Sky Notes - March 2017

In this month's edition:

  • Planetary Skylights: Venus, Mercury, Mars, Jupiter, Saturn
  • Meteor Showers: Virginids
  • March 2017 Sky Charts

In this month's edition:

  • Planetary Skylights: Venus, Mars, Jupiter, Saturn
  • Meteor Showers: Aurigids
  • Comet 45P and 2P Encke
  • February 2017 Sky Charts

In this month's edition:

  • Planetary Skylights: Venus, Mars, Neptune, Mercury, Saturn
  • Meteor Showers: Quadrantids
  • Comet 45P
  • January 2017 Sky Charts

In this month's edition:

  • Planetary Skylights: Mercury, Venus, Mars, Juipter & Neptune
  • Meteor Showers: Geminids, Usrids
  • Winter Solstice
  • December 2016 Sky Charts

In this month's edition:

  • Planetary Skylights: Saturn, Venus, Mars & Juipter
  • Meteor Showers: Leonids, South & North Taurids
  • November 2016 Sky Charts

In this month's edition:

  • Planetary Skylights: Venus, Saturn, Mars, Jupiter and Mercury
  • Meteor Showers: Piscids, Giacobinids/Draconids and Orionids
  • October 2016 Sky Charts

In this month's edition:

  • Planetary Skylights: Venus, Saturn, Mars, and Mercury
  • Meteor Showers: sparse Piscids
  • September 2016 Sky Charts

In this month's edition:

  • Planetary Skylights: Jupiter, Mercury, Venus, Mars, and Saturn
  • Meteor Showers: Perseids
  • August 2016 Sky Charts

Sky Notes - July 2016

In this month's edition:

  • Planetary Skylights: Jupiter, Mars, Saturn and Pluto
  • Meteor Showers: Capri-Cornids, Alpha-Cygnids and Delta-Aquarids
  • July 2016 Sky Charts

The Twilight Zones

As we head toward summer, nights grow ever lighter with the deepest level of darkness; known as astronomical twilight, absent until early August.  The duration of the three ’twilight zones’ continually change from mid northern latitudes, but is perhaps most noticeable around the solstices - particularly the summer solstice.

Using the evening as an example, following sunset civil twilight exists until the Sun drops six degrees below the horizon... [Read more about The Twilight Zones]

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