Go Stargazing! October edition


October 6, 2008
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David & Goliath II
Creative Commons License photo credit: maxedaperture

Jupiter remains well placed for observing this month.  It outshines everything except the Moon and Venus and is therefore easy to find in the south-southwest at dusk.  Venus continues to re-emerge into the evening sky.  Although it is low in the west southwest during evening twilight, Venus outshines everything in the sky except the Sun and the Moon, so viewers with clear views to the west southwest should be able to find it right after sundown.  Saturn has also emerged into the morning sky; face east at dawn to see it.  Late October is a good time to observe Mercury before dawn.  Greatest elongation (that is, greatest apparent distance from the Sun) is October 22.  You can look for about a week to either side of that date; Mercury is slightly brighter in the days following greatest elongation if it’s at dawn.  Mars is lost in the Sun’s glare this month and will remain out of sight until 2009. 

Sagittarius Region
Creative Commons License photo credit: makelessnoise

The Big Dipper happens to be to the lower left of the North Star at dusk this month; you’ll need a clear northern horizon to get a good look at it.  Sagittarius, the Archer, known for its ‘teapot’ asterism, is in the southwest (Jupiter is in Sagittarius).  Look for the enormous Summer Triangle, consisting of the stars Deneb, Vega, and Altair, high in the west.   As familiar summer patterns shift to the west, the constellations of autumn take center stage.  The Great Square of Pegasus is high in the east at dusk.  The star in its upper left hand corner is also the head of Andromeda.  Facing north, you’ll see five stars in a distinct ‘M’ like shape—this is Cassiopeia, the Queen.  Her stars are about as bright as those in the Big Dipper, and she is directly across the North Star from that Dipper.  In fall, while the Dipper is low, Cassiopeia rides high.

Moon Phases in October 2008:

1st Quarter      October 7, 4:05 am
Full Moon        October 14, 3:03 pm
Last Quarter    October 21, 6:56 am
New Moon       October 28, 6:12 pm

Our George Observatory remains closed while Brazos Bend State Park recovers from Ike.  The park hopes to reopen by October 11, and there is hope that our annual Astronomy Day at the observatory, set for Saturday, October 18, will proceed as scheduled.   Astronomy Day features special presentations and activities for the whole family from 3pm to 10:30pm.  Surf to www.astronomyday.org for more information. 

Sunday, November 2, is the first Sunday of that month.  Accordingly, we ‘fall back’ to Standard Time that morning at 2:00am. (We go from 1:59 am back to 1:00 am).  Don’t forget to set your clocks back one hour on Saturday night, November 1.  Enjoy your extra hour of sleep!

James
Authored By James Wooten

James is the Planetarium Astronomer at the Houston Museum of Natural Science. He teaches students every school morning in the planetarium, and also answers astronomy questions from the public.

2 responses to “Go Stargazing! October edition”

  1. Daniel Kisnorbo says:

    what is the bright star/planet that currently appears very near the moon in the evening sky?

  2. James Wooten says:

    That would be Jupiter. The Moon is now passing by Jupiter; it appeared to Jupiter’s lower right last night (10/6/2008) and will be to the lower left of Jupiter tonight (10/7/2008). The Moon then moves out of the picture. Jupiter, however, outshines all stars in the south southwest at dusk all month long.

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