Venus on Christmas Eve

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  • From: PA, USA, Earth Moderator
Venus on Christmas Eve
Posted by DaveMitsky on Wednesday, December 25, 2013 11:37 AM

I had a quick look at Venus yesterday evening, after returning from dinner at a local eatery.  As seen through my 80mm f/5 Orion ST80 refractor and 8-24mm Vixen and 3-6mm Tele Vue Nagler zoom eyepieces, Venus was a thin crescent of considerable angular size.  Earth's sister planet was illuminated a bit less than 10% and subtended almost 55 arc seconds.

By way of comparison, Jupiter subtended less than 47 arc aseconds as it rose in the east-northeast.

http://www.skyandtelescope.com/observing/highlights/See-Venuss-Thin-Crescent-236245001.html

Dave Mitsky

Sic itur ad astra!

Chance favors the prepared mind.

A man is a small thing, and the night is very large and full of wonders.

Moderator
  • Member since
    July, 2001
  • From: PA, USA, Earth Moderator
Posted by DaveMitsky on Thursday, December 26, 2013 9:33 PM

I had another look at Venus this evening using the ST80 and zoom eyepieces under mediocre conditions.  The rapidly-sinking planet spanned more than 56 arc seconds and was less than 8% illuminated.  

I was able to discern Venus as a crescent fairly readily through 10x50 Celestron Ultima and once or twice through 8x42 Celestron Regal binoculars.

Dave Mitsky

Sic itur ad astra!

Chance favors the prepared mind.

A man is a small thing, and the night is very large and full of wonders.

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