July 27, 2017

Astro-Event: A Very Old Moon Pairs with Venus.

As viewed from North America the moring of Novenebr 5th. (Created by the author in Starry Night).

As viewed from North America the morning of November 5th. (Created by the author in Starry Night).

 

     This week’s astronomy challenge ties in two potential visual challenges: sighting a very slender crescent Moon and a daylight occultation of Venus. A grouping of the next two brightest objects in the sky after the Sun is always a treat; the challenge comes from the fact that the celestial pairing will be very close to a brightening dawn horizon. Venus just passed inferior conjunction on October 28th; it will sport a 2% illuminated crescent about 60” seconds in size at magnitude -4.2. The Moon, meanwhile, will be about 1% illuminated and reaches New on November 6th at 04:52 Universal Time. [Read more...]