Archive for July 10, 2015

07/10/2015 – Ephemeris – The celestial scorpion crawls over the horizon

July 10, 2015 Comments off

Ephemeris for Friday, July 10th.  Today the Sun will be up for 15 hours and 21 minutes, setting at 9:28.   The Moon, 2 days past last quarter, will rise at 2:44 tomorrow morning, and tomorrow the Sun will rise at 6:07.

The planet Saturn, this year, is on the right edge of the constellation of Scorpius the scorpion which is in the south at 11 p.m.  Its brightest star is Antares in its heart, a red giant star.  From Antares to the right is a star then a vertical arc of three stars that is its head.   The Scorpion’s tail is a line of stars running down to the left of Antares swooping to the horizon before coming back up and ending in a pair of stars that portray his poisonous stinger.  Scorpius looks huge lying on the southern horizon.  But if you go south Scorpius will be higher in the sky, and will look smaller.  Being close to the horizon from Michigan, Scorpius shares with the rising and setting sun and moon the illusion of increased size.

Times are for the Traverse City/Interlochen area of Michigan. They may be different for your location.



Scorpius from Traverse City/Interlochen at 11 p.m. on July 10, 2015. Created using Stellarium.