Basic Astronomy

Astronomical Calendar 2020


2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031

January February March April May June July August September October November December

EventsDateDescription
January
Quadrantid meteor shower3-4 Jan 2020

Quadrantid meteor shower will be peaked on 3rd and 4th January but it will be visible on 1-5 January 2020. One can see upto 40 meteors per hour during peak. Meteors seems to radiate from the constellation Bootes, close to the North Star. In 1932, the Quadrantid meteor shower showed maximum activity with 80 meteors per hour.

Earth's Perihelion5 Jan 2020

The Earth will reach its perihelion, the point on its orbit that is closest to the Sun at 07:47 UTC.

Penumbral Lunar Eclipse10 Jan 2020

February
Mercury at greatest Eastern elongation20 Feb 2020

March
Vernal equinox20 Mar 2020

Vernal equinox will take place at 03:50 UTC.

Mercury at greatest Western elongation24 Mar 2020

Venus at greatest Eastern elongation24 Mar 2020

April
Lyrid meteor shower21-22 Apr 2020

Lyrid is a medium intensity meteor shower. It usually produces about 20 meteors per hour in its peak. The shower will peak on 21-22 April but some meteors will be visible between 16 to 25th April. Meteors seems to radiate from the constellation Lyra.

May
Eta Aquarid meteor shower5-6 May 2020

Eta Aquarid is a low intensity meteor shower. It usually produces about 10 meteors per hour in its peak. The shower will peak on 5-6 May. Meteors seems to radiate from the constellation Aquarius.

June
Mercury at greatest Eastern elongation4 Jun 2020

Penumbral Lunar Eclipse5 Jun 2020

Jupiter at opposition5 Jun 2020

Annular Solar Eclipse 21st June 202021 Jun 2020

Summer Solstice22 Jun 2020

At 21:44 UTC.

July
Penumbral Lunar Eclipse 5th July 20205 Jul 2020

Jupiter at opposition14 Jul 2020

Saturn at opposition20 Jul 2020

Mercury at greatest Western elongation22 Jul 2020

August
Perseid meteor shower12-13th Aug 2020

Perseids are one of the strong meteor showers. It produce up to 60 meteors per hour at peak hours. Radiant point of this shower is in the constellation Perseus. These meteors originate from the tail of comet Swift-Tuttle.

Venus at greatest Western elongation13 Aug 2020

September
Neptune at opposition11 Sep 2020

Autumnal Equinox22 Sep 2020

At 13:31 UTC.

October
Mercury at greatest Eastern elongation1 Oct 2020

Mars at Opposition13 Oct 2020

Orionid meteor shower21-22 Oct 2020

Orionid is a medium intensity meteor shower and one can see about 25 meteors per hour.

Uranus at Opposition31 Oct 2020

November
Mercury at greatest Western elongation10 Nov 2020

Leonids meteor shower17-18th Nov 2020

Annual event of Leonid meteor shower can be seen on 16-17th November. Leonid meteor shower is visible towards the constellation Leo, the Lion. During Leonid meteor shower, Earth will pass through a stream of debris which is left behind by comet Tempel-Tuttle.

Penumbral Lunar Eclipse30 Nov 2020

December
Total Solar Eclipse14 Dec 2020

Geminids meteor shower13-14th Dec 2020

Geminids meteor shower is a strong meteor shower. Annual event of Geminids meteor shower take place on 13-14th December but some meteors will be visible between 6 to 19th December. For many observers, geminid is the best meteor shower. It can produce 60-80 meteors per hour at its peak.

Winter solstice21 Dec 2020

At 10:02 UTC.

Ursids meteor shower22-23 Dec 2020

Ursids meteor shower is a medium intensity meteor shower. Ursids meteor shower peaks on 22-23 December. It usually produces 5-10 meteors per hour but occasionally it can produce about 100 meteors per hour.

Terminology

Aphelion: Farthest position of a planet from the Sun.

Perihelion: Closest position of a planet from the Sun.

Apogee: the position of the Moon farthest from Earth.

Perigee: the position of the Moon closest from Earth.

Superior Conjunction: Venus or Mercury is on the opposite side of the Sun from Earth.

Inferior Conjunction: Venus or Mercury is between the Earth and Sun.

Greatest elongation: elongation is the angle between the Sun and a planet as seen from Earth, during eastern elongation, the planet appears as an evening star, during western elongation, the planet appears as a morning star.

Opposition: position in the orbit of a planet when opposites the Sun as seen from Earth.

Conjunction: position in the orbit of a planet when appears closer to the Sun as seen from Earth.

Occultation: Moon occults or eclipses a planet or a star.

Full moon and New moon: 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Meteor shower calendar

Apogee and Perigee of moon: 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020




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