Meet Gary Boyle with Backyard Astronomy

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Gary Boyle with Backyard Astronomy

Gary Boyle will help us gaze up at the skies knowingly once again by sharing his expertise about the wonders of our universe.

A seasoned professional, Gary enjoys sharing his considerable knowledge through outreach programs from lectures, columns, newsletters and tv appearances and writes a monthly column for the Royal Astronomical Society of Canada’s website entitled “The Sky This Month”.   His decades of service with the Royal Astronomical Society of Canada were appropriately recognized with the naming of asteroid (22406), Garyboyle.  Now based in Ottawa, he observes the night sky from a home-made backyard  observatory which permanently houses a research telescope as well as a heated control room. He is currently writing an astronomy book for beginners.

To learn more, visit his website at www.wondersofastronomy.com, or follow him on Twitter: @astroeducator


Star Gazing – The Gemini Twins

Castor and Pollux are bright stars belonging to the constellation Gemini and are part of the dozen bright stars that light up the winter sky. They represent the heads of the twin which were actually half brothers as stated in mythology. Located 34 light years away, Pollux is a magnitude 1.14 orange coloured star, It has a diameter of 9 or 10 times that of our Sun with a surface temperature of 5,000 C and cooler than our Sun‘s 5,600 C.

This star seems to have an outer corona comparable to our Sun. The exoplanet Pollux b resides 1.6 astronomical units from the parent star and takes 1.6 years to complete a circular orbit.

To the upper right of Pollux we find Castor. This white coloured spectral class A1 star shines at magnitude 1.58 and is located 52 light years from us. With a surface temperate about twice that of Pollux, Castor is a collection of three pairs of stars in a very unique dance. A telescope will show Castor’s close companion with both components Castor A & B are themselves doubles and possess a mysterious third double companion. Although components A & B orbit each other in 445 years, component C orbits A & B every 14,000 years.

One of the best examples of an open cluster is M35. Found near Castor’s foot, this group of 200 stars glows at magnitude 5.2 and is a fantastic object in binoculars. When viewed with a telescope, the tiny cluster NGC 2158 is now revealed. M35 is located 2,800 light years away while smaller NGC 2158 is four times farther from us.

The brilliant duo of planets Venus and Jupiter continues as Venus (brighter and left side of the two) keeps sinking to the south-eastern horizon on its way to rounding the sun in its orbit. Venus passes the planet Saturn on the morning of the 18th. Jupiter on the other hand is steadily climbing higher and rises just before 4 a.m. on February 1 and after 2 a.m. on February 28. Mars is still visible low in the western sky after dark moving from Aries to Taurus and is much fainter than its summer time show. It passes one degree north of the planet Uranus on February 13.

Clear skies.

Known as “The Backyard Astronomer”, Gary Boyle is an astronomy educator, guest speaker and monthly columnist for the Royal Astronomical Society of Canada. He has been interviewed on more than 50 Canadian radio stations and local Ottawa TV. In recognition of his public outreach in astronomy, the International Astronomical Union has honoured him with the naming of Asteroid (22406) Garyboyle. Follow him on Twitter: @astroeducator or his website: www.wondersofastronomy.com

By Gary Boyle – The Backyard Astronomer

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