Moon Passes Mars

   Over the next 2 evenings, Wednesday October 17th and Thursday the 18th the waxing gibbous Moon will be passing the planet Mars coming within about 2-3o from Mars.


   
   
   

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Crescent Moon Near Jupiter, Then Near Antares

   The next two evenings watch for the waxing crescent Moon to move past Jupiter on the 11th, then pass near the reddish star Antares in Scorpius the Scorpion on the 12th.

   
   
   
   
   
   
   
   
   
   
   
   
   
   
   

Click here to go to the Qué tal in the Current Skies web site for monthly observing information, or here to return to bobs-spaces.


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Moon in a Face-Off with Taurus


   Sunday September 30th the 20-day old waning gibbous Moon will be within 1-2o from the reddish star Aldebaran in the open star cluster the Hyades. The Hyades are a v-shaped group of stars making up the face of Taurus the Bull.
Aldebaran is at the tip of one of the
lines making up the v-shape and, with its reddish color, represents the ‘angry eye’ of the Bull.
   
   
   
   
   
   
   
   
   

Click here to go to the Qué tal in the Current Skies web site for monthly observing information, or here to return to bobs-spaces.


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Mercury at Superior Conjunction

orbital-positions   Friday September 21st the innermost planet Mercury reaches superior conjunction. At superior conjunction Mercury will be on the opposite side of the Sun. The graphic to the right shows the planet positions relative to the Earth and Sun for both inner planets and outer planets.

   While at this superior conjunction Mercury will not be directly in line with the Earth and the Sun – on the ecliptic. Mercury has an orbital inclination of 7o with respect to the ecliptic. So like our Moon, Mercury during each complete orbit, will cross the plane of the ecliptic moving north (ascending node) and also moving south (descending node). For this superior conjunction Mercury will be a few degrees north of the ecliptic and will cross the ecliptic moving south, descending node, on September 23rd.
   

   
   
   

Click here to go to the Qué tal in the Current Skies web site for monthly observing information, or here to return to bobs-spaces.


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A Busy Moon: Apogee; Descending Node; Mars Conjunction

   Thursday September 20th the waxing gibbous Moon will be crossing the plane of the ecliptic moving south. This is known as the descending node, one of two intersections the Moon’s orbital path (dark green line) has with the ecliptic.

   Our Moon also reaches apogee, (greatest distance from Earth), on Thursday September 20th. At that time the Moon will more or less be at a distance of 31.74 Earth diameters (361,354 km or 224,535 miles) from the Earth.

   On the evening of the apogee and node crossing the 11-day old waxing gibbous Moon will be over the southeast horizon at sunset in conjunction with the ‘Red Planet’, passing within 10-11o east from the planet Mars. Joining the Moon and Mars are the planets Saturn, Jupiter, and Venus – all to the west from the Moon and Mars.

   
   
   

   

   
   
   

Click here to go to the Qué tal in the Current Skies web site for monthly observing information, or here to return to bobs-spaces.


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Moon in Conjunction with Mars

   Wednesday evening September 19th the 10-day old waxing gibbous Moon will be in conjunction with the outer planet Mars passing within about 3-4o from Mars. Should look good through binoculars.
   Look westward for the planets Saturn and Jupiter.

   
   
   

Click here to go to the Qué tal in the Current Skies web site for monthly observing information, or here to return to bobs-spaces.


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Moon Passes Saturn

   Sunday September 16th the first quarter Moon will be about 8o west from the outer planet Saturn. Then the following evening, Monday the 17th, as the Moon continues orbiting eastward, the waxing gibbous Moon will be within 3-4o from Saturn, but on the east side of Saturn.

   
   
   

Click here to go to the Qué tal in the Current Skies web site for monthly observing information, or here to return to bobs-spaces.


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