Moon – Uranus Conjunction

   Friday May 31st the 26.5-day old waning crescent Moon will be within about 4o from the outer ringed planet Uranus. Both rise around 1 hour before sunrise local time. The waning crescent Moon and Uranus will easily fit within the field of view of binoculars.
   However with two distinctly different apparent magnitudes (Moon -10.0 and Uranus 6.80) seeing Uranus will be a challenge compared to the much brighter Moon. Even more dimmer is the dwarf planet Ceres (apparent magnitude 18.67) located about 11o west from the crescent Moon.

   
   
   

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 at Apogee

   Our Moon reaches apogee, (greatest distance from Earth), for this orbit, on Sunday May 26th. At that time the Moon will be at a distance of 31.68 Earth diameters 251,117 miles (404,134 km) from the Earth.

   The 22-day old last quarter Moon rises after midnight local time and sets later that same day.

   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.


Also Follow me and other great resources at Feedspot.

May Moon at Descending Node

   Wednesday May 22nd the 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.
   On the day of the node crossing the 17.5-day old waning gibbous Moon will be 5-7o to the west from the ringed planet Saturn. The following day, May 23rd, the 18.5-day old waning gibbous Moon will have orbited to the east side of Saturn passing within 5-6o.


   
   
   
   
   

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 – Jupiter Conjunction

   Late Monday evening May 20th the 15-day old waning gibbous Moon will be within about 3-4o from the outer ringed planet Jupiter, and about 8-9o from Antares, the ‘heart’ of Scorpius the Scorpion. Jupiter and the Moon will easily fit within the field of view of binoculars. Jupiter is currently located within the boundaries of the constellation of Ophiuchus the Healer, the 13th constellation of the Astronomical zodiac.

   
   
   

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.


Also Follow me and other great resources at Feedspot.

Moon – Ceres Conjunction

   Sunday morning May 19th the 15-day old waning gibbous Moon will be within 2-3o from Dwarf Planet Ceres. Considering that Ceres currently is a dim 6.8 apparent magnitude, and is that close to a just past full Moon, the chances of seeing Ceres are basically non-existent. However the reddish star Antares, down to the left from the Moon and Ceres, is visible. And over the next few days the Moon, as it wanes, will pass by Jupiter, then 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.


Also Follow me and other great resources at Feedspot.

Moon – Spica Conjunction

   The 11-12 day old waxing Gibbous Moon will be about 8-9o from the blue-white star Spica in the constellation Virgo the Harvest Maiden as it moves past Spica on May 15th and May 16th.


   
   
   

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.


Also Follow me and other great resources at Feedspot.

May Moon at Perigee

   Our Moon reaches perigee, (closest distance to Earth), for this orbit, on Monday May 13th. At that time the Moon will be at a distance of 28.93 Earth diameters 229,296 miles (369,017 km) from the Earth.

   The 9-day old waxing gibbous, Moon rises around mid-afternoon and sets the following day, and is visible all night.

   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.


Also Follow me and other great resources at Feedspot.