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Astronomy Events

2017 Astronomical Event Calendar


This listing gives notable astronomical events in our solar system, including eclipses, meteor showers, periodic comets, phases of the moon, and motions of the planets.

January 2017

Jan 3-4: Quadrantids meteor shower
Jan 12: Full Moon phase (Wolf Moon)
Jan 12: Venus at greatest eastern elongation
Jan 19: Mercury at greatest western elongation
Jan 28: New Moon phase


February 2017

Feb 11: Full Moon phase (Snow Moon)
Feb 11: Penumbral lunar eclipse
Feb 26: New Moon phase
Feb 26: Annular solar eclipse


March 2017

Mar 12: Full Moon phase (Worm Moon)
Mar 20: Vernal equinox (10:29 UTC)
Mar 28: New Moon phase


April 2017

Apr 1: Mercury at greatest eastern elongation
Apr 7: Jupiter at opposition
Apr 11: Full Moon phase (Pink Moon)
Apr 22-23: Lyrid meteors
Apr 26: New Moon phase


May 2017

May 6-7: Eta Aquarid meteors
May 10: Full Moon phase (Flower Moon)
May 17: Mercury at greatest western elongation
May 25: New Moon phase


June 2017

Jun 3: Venus at greatest western elongation
Jun 9: Full Moon phase (Strawberry Moon)
Jun 15: Saturn at opposition
Jun 21: Summer Solstice(04:24 UTC)
Jun 24: New Moon phase


July 2017

Jul 9: Full Moon phase (Buck Moon)
Jul 23: New Moon phase
Jul 28-29: Southern Delta Aquarids meteors


August 2017

Aug 7: Full Moon phase (Sturgeon Moon)
Aug 7: Partial lunar eclipse
Aug 12-13: Perseids meteors
Aug 21: New Moon phase
Aug 21: Total solar eclipse


September 2017

Sep 5: Neptune at opposition
Sep 6: Full Moon phase (Corn Moon)
Sep 12: Mercury at greatest western elongation
Sep 20: New Moon phase
Sep 22: Autumnal Equinox(20:02 UTC)


October 2017

Oct 5: Full Moon phase (Hunters Moon)
Oct 7: Draconids meteors
Oct 19: New Moon phase
Oct 19: Uranus at Opposition
Oct 21-22: Orionids meteors


November 2017

Nov 4: Full Moon phase (Beaver Moon)
Nov 4-5: Taurids meteors
Nov 13: Conjunction of Venus and Jupiter
Nov 17-18: Leonid meteors
Nov 18: New Moon phase
Nov 24: Mercury at greatest eastern elongation


December 2017

Dec 3: Full Moon phase (Supermoon, Cold Moon)
Dec 13-14: Geminid meteors
Dec 18: New Moon phase
Dec 21: Winter solstice (16:28 UTC)
Dec 21-22: Ursids meteors



Astronomy Event Definitions:

Apogee: point in the Moon's orbit when it is farthest from Earth.

Conjunction: Occurs when two or more bodies appear close together in the sky.

Elongation: is the apparent angular separation of an object from the Sun. Greatest elongation is best for viewing as it is at it's highest point above the horizon.

Inferior conjunction: When planet Mercury or Venus pass between the Sun and the Earth.

Occultation: Passage of one object in front of a smaller one, thus obscuring all or part of the background object from view.

Opposition: When a planet farther from the Sun than Earth appears opposite the Sun in the sky. This is the best time to observe a planet as it is closet to the Earth.

Perigee: point in the Moon's orbit when it is nearest to Earth.

Stationary: Object appears motionless in the sky due to the turning point between its direct and retrograde motion.

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