Moon Conjunction with Aldebaran

   Tuesday evening, November 10th, about an hour or so after sunset, the 14.5-day old waxing gibbous Moon will be about 2-3o from the reddish star Aldebaran. Aldebaran is at one end of the v-shaped open star cluster the Hyades in Taurus the Bull.

   
   
   

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A Couple of Morning Planets

   Early chilly mornings yes, but two planets are visible before the Sun rises. Maybe seeing Mars and Mercury will make it worthwhile? They are both within the realm of the constellation Libra the Scales. As a bonus Dwarf Planet Haumea is also above the horizon but with an apparent magnitude of 17.0 it is virtually invisible without some optical assistance.

   
   
   

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2019-Sun Enters Ophiuchus

ophiuchus   Saturday, November 30th the Sun in its apparent eastward motion along the ecliptic, moves out of the constellation Scorpius the Scorpion and into the constellation of Ophiuchus the Healer. This is the true or actual position of the Sun as opposed to the pseudoscience of astrology which usually has the astrological Sun one constellation ahead or east from the Astronomical Sun’s position.

ophiuchus-scorpion   Ophiuchus is the 13th constellation of the zodiac (Astronomical) but does not appear in the astrological zodiac nor in the astrology column found in many newspapers. A constellation of either zodiac is defined the same way, using the ecliptic path. If the ecliptic passes through a constellation boundary then that constellation is a zodiac constellation. In the graphics I use the ecliptic path clearly crosses across the boundary for the constellation Ophiuchus the Healer.

   Ophiuchus is described in a mythology story as a healer. In one story following a mortal fight between Orion and Scorpius the Scorpion Ophiuchus kills the scorpion by stepping on it; extracts the venom from the scorpion; and then uses it to bring Orion back to life.
cadeuces   In Ophiuchus’s hands he is holding a long snake, the 2-part constellation of Serpens – Serpens Cauda (tail of the snake) and Serpens Caput (head of the snake). There are many stories about Ophiuchus and the snake including one where this is the origin of the symbol for medicine, the caduceus. However the caduceus is used primarily in the United States as the symbol for medicine, and is depicted as 2 snakes wrapped around a staff with wings. rodIf there is a connection with a medical symbol then it should be with the Rod of Asclepius, a staff with one snake.
   
   
   

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Thin Moon – 2 Days – 2 Conjunctions

   At around sunset Thursday November 28th look toward the western horizon for the 2.5-day old thin waxing crescent Moon to be close to the inner planet Venus, and an outer planet, Jupiter. The Moon will be about 1-2o from Venus and about 6o from Jupiter.
   Too dim to be seen with the naked eye at 8-9th magnitude and about 3o from the Moon is the Dwarf Planet Ceres.
   The planet Saturn is about 12o to the east from the Moon – which is where the Moon will be on the evening of November 29th. The two will be about 1-2o from one another.

   Both of these conjunctions between the Moon and planets are tight enough such that both groupings will easily fit within the field of view of binoculars.


   
   
   

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November Moon at Perigee

   Our Moon reaches perigee, (closest distance to Earth), for this orbit, on Saturday November 23rd. At that time the Moon will be at a distance of 28.75 Earth diameters, 227,870 miles (366,721 km) from the Earth.

   On the day of the perigee Moon the 26-day old very thin waning crescent Moon will be over the eastern horizon rising within about 6-7o from the blue-white star Spica in the constellation Virgo the Harvest Maiden.

   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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A Pair of Conjunctions

   Sunday November 24th there will a photo or viewing opportunity during the twilight hour before the Sun rises and after the sun has set. Starting off the day will be a conjunction involving the very thin waning crescent Moon near the ‘Red Planet’ Mars. The two will be separated by about 3-4o. Lower or to the east is the innermost planet Mercury.
   Then, approximately 12 hours later, the Sun has or is about to set and over the western horizon is a cluster of 3 planets. Close together and separated by about 1-2o are the planets Jupiter and Venus. Higher or to the east is the planet Saturn.
    Both of these conjunctions will look great through binoculars or a wide-field eyepiece on a telescope, and obviously will make for interesting pictures.

   
   
   

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Sun Does Enter Scorpius

   Saturday November 23rd the Sun, in its apparent eastward motion along the ecliptic, moves out of the constellation Libra the Scales and into the constellation of Scorpius the Scorpion. This is the true or actual position of the Sun as opposed to the pseudoscience of astrology which usually has the astrological Sun one constellation ahead or east from the Astronomical Sun’s position.

   Read a little more about how astrology has the Sun incorrectly placed in a previous blog, and in another blog discussing the effects of precession.
   
   
   

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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