October 24, 2017

AstroEvent: Herschel 3945-A Clone of Albireo.

  

A “pretty pair…” (Photo by Author). 

Probably the most famous star party doubles are Alcor & Mizar in the Big Dipper and Albireo in Cygnus. Both provide a good, wide separation, and in the case of Albireo, a good color contrast. Plus, double stars provide a good “punch through” of the light pollution haze for down-town astronomy, and may save the show when the Moon or planets aren’t above the horizon and even the best nebulae such as M42 evoke remarks like “what, you mean that fuzzy smudge?” [Read more...]

Astro-Event: Venus at Greatest Elongation.

Venus earlier this year as seen from Astroguyz HQ. (Photo by Author).

Venus earlier this year as seen from Astroguyz HQ. (Photo by Author).

 

   Our nearest planetary neighbor is about to put on a brilliant dusk showing. The planet Venus reaches greatest elongation, or its maximum separation from the Sun as observed from the Earth on August 19th. From there, it will begin a long dive towards inferior conjunction with the Sun on October 28th, slendering in phase from half-lit to crescent and increasing in angular size as it does so. Venus is now the brightest object high in the west at dusk. Tonight on August 13th, a nice grouping of Venus, Mars, Saturn and the three day old Moon occurs after sunset. [Read more...]