Calendar of Astronomical Events

Astronomical Calendar for 2018

January
1	The Moon at perigee Mercury at greatest elongation west The Moon at aphelion Full Moon Asteroid 8 Flora at opposition
2	Uranus ends retrograde motion The cluster Messier 41 is well placed
3	The Earth at perihelion Quadrantid meteor shower 2018
5	Lunar occultation of Regulus
6	Close approach of Jupiter and Mars Conjunction of Jupiter and Mars
8	Moon at Last Quarter
9	Venus at superior solar conjunction 134340 Pluto at solar conjunction
11	Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter Conjunction of the Moon and Mars Close approach of the Moon and Mars
12	Supernova SN2018gj discovered
13	Conjunction of Mercury and Saturn
15	Supernova SN2018gv discovered
14	Conjunction of the Moon and Saturn The Moon at apogee
15	Conjunction of the Moon and Mercury The cluster Messier 47 is well placed NGC 2403 is well placed
16	The Moon at perihelion New Moon
17	The cluster NGC 2451 is well placed
19	γ-Ursae Minorid meteor shower 2018
20	Supernova SN2018is discovered The cluster NGC 2516 is well placed
23	Venus at aphelion The cluster NGC 2547 is well placed
24	Conjunction of Mercury and Pluto Moon at First Quarter
25	Mercury at aphelion
27	Close approach of the Moon and Collinder 50 Lunar occultation of Aldebaran
30	The Moon at perigee 1 Ceres at opposition
31	Blue Moon Total lunar eclipse The Beehive cluster is well placed The Omicron Velorum cluster is well placed The cluster IC 2395 is well placed

February
1	The Moon at aphelion Lunar occultation of Regulus
7	Moon at Last Quarter Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
8	α-Centaurid meteor shower 2018 NGC 2808 is well placed
9	Conjunction of the Moon and Mars Close approach of the Moon and Mars
11	The Moon at apogee Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
13	The Moon at perihelion
15	Partial solar eclipse New Moon
17	Mercury at superior solar conjunction
19	Messier 81 is well placed
21	The cluster NGC 3114 is well placed
23	Moon at First Quarter Close approach of the Moon and Collinder 50 Lunar occultation of Aldebaran
27	The Moon at perigee The cluster IC 2581 is well placed

March
1	Supernova SN2018yu discovered Lunar occultation of Regulus
2	Supernova SN2018zd discovered
1	Full Moon
3	Supernova SN2018zz discovered The Theta Carinae cluster is well placed
4	The Moon at aphelion Neptune at solar conjunction
5	Conjunction of Venus and Mercury
7	Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
8	Jupiter enters retrograde motion
9	Moon at Last Quarter The Wishing Well cluster is well placed Conjunction of the Moon and Mars Close approach of the Moon and Mars
10	Mercury at perihelion Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
11	The Moon at apogee
14	Mercury at dichotomy The Moon at perihelion γ-Normid meteor shower 2018
15	Mercury at highest altitude in evening sky Mercury at greatest elongation east
17	New Moon Conjunction of Venus and Mercury
18	Conjunction of the Moon and Mercury Conjunction of the Moon and Venus
20	March equinox
22	Close approach of the Moon and Collinder 50 Lunar occultation of Aldebaran
24	136472 Makemake at opposition Moon at First Quarter
26	The Moon at perigee
28	Lunar occultation of Regulus Conjunction of Venus and Uranus
31	Blue Moon

April
1	Mercury at inferior solar conjunction Close approach of Mars and M22
2	Supernova SN2018aoz discovered Conjunction of Mars and Saturn Close approach of Mars and Saturn
3	The Sombrero Galaxy is well placed The Moon at aphelion Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
5	Messier 94 is well placed
6	The Jewel Box cluster is well placed
7	Conjunction of the Moon and Saturn Close approach of the Moon and Saturn Close approach of the Moon and Mars Conjunction of the Moon and Mars Saturn at aphelion
8	The Moon at apogee Moon at Last Quarter
13	The Moon at perihelion 136199 Eris at solar conjunction
14	Centaurus A is well placed Omega Centauri is well placed Conjunction of the Moon and Mercury 136108 Haumea at opposition
15	The Whirlpool Galaxy is well placed New Moon
17	Messier 83 is well placed Conjunction of the Moon and Venus
18	Messier 3 is well placed
17	Saturn enters retrograde motion
18	Uranus at solar conjunction Close approach of the Moon and Collinder 50
19	Lunar occultation of Aldebaran
20	The Moon at perigee
22	Lyrid meteor shower 2018 Moon at First Quarter
23	Mercury at aphelion
24	π-Puppid meteor shower 2018 Messier 101 is well placed Lunar occultation of Regulus
25	Conjunction of Mars and Pluto
29	Mercury at greatest elongation west
30	Mercury at highest altitude in morning sky
29	Full Moon
30	1 Ceres at perihelion Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter

May
2	The Moon at aphelion
3	Mercury at dichotomy
4	Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
5	The Moon at apogee
6	Close approach of the Moon and Mars Conjunction of the Moon and Mars η-Aquariid meteor shower 2018
7	Moon at Last Quarter
8	η-Lyrid meteor shower 2018 Jupiter at opposition
10	Jupiter at perigee
11	Conjunction of Mercury and Eris
12	Conjunction of Mercury and Uranus
13	Messier 5 is well placed The Moon at perihelion Conjunction of the Moon and Mercury
15	New Moon Venus at perihelion
17	Conjunction of the Moon and Venus The Moon at perigee
20	Close approach of the Moon and M44
21	Moon at First Quarter
27	Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
29	Messier 4 is well placed Full Moon
31	The Moon at aphelion Conjunction of the Moon and Saturn Close approach of the Moon and Saturn

June
2	The Moon at apogee
3	The Great Globular Cluster in Hercules is well placed Close approach of the Moon and Mars Conjunction of the Moon and Mars
4	Messier 12 is well placed
5	Mercury at superior solar conjunction
6	Mercury at perihelion Moon at Last Quarter
7	Messier 10 is well placed
8	Messier 62 is well placed
10	Daytime Arietid meteor shower 2018
12	Messier 92 is well placed The Moon at perihelion
13	New Moon
14	The Moon at perigee Asteroid 29 Amphitrite at opposition
16	Close approach of the Moon and Venus Conjunction of the Moon and Venus Asteroid 9 Metis at opposition Close approach of the Moon and M44
17	NGC 6388 is well placed
18	The Butterfly cluster is well placed NGC 6397 is well placed Neptune enters retrograde motion
19	The cluster IC 4665 is well placed
18	Asteroid 4 Vesta at opposition
20	Close approach of Venus and M44 Moon at First Quarter
21	The Ptolemy cluster is well placed June solstice
23	Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
24	The Lagoon Nebula is well placed
25	NGC 6541 is well placed
26	Mars enters retrograde motion
27	Saturn at opposition June Bootid meteor shower 2018 Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
28	Full Moon The Moon at aphelion
30	The cluster NGC 6633 is well placed
29	The Moon at apogee
30	Close approach of the Moon and Mars Conjunction of the Moon and Mars
6	Venus at highest altitude in evening sky

July
2	Messier 22 is well placed
3	The cluster IC 4756 is well placed
4	Close approach of Mercury and M44
6	Moon at Last Quarter The Earth at aphelion
7	Mercury at dichotomy
10	Close approach of the Moon and Collinder 50 Lunar occultation of Aldebaran Jupiter ends retrograde motion
11	The Great Peacock Globular Cluster is well placed
3	Mercury at highest altitude in evening sky
12	Mercury at greatest elongation east 134340 Pluto at opposition New Moon Partial solar eclipse
13	The Moon at perigee The Moon at perihelion
14	Conjunction of the Moon and Mercury
15	Conjunction of the Moon and Venus
16	Close approach of the Moon and Venus
18	Messier 55 is well placed
19	Moon at First Quarter
20	Mercury at aphelion Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
21	Conjunction of Venus and Ceres
25	Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
26	The Moon at aphelion
27	Mars at opposition The Moon at apogee Close approach of the Moon and Mars Full Moon Total lunar eclipse Conjunction of the Moon and Mars
29	Piscis Austrinid meteor shower 2018
30	Southern δ-Aquariid meteor shower 2018 α-Capricornid meteor shower 2018
31	Mars at perigee

August
3	Supernova SN2018eqq discovered
4	Moon at Last Quarter
6	Close approach of the Moon and Collinder 50 Lunar occultation of Aldebaran
7	Uranus enters retrograde motion
8	Mercury at inferior solar conjunction
10	The Moon at perigee
11	Partial solar eclipse New Moon
12	The Moon at perihelion
13	Perseid meteor shower 2018
14	Conjunction of the Moon and Venus Close approach of the Moon and Venus
15	Messier 15 is well placed Venus at dichotomy
16	Messier 2 is well placed
17	Venus at greatest elongation east Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
18	κ-Cygnid meteor shower 2018 Moon at First Quarter
21	Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
23	The Moon at apogee Close approach of the Moon and Mars Conjunction of the Moon and Mars
24	The Moon at aphelion
26	Full Moon Mercury at greatest elongation west
28	Mercury at highest altitude in morning sky
27	Mars ends retrograde motion
28	Mercury at dichotomy

September
1	Aurigid meteor shower 2018
2	Mercury at perihelion Close approach of the Moon and Collinder 50 Lunar occultation of Aldebaran Moon at Last Quarter
5	Venus at aphelion
6	Saturn ends retrograde motion Close approach of the Moon and M44
7	Neptune at opposition The Moon at perigee
9	September ε-Perseid meteor shower 2018 New Moon
11	The Moon at perihelion
13	Conjunction of the Moon and Jupiter
14	Close approach of the Moon and Jupiter Comet 21P/Giacobini-Zinner passes perihelion
16	Mars at perihelion Moon at First Quarter
17	Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
19	Asteroid 30 Urania at opposition The Moon at apogee
20	Close approach of the Moon and Mars Conjunction of the Moon and Mars Mercury at superior solar conjunction
21	The Moon at aphelion
22	September equinox
24	Full Moon
25	Venus at greatest brightness
26	NGC 55 is well placed
27	136472 Makemake at solar conjunction Daytime Sextantid meteor shower 2018
28	47 Tuc is well placed
29	Close approach of the Moon and Collinder 50

October
2	Moon at Last Quarter
3	The Andromeda Galaxy is well placed
4	NGC 253 is well placed Close approach of the Moon and M44
5	The Small Magellanic Cloud is well placed The Moon at perigee
6	NGC 300 is well placed October Camelopardalid meteor shower 2018
7	1 Ceres at solar conjunction
8	NGC 362 is well placed Supernova SN2018hdp discovered
9	Draconid meteor shower 2018
8	New Moon
9	Conjunction of the Moon and Mercury
10	Southern Taurid meteor shower 2018
11	δ-Aurigid meteor shower 2018 Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter The Moon at perihelion
14	Conjunction of Venus and Mercury Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
16	The Triangulum Galaxy is well placed Mercury at aphelion Moon at First Quarter 136199 Eris at opposition
17	The Moon at apogee
18	Close approach of the Moon and Mars Conjunction of the Moon and Mars ε-Geminid meteor shower 2018 136108 Haumea at solar conjunction
21	Orionid meteor shower 2018 The Moon at aphelion
22	Supernova SN2018hna discovered
23	Uranus at opposition
24	Full Moon Leonis Minorid meteor shower 2018
26	Venus at inferior solar conjunction
27	The Perseus Double Cluster is well placed
29	Conjunction of Jupiter and Mercury
31	Supernova SN2018htt discovered Close approach of the Moon and M44 Moon at Last Quarter The Moon at perigee

November
6	Supernova SN2018hzg discovered
5	Conjunction of the Moon and Venus
6	Mercury at greatest elongation east
10	Mercury at highest altitude in evening sky
7	New Moon
8	Conjunction of the Moon and Jupiter
9	Supernova AT2018irv discovered Conjunction of the Moon and Mercury The Moon at perihelion
11	Conjunction of the Moon and Saturn Close approach of the Moon and Saturn Mercury at dichotomy
12	Northern Taurid meteor shower 2018
13	Comet 38P/Stephan-Oterma passes perihelion
14	The Moon at apogee
15	Moon at First Quarter Conjunction of the Moon and Mars Close approach of the Moon and Mars Lunar occultation of Mars
17	Leonid meteor shower 2018 Asteroid 3 Juno at opposition
18	The Pleiades cluster is well placed
21	The Moon at aphelion α-Monocerotid meteor shower 2018
23	Full Moon Jupiter at apogee
24	Neptune ends retrograde motion
26	Jupiter at solar conjunction The Moon at perigee
27	Mercury at inferior solar conjunction Comet C/2018 V1 (Machholz-Fujikawa-Iwamoto) passes perigee Close approach of the Moon and M44
28	November Orionid meteor shower 2018 The Hyades cluster is well placed
29	Mercury at perihelion Moon at Last Quarter Venus at greatest brightness
30	Comet C/2018 L2 (ATLAS) passes perihelion

December
2	Pheonicid meteor shower 2018
3	Comet C/2018 V1 (Machholz-Fujikawa-Iwamoto) passes perihelion Conjunction of the Moon and Venus Close approach of the Moon and Venus
5	Conjunction of the Moon and Mercury
6	December φ-Cassiopeid meteor shower 2018
7	New Moon Puppid-Velid meteor shower 2018 Close approach of Mars and Neptune Conjunction of Mars and Neptune
8	Asteroid 40 Harmonia at opposition The Moon at perihelion
9	Conjunction of the Moon and Saturn Monocerotid meteor shower 2018
11	Mercury at dichotomy
12	σ-Hydrid meteor shower 2018 Comet 46P/Wirtanen passes perihelion The Moon at apogee The Large Magellanic Cloud is well placed
14	Comet 46P/Wirtanen reaches peak brightness Comet 46P/Wirtanen passes perigee Geminid meteor shower 2018 Conjunction of the Moon and Mars Close approach of the Moon and Mars
15	Moon at First Quarter
13	Mercury at highest altitude in morning sky
15	Mercury at greatest elongation west The Running Man cluster is well placed The Orion Nebula is well placed
16	Comae Berenicid meteor shower 2018
17	Asteroid 433 Eros at opposition
20	December Leonis Minorid meteor shower 2018
21	Conjunction of Jupiter and Mercury December solstice The Moon at aphelion
22	Full Moon Ursid meteor shower 2018
24	The Moon at perigee
25	Close approach of the Moon and M44
26	Venus at perihelion
28	The cluster NGC 2232 is well placed Conjunction of Venus and Ceres
29	Moon at Last Quarter Asteroid 6 Hebe at opposition The Rosette Nebula is well placed
13	Venus at highest altitude in morning sky

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