The Moon Passes Mars in the Pre-Dawn Sky


December 6th, 2015

The waning crescent Moon slips further toward the horizon and passes another planet in the pre-dawn sky. This time, it’s the turn of Mars, the red planet and, if you live in Egypt, or central or eastern Africa, you may see our natural satellite cover (or “occult”) the distant world. (See here for details.)

Mars is not yet at its brightest but it is growing brighter as it slowly escapes the glare of the Sun. It’s moving further into the night sky and will continue to brighten until it reaches its best in late May, when it will be seen close to Antares, its rival, throughout the night.


All Astronomical Events for December 6th, 2015

00:46 UT – The waning crescent Moon passes Mars. An occultation may be visible from some parts of the western hemisphere but details will vary depending upon your location. Check online for details. (Mars: 93% illuminated, magnitude 1.5, diameter 4.9”. Naked eye, Virgo, pre-dawn sky.)

18:55 UT – The waning crescent Moon passes Spica. (Naked eye, Virgo, pre-dawn sky.)



Events in bold involve objects and/or events that are visible with the naked eye.

All times are in Universal Time (UTC). To convert the time to your timezone, click here.

Astronomical events taken from 2015: An Astronomical Year, available in Kindle and paperback formats from Amazon in the US, Canada and the United Kingdom. Night sky simulations created using Mobile Observatory for Android devices.

2016 An Astronomical Year Paperback Cover 2016 The Night Sky Sights The Astronomical Almanac 2015-2019 Kindle Cover - Deep Sky Observer's Guide

Easy Things to See With a Small Telescope

2016: An Astronomical Year 2016: The Night Sky Sights The Astronomical Almanac (2015-2019) The Deep Sky Observer’s Guide

(Kindle & Paperback)

(Kindle & Paperback) (Kindle & Paperback) (Kindle & Paperback)


Amazon – US

Amazon – US Amazon – US Amazon – US Amazon – US
Amazon – UK Amazon – UK  Amazon – UK Amazon – UK

Amazon – UK

Details of all available books across the world can be found here or by visiting the author’s page on Amazon. If you have any comments or questions, please feel free to contact me at astronomywriter “at”


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