Basic Astronomy

Astronomical Calendar 2015


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

EventsDateDescription
January
Quadrantid meteor shower3-4 Jan 2015

Quadrantid meteor shower will be peaked on 3rd and 4th January but it will be visible on 1-5 January 2015. 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.

Full Moon5th Jan 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 04:53 UTC.

New Moon20th Jan 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 13:14 UTC.

February
Dawn encounter with dwarf planet Ceres Feb 2015

Dawn spacecraft of NASA will encounter the dwarf planet Ceres sometime in February 2015. Ceres is the largest object in the asteroid belt between Mars and Jupiter. It is 950 kilometers (590 miles) in diameter and is large enough to have a round shape. Because of its size and shape, the object is officially classified as a dwarf planet, which puts it in the same category as Pluto. The spacecraft Dawn will spend several months studying Ceres and will send back the first close-up images of a dwarf planet in our Solar System.

Full Moon3th Feb 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 23:09 UTC.

Jupiter at opposition6th Feb 2015Jupiter and Earth will be at their closest distance from one another. Jupiter will also be fully illuminated by the Sun making this the ideal time to observe and photograph it.

New Moon18th Feb 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 23:47 UTC.

March
Full Moon5th Mar 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 18:05 UTC.

New Moon20th Mar 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 09:36 UTC.

Total Solar Eclipse20th Mar 2015

On 20th March 2015, a total solar eclipse will take place. A total solar eclipse take place when the moon completely blocks the Sun, revealing the Sun's beautiful outer atmosphere, known as the corona. This eclipse will begin in the central Atlantic Ocean and move towards north across Greenland and into northern Siberia.

March Equinox20th Mar 2015

The March equinox will take place at 22:45 UTC. On this day the Sun will shine directly on the equator and there will be nearly equal amounts of day and night throughout the Earth. This is the first day of spring (vernal equinox) in the Northern Hemisphere and the first day of fall (autumnal equinox) in the Southern Hemisphere.

April
Full Moon4th Apr 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 12:05 UTC.

Total lunar eclipse4th Apr 2015

A total lunar eclipse take place when the Moon hides behind the Earth's dark shadow, or umbra. This is the shortest total lunar eclipse of the 21st century. The eclipse will be visible from most part of North America, South America, eastern Asia and Australia.

New Moon18th Apr 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 18:57 UTC.

Lyrid meteor shower21-22 Apr 2015

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
Full Moon4th May 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 03:42 UTC.

Eta Aquarid meteor shower5-6 May 2015

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.

New Moon18th May 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 04:13 UTC.

Saturn at Opposition23rd May 2015

Saturn and Earth will be at their closest distance from one another. Saturn will also be fully illuminated by the Sun making this the ideal time to observe and photograph it.

June
Full Moon2nd Jun 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 16:19 UTC.

New Moon16th Jun 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 14:05 UTC.

June Solstice21st Jun 2015

The June solstice will take place at 16:38 UTC. This is the first day of summer (summer solstice) in the Northern Hemisphere and the first day of winter (winter solstice) in the Southern Hemisphere. The North Pole of the Earth will be tilted toward the Sun, which will have reached its northernmost position in the sky and will be directly over the Tropic of Cancer at 23.44 degrees north latitude.

July
Full Moon2nd Jul 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 02:20 UTC.

New Horizons space craft at Pluto14th Jul 2015

New Horizons spacecraft of NASA is scheduled to arrive at Pluto after a nine and a half year journey. The space craft was launched on 19th Jan, 2006. New Horizons will be the first spacecraft to visit Pluto. The spacecraft will give us our first close-up views of Pluto and its moons. After passing Pluto, the spacecraft will continue on to the Kuiper belt to examine some of the other icy bodies at the edge of the Solar System.

New Moon16th Jul 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 01:24 UTC.

Full Moon31st Jul 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 10:43 UTC.

August
Perseid meteor shower12-13th Aug 2015

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.

New Moon14th Aug 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 14:53 UTC.

Full Moon29th Aug 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 18:35 UTC.

September
Neptune at Opposition1st Sep 2015

Neptune and Earth will be at their closest distance from one another. Neptune will also be fully illuminated by the Sun making this the ideal time to observe it. Due to large distance of the planet, you will need a telescope to observe it, even at the time of opposition.

New Moon13th Sep 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 06:41 UTC.

Partial Solar Eclipse13th Sep 2015

The partial solar eclipse will only be visible in southern Africa, Madagascar and Antarctica. A partial solar eclipse take place when the Moon covers only a part of the Sun.

Full Moon28th Sep 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 02:50 UTC.

Total Lunar Eclipse28th Sep 2015

The eclipse will be visible from most part of North and South America, Europe, Africa, and western Asia. A total lunar eclipse take place when the Moon passes completely through the Earth's dark shadow.

October
Uranus at Opposition11th Oct 2015

Uranus and Earth will be at their closest distance from one another. Uranus will also be fully illuminated by the Sun making this the ideal time to observe it. Due to large distance of the planet, you will need a telescope to observe it, even at the time of opposition.

New Moon13th Oct 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 00:06 UTC.

Orionid meteor shower21-22 Oct 2015

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

Full Moon27th Oct 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 12:05 UTC.

November
Leonids meteor shower17-18th Nov 2015

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.

New Moon11th Nov 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 17:47 UTC.

Full Moon25th Nov 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 22:44 UTC.

December
New Moon11th Dec 2015

Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 10:29 UTC.

Geminids meteor shower13-14th Dec 2015

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.

Ursids meteor shower22-23 Dec 2015

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.

Full Moon25th Dec 2015

Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 11:11 UTC.

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: 2013 2014 2015 2016

Meteor shower calendar

Apogee and Perigee of moon: 2013 2014 2015 2016

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