August Moon at Apogee

   Our Moon reaches apogee, (furthest from Earth), for this orbit, on Sunday August 9th. At that time the last quarter Moon will be at a distance of 31.72 Earth diameters, 251,469 miles (404,700 km) from the Earth.

   On the date of the apogee the 19-day old waning gibbous Moon will be about 1o from the planet Mars and both very visible over the southern horizon in the hours before sunrise.

   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)

   
   
   
   
   
   
   
   
   

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Moon – Mars Conjunction

   Early mornings before sunrise the waning gibbous Moon is working its way eastward toward new Moon phase. Along the way the 20-day old waning gibbous Moon will be about 1o from the ‘Red Planet’ Mars on Sunday morning August 9th . Both will fit within the field of view of binoculars and should fit within the field of view of a low-power widefield type telescope eyepiece.
   The contrast in apparent magnitude is quite a range, from the Moon’s -12.0 to the -1.22 apparent magnitude of Mars.

   
   
   

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A Saturday *2fer

   Saturday August 1st there will be two opportunities for planet and Moon viewing. (a ‘2fer’)
   On Saturday morning before the Sun rises watch for the innermost planet Mercury to be about 6-7o from Pollux, one of the two ‘twin stars’ of Gemini the Twins, as this graphic is showing. Venus, if you haven’t noticed, is shining very brightly higher above the southern horizon.
   Then Saturday evening after sunset look for the 12-day old waning gibbous Moon to be about 1-2o from the outer ringed planet Jupiter and about 4-5o from another outer ringed planet, Saturn.
   
   
   
   
   *2fer – suggesting that it is possible to get two instead of one (2 for 1) of whatever is being got.
   
   
   

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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Scorpion Grabs for the Moon!

   Wednesday evening July 29th the 9-day old waxing gibbous Moon will be 3-4o from the reddish star Antares. This star is the heart of Scorpius the Scorpion and shines with a 1.0 apparent magnitude. Rising in the east are two of the giant outer ringed planets, Jupiter and Saturn. Over the southwest is Comet 2020 F3 (NEOWISE).

   
   
   
   
   
   

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 – Spica Conjunctions


   Over the next two evenings, July 25th and 26th, the Moon, as it waxes from crescent to first quarter, will be passing the bluish-white star Virgo. Virgo is the brightest star in the constellation Virgo the Harvest Maiden.

   The Moon often, as in monthly, passes by Spica. Sometimes coming very close and sometimes a bit further away as these two graphics show. Spica lies along the ecliptic and since the Moon’s orbital path follows the ecliptic, crisscrossing the ecliptic regularly, a conjunction between Spica and our Moon is not that unusual.

   Off to the east two of the outer planets, Jupiter and Saturn are rising. Both are easy to see even if you are standing across from a night Baseball game!

   
   
   

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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July Moon at Ascending Node

   Saturday July 18th the very thin 27-day old waning crescent Moon will be crossing the plane of the ecliptic moving north. This is known as the ascending node, one of two intersections the Moon’s orbital path has with the ecliptic. The ecliptic is actually the Earth’s orbit, and the Moon’s orbit is inclined about 6o from the ecliptic. So there are two node intersections, the ascending and descending nodes.
   click on picture to see it largerOn the day before the node crossing the thin waning crescent Moon was a few degrees from the inner planet Venus, and a few more degrees from the reddish star Aldebaran in the open star cluster the Hyades.
   Does our Moon actually go around the Earth as many graphics show? 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)


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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Comet in the Clouds

   This morning, July 13th, the sky was generally overcast with thin status type clouds in most directions, including the northeast where the comet was just starting to appear over the trees marking my local horizon. Fortunately the clouds were still transparent enough for the comet to be just barely visible to the naked-eye, but very visible with time exposure pictures.
   I was hoping to position my camera so that the Baseball player would look as if he were swinging at the comet but the clouds started to thicken in that direction as I moved off the road and into some tall grasses.
   The other planets that were very visible yesterday morning were hidden or blurred by the clouds. Jupiter shined through the clouds but not Saturn or Mars. The Moon light was reflecting off clouds brightening the sky in that direction. And Venus and Aldebaran were somewhat visible but it took a time exposure picture to catch the light from the rest of the stars making the v-shaped part of the Hyades.

   
   
   

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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Comet NEOWISE or NEOWOW!!

   Could it get much better than this? Five visible planets (Jupiter, Saturn, Mars, Venus, Earth); Moon-Mars conjunction; Venus-Aldebaran conjunction; 2 outer planets and a Dwarf Planet not naked-eye visible, and Comet 2020 F3 (NEOWISE). Icing on the ‘cake’ would have been to have the ISS orbit through the sky this morning.

   
   
   

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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July Last Quarter Moon at Apogee

   Our Moon reaches apogee, (furthest from Earth), for this orbit, on Sunday July 12th. At that time the last quarter Moon will be at a distance of 31.68 Earth diameters, 251,158 miles (404,200 km) from the Earth.
   On the date of the apogee Moon the Moon will be about 4-5o to the east (left) from the planet Mars.

   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)

   
   
   
   
   
   
   
   
   

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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Comet 2020 F3 (NEOWISE) and Venus-Hyades Transit – Follow up

General location of the comet

   Here are pictures of the inner planet Venus in transit across the Hyades open star cluster, and of Comet 2020 F3 (NEOWISE) as both appeared over the northeastern to eastern horizon.
   Pictures were taken around 5:00 am CDT with a Canon Rebel EOS T7i DSLR using a variety of settings for exposure, shutter speed and so on. Location was near a baseball field at Legacy Park in Lee’s Summit, MO.
   
   
   
   
   
   



   
   
   

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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