How bright are Venus and Jupiter?

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Nancy D
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How bright are Venus and Jupiter?

Post by Nancy D » Thu Nov 20, 2008 3:44 am

Can you guys tell me the magnitude of Venus and Jupiter at this time? I'm attending a star party for a homeschool group, and I want to be able to tell them how bright those planets are as an example.

Nancy D
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Re: How bright are Venus and Jupiter?

Post by Nancy D » Thu Nov 20, 2008 3:47 am

Oops, I'm sorry if this post is inappropriate. I wasn't thinking. This forum is to discuss the APOD's! Apologies.

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Case
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Re: How bright are Venus and Jupiter?

Post by Case » Thu Nov 20, 2008 4:28 am

Nancy D wrote:the magnitude of Venus and Jupiter at this time
Per November 20, 2008:
Mercury -0.23 mag
Venus -3.97 mag
Mars 1.87 mag
Jupiter -1.62 mag (slightly brighter than Sirius, the brightest star in the night sky at -1.47 mag.)
Saturn 1.23 mag
Uranus 5.99 mag
Neptune 7.92 mag
Pluto 14.89 mag

These days, Venus sets before the Sun, and is close to it, so she won't be visible.
(Source: Stellarium)
I, for one, like Roman numerals.

apodman
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Re: How bright are Venus and Jupiter?

Post by apodman » Thu Nov 20, 2008 5:10 am

Case wrote:Pluto 14.89 mag
Hang in there, Pluto!

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BMAONE23
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Re: How bright are Venus and Jupiter?

Post by BMAONE23 » Thu Nov 20, 2008 6:02 pm

Case wrote:
Nancy D wrote:the magnitude of Venus and Jupiter at this time
Per November 20, 2008:
Mercury -0.23 mag
Venus -3.97 mag
Mars 1.87 mag
Jupiter -1.62 mag (slightly brighter than Sirius, the brightest star in the night sky at -1.47 mag.)
Saturn 1.23 mag
Uranus 5.99 mag
Neptune 7.92 mag
Pluto 14.89 mag

These days, Venus sets before the Sun, and is close to it, so she won't be visible.
(Source: Stellarium)
Stellarium might be incorrect then because Venus is very visible after sunset and doesn't set until well after the sun. Mercury and Mars are both passing behind the sun at the moment (and are visible in current SOHO images)
Venus is at the (teapot lid) top of sagittarius at the moment

apodman
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Re: How bright are Venus and Jupiter?

Post by apodman » Thu Nov 20, 2008 10:55 pm

BMAONE23 wrote:... Venus is very visible after sunset and doesn't set until well after the sun. Mercury and Mars are both passing behind the sun at the moment ... Venus is at the (teapot lid) top of Sagittarius at the moment
That agrees with this chart:

http://www.mkas.org.uk/planetfinder.htm

Click "+hints" for a few constellation outlines to go with the planets.

Of course the planets will move and the chart will change, but it's good today (2008 Nov 20).

Nancy D
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Re: How bright are Venus and Jupiter?

Post by Nancy D » Fri Nov 21, 2008 1:36 am

Watch Jupiter and Venus get closer together and meet up with the crescent moon on December 1. Here's a link that was on Spaceweather.
http://science.nasa.gov/headlines/y2008 ... 1dec08.gif

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BMAONE23
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Re: How bright are Venus and Jupiter?

Post by BMAONE23 » Fri Nov 21, 2008 1:44 am

If you can spot the crescent moon during the day time Dec 1 you should also be able to see Venus making another daytime appearance

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Case
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Re: How bright are Venus and Jupiter?

Post by Case » Fri Nov 21, 2008 9:57 pm

BMAONE23 wrote:Stellarium might be incorrect then because Venus is very visible after sunset and doesn't set until well after the sun.
Mea culpa. I must have messed up something, because the program shows a scenery like your description when I tried it today. (Outside is just rain and clouds, otherwise I would have known and seen where Venus is.)
I, for one, like Roman numerals.

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