Galaxy is well placed Jupiter enters retrograde motion Conjunction of Venus and Ceres
16	Close approach of Venus and Saturn Venus at perihelion 136199 Eris at solar conjunction Conjunction of Venus and Saturn
17	Messier 83 is well placed
18	Messier 3 is well placed
19	The Moon at perihelion Conjunction of the Moon and Mercury
20	Conjunction of Saturn and Ceres
21	New Moon
23	Lyrid meteor shower 2031
24	Messier 101 is well placed π-Puppid meteor shower 2031 Close approach of the Moon and Saturn Lunar occultation of Saturn Conjunction of the Moon and Saturn
25	Conjunction of the Moon and Venus Close approach of the Moon and Venus Mercury at aphelion
27	The Moon at apogee
28	Conjunction of Venus and Uranus 136108 Haumea at opposition
29	Moon at First Quarter
30	Conjunction of Mercury and Neptune

May
2	Mercury at greatest elongation west
4	Mercury at highest altitude in morning sky Mars at opposition
5	Lunar occultation of Spica
6	η-Aquariid meteor shower 2031 Close approach of the Moon and Mars Conjunction of the Moon and Mars Mercury at dichotomy Full Moon Penumbral lunar eclipse
8	Lunar occultation of Beta1 Scorpii The Moon at aphelion
9	η-Lyrid meteor shower 2031 The Moon at perigee Close approach of the Moon and Jupiter Conjunction of the Moon and Jupiter
11	Mars at perigee
13	Messier 5 is well placed Moon at Last Quarter Conjunction of Mercury and Eris
19	The Moon at perihelion Conjunction of the Moon and Mercury
21	Annular solar eclipse New Moon
24	The Moon at apogee
25	Conjunction of the Moon and Venus
26	Conjunction of Uranus and Ceres
29	Messier 4 is well placed Moon at First Quarter
7	Venus at highest altitude in evening sky

June
1	Venus at dichotomy Lunar occultation of Spica
2	Venus at greatest elongation east Close approach of the Moon and Mars Conjunction of the Moon and Mars
3	The Great Globular Cluster in Hercules is well placed
2	Saturn at solar conjunction
4	Messier 12 is well placed Lunar occultation of Beta1 Scorpii
5	Penumbral lunar eclipse Full Moon
6	Close approach of the Moon and Jupiter Conjunction of the Moon and Jupiter The Moon at aphelion The Moon at perigee
7	Messier 10 is well placed
8	Messier 62 is well placed Mercury at superior solar conjunction Mercury at perihelion
11	Daytime Arietid meteor shower 2031
12	Messier 92 is well placed
11	Moon at Last Quarter
13	Mars ends retrograde motion
14	Uranus at solar conjunction Close approach of Venus and M44
15	Jupiter at opposition
16	Jupiter at perigee
17	NGC 6388 is well placed
18	The Butterfly cluster is well placed NGC 6397 is well placed Conjunction of the Moon and Saturn
19	The cluster IC 4665 is well placed The Moon at perihelion New Moon
21	The Ptolemy cluster is well placed Conjunction of the Moon and Mercury The Moon at apogee June solstice
22	Asteroid 7 Iris at opposition
23	Close approach of the Moon and Venus
24	The Lagoon Nebula is well placed
23	Conjunction of the Moon and Venus
25	NGC 6541 is well placed
27	1 Ceres at solar conjunction
28	June Bootid meteor shower 2031
27	Moon at First Quarter
29	Lunar occultation of Spica
30	The cluster NGC 6633 is well placed Close approach of the Moon and Mars Lunar occultation of Mars Conjunction of the Moon and Mars

July
2	Messier 22 is well placed Lunar occultation of Beta1 Scorpii
3	The cluster IC 4756 is well placed Close approach of the Moon and Jupiter Conjunction of the Moon and Jupiter
4	Full Moon The Moon at aphelion The Moon at perigee
5	Close approach of Mercury and M44
6	The Earth at aphelion
7	Venus at greatest brightness
11	The Great Peacock Globular Cluster is well placed
10	Mercury at dichotomy
11	Moon at Last Quarter
6	Mercury at highest altitude in evening sky
15	Mercury at greatest elongation east
16	Conjunction of the Moon and Saturn Close approach of the Moon and Saturn Lunar occultation of Saturn
18	Messier 55 is well placed The Moon at apogee
19	Neptune enters retrograde motion New Moon
20	The Moon at perihelion
21	Conjunction of the Moon and Mercury Close approach of the Moon and Venus Conjunction of the Moon and Venus
22	Mercury at aphelion
24	Conjunction of Venus and Mercury
26	Lunar occultation of Spica
27	Moon at First Quarter
28	Conjunction of the Moon and Mars Close approach of the Moon and Mars Lunar occultation of Mars Asteroid 11 Parthenope at opposition
29	Piscis Austrinid meteor shower 2031 Lunar occultation of Beta1 Scorpii
30	Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter Southern δ-Aquariid meteor shower 2031 α-Capricornid meteor shower 2031

August
2	The Moon at aphelion The Moon at perigee Full Moon
4	134340 Pluto at opposition
7	Venus at aphelion
9	Moon at Last Quarter
10	Venus at inferior solar conjunction
12	Mercury at inferior solar conjunction Close approach of the Moon and Saturn Lunar occultation of Saturn Conjunction of the Moon and Saturn
13	Perseid meteor shower 2031
14	The Moon at apogee
15	Messier 15 is well placed
16	Messier 2 is well placed Jupiter ends retrograde motion
18	New Moon κ-Cygnid meteor shower 2031
19	The Moon at perihelion
20	Asteroid 40 Harmonia at opposition
22	Lunar occultation of Spica
25	Conjunction of the Moon and Mars Close approach of the Moon and Mars Moon at First Quarter Lunar occultation of Beta1 Scorpii
26	Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
29	Mercury at greatest elongation west
31	Mercury at highest altitude in morning sky
30	The Moon at perigee The Moon at aphelion
31	Mercury at dichotomy

September
1	Full Moon Aurigid meteor shower 2031
4	Mercury at perihelion
8	Moon at Last Quarter
9	Close approach of the Moon and Saturn Lunar occultation of Saturn Conjunction of the Moon and Saturn
10	September ε-Perseid meteor shower 2031 Asteroid 29 Amphitrite at opposition
11	The Moon at apogee
13	Conjunction of the Moon and Venus Close approach of the Moon and Venus Lunar occultation of Venus
15	Venus at greatest brightness
16	New Moon
18	Lunar occultation of Spica
19	The Moon at perihelion
21	Lunar occultation of Beta1 Scorpii
22	Conjunction of the Moon and Mars Close approach of the Moon, Jupiter and Mars
23	September equinox Close approach of the Moon and Jupiter Conjunction of the Moon and Jupiter Moon at First Quarter Mercury at superior solar conjunction
26	NGC 55 is well placed
27	The Moon at perigee
28	47 Tuc is well placed Daytime Sextantid meteor shower 2031 The Moon at aphelion Close approach of Jupiter and Mars
29	Conjunction of Jupiter and Mars
30	Blue Moon

October
3	The Andromeda Galaxy is well placed
2	Uranus enters retrograde motion
4	NGC 253 is well placed
5	Saturn enters retrograde motion
6	The Small Magellanic Cloud is well placed NGC 300 is well placed October Camelopardalid meteor shower 2031 Close approach of the Moon and Saturn Conjunction of the Moon and Saturn
7	Neptune at opposition
8	NGC 362 is well placed Moon at Last Quarter
9	The Moon at apogee Draconid meteor shower 2031
10	136472 Makemake at solar conjunction
11	Southern Taurid meteor shower 2031
12	δ-Aurigid meteor shower 2031 Close approach of the Moon and Venus Conjunction of the Moon and Venus
16	The Triangulum Galaxy is well placed New Moon
17	Conjunction of the Moon and Mercury Close approach of the Moon and Mercury Lunar occultation of Mercury
18	The Moon at perihelion Mercury at aphelion
19	ε-Geminid meteor shower 2031 Lunar occultation of Beta1 Scorpii
20	136199 Eris at opposition Venus at dichotomy Close approach of the Moon and Jupiter Conjunction of the Moon and Jupiter
19	Venus at highest altitude in morning sky
21	Venus at greatest elongation west Close approach of the Moon and Mars Conjunction of the Moon and Mars
22	Orionid meteor shower 2031 The Moon at perigee Close approach of Mars and M22
23	Moon at First Quarter
25	Leonis Minorid meteor shower 2031
27	Asteroid 3 Juno at opposition
28	The Perseus Double Cluster is well placed
27	The Moon at aphelion
30	Full Moon Penumbral lunar eclipse

November
1	136108 Haumea at solar conjunction
2	Close approach of the Moon and Saturn Conjunction of the Moon and Saturn
5	The Moon at apogee
7	Moon at Last Quarter
9	Mercury at greatest elongation east
13	Mercury at highest altitude in evening sky
11	Close approach of the Moon and Venus Conjunction of the Moon and Venus
12	Lunar occultation of Spica
13	Northern Taurid meteor shower 2031
14	Mercury at dichotomy Hybrid solar eclipse New Moon Asteroid 2 Pallas at opposition
16	Mars at perihelion Conjunction of the Moon and Mercury The Moon at perihelion
17	Close approach of the Moon and Jupiter Conjunction of the Moon and Jupiter The Moon at perigee
18	Leonid meteor shower 2031 The Pleiades cluster is well placed
19	Conjunction of the Moon and Mars
21	Moon at First Quarter
22	α-Monocerotid meteor shower 2031
27	Venus at perihelion The Moon at aphelion Asteroid 23 Thalia at opposition
28	November Orionid meteor shower 2031 Full Moon The Hyades cluster is well placed
29	Close approach of the Moon and Saturn Conjunction of the Moon and Saturn Mercury at inferior solar conjunction

December
1	Mercury at perihelion
2	Pheonicid meteor shower 2031
3	The Moon at apogee
6	December φ-Cassiopeid meteor shower 2031 Moon at Last Quarter
7	Puppid-Velid meteor shower 2031 Conjunction of Mars and Pluto
9	Monocerotid meteor shower 2031
10	Lunar occultation of Spica
11	Close approach of the Moon and Venus Conjunction of the Moon and Venus Saturn at opposition
12	σ-Hydrid meteor shower 2031 Conjunction of the Moon and Mercury The Large Magellanic Cloud is well placed
14	Mercury at dichotomy New Moon Geminid meteor shower 2031 The Moon at perihelion
15	Conjunction of the Moon and Jupiter The Moon at perigee The Running Man cluster is well placed The Orion Nebula is well placed
16	Comae Berenicid meteor shower 2031
17	Uranus at opposition
18	Conjunction of the Moon and Mars
16	Mercury at highest altitude in morning sky
18	Mercury at greatest elongation west
20	December Leonis Minorid meteor shower 2031 Moon at First Quarter
21	December solstice
23	Ursid meteor shower 2031
24	Neptune ends retrograde motion
26	Conjunction of the Moon and Saturn Close approach of the Moon and Saturn Lunar occultation of Saturn
28	The Moon at aphelion Full Moon
29	The cluster NGC 2232 is well placed
30	Jupiter at apogee The Rosette Nebula is well placed
31	The Moon at apogee

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