Astronomer's Blog

October 14, 2014
Constellation Triangulum, the Triangle

Pages 1 and 2 of the constellation, Triangulum, the Triangle

Best night for viewing - Beginning at Sunset - October 23 --- and ending at --- Sunrise - October 24

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By Warren Hart
Constellation Triangulum Australe, the Southern Triangle

Pages 1 and 2 of the constellation, Triangulum Australe, the Southern Triangle

Best night for viewing - Beginning at Sunset - May 23 --- and ending at --- Sunrise - May 24

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By Warren Hart
July 7, 2015
Constellation Tucana, the Toucan (Bird)

Pages 1 and 2 of the constellation, Tucana, the Toucan (Bird)

Best night for viewing - Beginning at Sunset - September 17 --- and ending at --- Sunrise - September 18

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By Warren Hart
Constellation Ursa Major, the Big Bear

Pages 1 and 2 of the constellation, Ursa Major, the Big Bear

Best night for viewing - Beginning at Sunset - March 02 --- and ending at --- Sunrise - March 03

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By Warren Hart
Constellation Ursa Minor, the Little Bear

Pages 1 and 2 of the constellation, Ursa Minor, the Little Bear

Best night for viewing - Beginning at Sunset - May 03 --- and ending at --- Sunrise - May 04

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By Warren Hart
January 27, 2015
Constellation Vela, the Sail (of the ship Argo Navis)

Pages 1 and 2 of the constellation, Vela, the Sail (of the ship Argo Navis)

Best night for viewing - Beginning at Sunset - February 15 --- and ending at --- Sunrise - February 16

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By Warren Hart
March 6, 2015
Constellation Virgo, the Maiden / Virgin

Last updated on: 3-10-2015

Pages 1 and 2 of the constellation, Virgo, the Maiden / Virgin

Best night for viewing - Beginning at Sunset - April 12 --- and ending at --- Sunrise - April 13

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By Warren Hart
Constellation Volans, the Flying Fish

Pages 1 and 2 of the constellation, Volans, the Flying Fish

Best night for viewing - Beginning at Sunset - January 17 --- and ending at --- Sunrise - January 18

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By Warren Hart
July 14, 2016
Constellation Vulpecula, the Fox

Pages 1 and 2 of the constellation, Vulpecula, the Fox

Best night for viewing - Beginning at Sunset - July 27 --- and ending at --- Sunrise - July 28

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By Warren Hart
Direct (Prograde) and Retrograde Motion

The following definitions and 9 diagrams should help explain and visualize direct (prograde) and retrograde motions

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By Warren Hart
September 17, 2015
Phases of the Moon

Two views of the relationship between the Sun, Earth, and the Moon

(1) As seen from the Earth

(2) As seen from above the Earth's North Pole

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By Warren Hart
September 17, 2015
Solar and Lunar Eclipses

These six pages illustrate why there is not a Solar eclipse every time there is a 'New' Moon and why there is not a Lunar eclipse every time there is a 'Full' Moon

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By Warren Hart