Moon – Spica Conjunction

   Friday February 22nd the 18-day old waning gibbous Moon will be about 6-7 o from the blue-white star Spica in the constellation of Virgo the Harvest Maiden. Both easily fit within the field of view of binoculars. Both the Moon and Spica rise a few hours before midnight local time and set a couple of hours after sunrise local time.

   
   
   

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Moon Passes Spica

   Shortly after midnight local time on January 26th-27th the 20-21 day old waning gibbous Moon will pass within 10-11o from the blue-white star Spica. This star marks a bundle of wheat in the left hand of Virgo the Harvest Maiden.

   
   
   

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Venus and Jupiter in Motion

   If the morning skies are clear and the temperature is tolerable go out before sunrise local time and look toward the east. The two brightest stellar objects are the planets Venus (brightest) and Jupiter. A few degrees from Jupiter is the reddish star Antares in Scorpius the Scorpion. Dwarf Planet Ceres is also in this part of the sky but it is too dim to be seen with the unaided eye. As the graphic shows this is also near the Milky Way but seeing that would require much darker skies than many of us live under.

   Both planets are in motion as they orbit the Sun following their respective orbital path. As an inner planet and much closer to the Sun Venus moves more quickly than Jupiter so as days pass Venus will noticeable move more so than Jupiter. Venus was at its western elongation last month and now Venus is in the part of its orbit where it is moving eastward toward the Sun. As Venus moves in that direction Venus will catch up to and then pass Jupiter, coming the closest on January 23rd.
   The animated graphic is set for 1-day intervals from January 15th to January 31st.
   For comparison Venus moves 1.6o each day while Jupiter moves 0.083o each day. The Earth is also in motion and moves about 1.0o each day. So as the Earth moves the sky appears to move toward the west and as this happens Saturn comes into view toward the end of January. The waning crescent Moon shows up also at the end of the month.

   
   
   

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 and the Hyades

   Wednesday and Thursday January 16th and the 17th the waning gibbous Moon will be passing past the open star cluster the Hyades and the reddish star Aldebaran. This is a v-shaped group of stars that make up the face of Taurus the Bull. The Hyades is one of two open star clusters in the constellation Taurus. The other is a small dipper-shaped group of stars, the Pleiades, located on the shoulder of Taurus.

   
   
   

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 Conjunction with Venus and Ceres

   Tuesday morning January 1st the thin 25-day old waning crescent Moon (apparent magnitude -10.96) will be within 3-4o from the inner planet Venus (apparent magnitude -4.47) and 1-2o from the Dwarf Planet Ceres (apparent magnitude 8.0). All three will fit within the field of view of 7×50 binoculars.

   
   
   

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 Trio of Pairs

   Sunday morning December 30th the 23-day old waning crescent Moon (apparent magnitude -11.76) will be 5-6o from the blue-white star Spica in the constellation of Virgo the Harvest Maiden. Both the Moon and Spica (apparent magnitude 0.96) will fit within the field of view of 7×50 binoculars.

   Rising about an hour after the Moon and Spica is another pair of celestial objects, the hard to miss Venus (apparent magnitude -4.48) is within 2-3o from the Dwarf Planet Ceres (apparent magnitude 8.0). Both of these will easily fit within the field of view of 7×50 binoculars.

   
   
   
   
   
   Wait about an hour, depending on your eastern horizon, and the planet Jupiter (apparent magnitude -1.8) will be about 5-6o from the reddish star Antares (apparent magnitude 1.0) in the constellation of Scorpius the Scorpion. And they will be high enough above the horizon to be more visible. Both Jupiter and Antares will fit within the field of view of binoculars.

   
   
   

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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Thin Moon Conjunction with Mercury

   Wednesday morning December 5th the very thin 28-day old waning crescent Moon will be within 4-5o from the innermost planet Mercury. Venus shines very brightly above or west from the Moon. About an hour after the Moon and Mercury have risen the outer planet Jupiter will rise above the eastern horizon.

   
   
   

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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