Astronomical Calendar for 2020

Year

Difficulty

June
2 The Great Globular Cluster in Hercules is well placed
The Moon at perigee
3 Venus at inferior solar conjunction
4 Messier 12 is well placed
1 Mercury at highest altitude in evening sky
4 Mercury at greatest elongation east
5 Full Moon
Penumbral lunar eclipse
6 Messier 10 is well placed
7 Messier 62 is well placed
6 The Moon at aphelion
8 Conjunction of the Moon and Jupiter
Close approach of the Moon and Jupiter
Conjunction of the Moon and Saturn
Close approach of the Moon and Saturn
10 Daytime Arietid meteor shower 2020
11 Messier 92 is well placed
12 Conjunction of Mars and Neptune
Conjunction of the Moon and Mars
Close approach of the Moon and Mars
13 Moon at Last Quarter
14 The Moon at apogee
16 NGC 6388 is well placed
17 The Butterfly cluster is well placed
NGC 6397 is well placed
18 Comet C/2019 U6 (Lemmon) passes perihelion
19 The cluster IC 4665 is well placed
Close approach of the Moon and Venus
Lunar occultation of Venus
Conjunction of the Moon and Venus
20 The Moon at perihelion
June solstice
21 The Ptolemy cluster is well placed
Annular solar eclipse
New Moon
22 Conjunction of the Moon and Mercury
Comet C/2019 U6 (Lemmon) reaches peak brightness
23 The Lagoon Nebula is well placed
22 Neptune enters retrograde motion
23 Mercury at aphelion
24 NGC 6541 is well placed
27 June Bootid meteor shower 2020
Asteroid 7 Iris at opposition
28 Moon at First Quarter
Comet C/2019 U6 (Lemmon) passes perigee
Conjunction of Jupiter and Pluto
29 The cluster NGC 6633 is well placed
The Moon at perigee
30 Mercury at inferior solar conjunction
October
1 Mercury at greatest elongation east
Full Moon
2 The Andromeda Galaxy is well placed
Conjunction of the Moon and Mars
Close approach of the Moon and Mars
Lunar occultation of Mars
3 The Moon at apogee
4 NGC 253 is well placed
5 The Small Magellanic Cloud is well placed
NGC 300 is well placed
Supernova SN2020uxz discovered
October Camelopardalid meteor shower 2020
6 Mars at perigee
Mercury at dichotomy
8 NGC 362 is well placed
Draconid meteor shower 2020
9 Moon at Last Quarter
10 Southern Taurid meteor shower 2020
11 δ-Aurigid meteor shower 2020
13 Comet C/2020 P1 (NEOWISE) passes perigee
Mars at opposition
Conjunction of the Moon and Venus
Close approach of the Moon and Venus
15 The Triangulum Galaxy is well placed
16 New Moon
136199 Eris at opposition
The Moon at perigee
17 Conjunction of the Moon and Mercury
18 ε-Geminid meteor shower 2020
The Moon at perihelion
19 Lunar occultation of Beta1 Scorpii
20 136108 Haumea at solar conjunction
Comet C/2020 P1 (NEOWISE) passes perihelion
21 The Great Conjunction of 2020
Supernova SN2020xtz discovered
Orionid meteor shower 2020
22 Conjunction of the Moon and Jupiter
Close approach of the Moon and Jupiter
Conjunction of the Moon and Saturn
23 Close approach of the Moon and Saturn
Moon at First Quarter
Asteroid 11 Parthenope at opposition
24 Leonis Minorid meteor shower 2020
25 Comet C/2020 M3 (ATLAS) passes perihelion
Mercury at inferior solar conjunction
27 The Perseus Double Cluster is well placed
26 Asteroid 471 Papagena at opposition
28 The Moon at aphelion
29 Conjunction of the Moon and Mars
Close approach of the Moon and Mars
30 The Moon at apogee
Venus at perihelion
31 Blue Moon
Uranus at opposition

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