Give Mom a Diamond

   About an hour after local sunset, on Mother’s Day May 12th, go outside and face south and look for the 8-day old waxing gibbous Moon to be near the star Regulus. Then look for the bluish-white colored star Spica.
   Spica, a star in Virgo the Harvest Maiden, marks the lower corner of an *asterism known as ‘the Diamond of Virgo’. To see the asterism look up to the left from Spica for the reddish star Arcturus in the kite-shaped constellation Bootes the Herdsman. Then look nearly straight up, the zenith, for the dimmest of the diamond stars, Cor Caroli in Canes Venatici, the Hunting Dogs. Then look down to the right for the star Denebola, the tail of Leo the Lion.
   Look toward the western horizon for a reddish star, actually the ‘Red Planet’ Mars.

*An asterism is a group of stars forming a recognizable pattern using stars within a constellation or by combining stars from more than one constellation. For example, the Big and Little Dipper are asterisms.

   
   
   

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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Waxing Gibbous Moon Passes Regulus

   Saturday and Sunday May 11-12th the waxing gibbous Moon will pass by the star Regulus, the ‘heart’ of Leo the Lion.

   
   
   

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Moon – Regulus Conjunction

   Monday evening March 18th the 12-day old waxing gibbous Moon will be about 1o from the star Regulus, the ‘heart’ of Leo the Lion. Both will very easily 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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Moon – Regulus Conjunction

   Tuesday evening January 22rd the 17-day old waning gibbous Moon will be about 2o from the heart of the ‘Lion’, the star Regulus in the constellation Leo the Lion. Regulus marks the bottom of the backward question mark shape of the head and chest of the Lion.

    Both the Moon and Regulus will easily 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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Moon Has A Heart – The Lion’s

   Tuesday evening and Wednesday evening December 25th and the 26th the 18 and 19-day old waning gibbous Moon will pass by the star Regulus. Regulus is the heart of Leo the Lion and shines with an apparent magnitude of 1.34.

   
   
   

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 Regulus

   Thursday morning November 29th the 22-day old waning gibbous Moon will be 1-2o from the heart of Leo the Lion, the star Regulus. By sunrise the Moon and Regulus will be over the southern horizon. At about that time Venus, shining very brightly, is still close to Spica as the two rise a couple of hours before the Sun rises.
   This is also the time of the year when the winter circle of constellations (Taurus, Auriga, Gemini Twins, Canis Minor, Canis Major, and Orion) start showing up over the horizon during the late evening hours.

   
   
   

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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October Moon at Perigee

   Our Moon reaches perigee, (closest distance to Earth), for this orbit on Friday October 5th. At that time the Moon will be at a distance of 28.72 Earth diameters (227,668 miles (366,396 km) from the Earth.

   Friday morning October 5th the very thin 25-day old waning crescent Moon will be about 4-5o from the star Regulus in Leo the Lion.

   Does our Moon actually go around the Earth as this graphic shows? From our perspective on the Earth the Moon appears to circle around the Earth. However, in reality, the Moon orbits the Sun together with the Earth*
   *Click here to read my 2006 Scope on the Sky column “The Real Shape of the Moon’s Orbit”. (PDF)

   Read this very informative article about the Earth-Moon system and their orbital motions, written by Joe Hanson. “Do We Orbit the Moon?”

   
   
   

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


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