THE SOLAR SYSTEM IN JUNE 2019

Dates and times shown are NZST (UT + 12 hours). Rise and Set times are for Wellington. They will vary by a few minutes elsewhere in NZ. Data is adapted from that shown by GUIDE 9.

The winter solstice is on June 22, 3.55 am (Jun 21 15:55UT).

THE SUN and PLANETS in JUNE 2019, Rise & Set,  Mag. & Cons.
            June 1     NZST            June 30     NZST  
      Mag  Cons    Rise    Set     Mag  Cons    Rise    Set
SUN  -26.7  Tau   7.33am  5.03pm  -26.7  Gem   7.45am  5.03pm
Merc   1.1  Tau   8.40am  5.41pm    1.0  Cnc   9.11am  7.01pm
Venus -3.8  Ari   5.53am  4.01pm   -3.9  Tau   6.53am  4.09pm
Mars   1.8  Gem   9.55am  7.02pm   .1.8  Cnc   9.09am  6.38pm
Jup   -2.6  Oph   5.31pm  8.31am   -2.6  Oph   3.22pm  6.21am
Sat    0.3  Sgr   7.40pm 10.32pm    0.1  Sgr   5.37pm  8.32am
Uran   5.9  Ari   4.31am  3.10pm    5.8  Ari   2.43am  1.19pm
Nep    7.9  Aqr  12.37am  1.24pm    7.9  Aqr  10.43pm 11.30am
Pluto 14.4  Sgr   7.53am 10.47pm   14.4  Sgr   5.55pm  8.51am

               June 1  NZST               June 30  NZST
Twilights    morning     evening        morning     evening
Civil:    start 7.06am, end  5.31pm   start 7.16am, end 5.32pm
Nautical: start 6.31am, end  6.06pm   start 6.42am, end 6.07pm
Astro:    start 5.58am, end  6.39pm   start 6.08am, end 6.41pm

      JUNE PHASES OF THE MOON, times NZST (& UT)
  New moon:      Jun..3 at 10.02pm (10:02 UT)
  First quarter: Jun 10 at  5.59pm (05:59 UT)
  Full Moon:     Jun 17 at  8.31pm (08:31 UT)
  Last quarter   Jun 25 at  9.46am (09:46 UT)

PLANETS in June 2019

MERCURY and MARS are in the early evening sky. Early in June Mercury sets too soon after the Sun for observation. Mars will be a few degrees up an hour after sunset, low to the northwest.

During June, Mercury moves further into the evening sky, catching up with and passing Mars mid month. The two planets are closest on the evenings of June 18 and 19, when they will be just over 20 arc-minutes apart, less than the diameter of the full moon. On the first evening Mercury will be directly below Mars, the following evening to its upper right. The two planets will also be some 5.5° to the left of, and a little higher than Pollux, magnitude 1.2, similar to Mercury in brightness. Mars will be a little fainter.

By the end of June, Mercury will be some 3.7° above Mars.

JUPITER and SATURN in the later evening sky. On June 1 Jupiter rises about half an hour after sunset with Saturn rising some 2 hours later. They will both be well placed for viewing by late evening. Jupiter is at opposition on June 11 at about 3am. Saturn's turn is in July.

The moon passes Jupiter on the night of June 17/18, the two are closest, 2.5° apart, at 7 am, just before they set and 13 hours before full moon.

This month's lunar occultation of Saturn, on June 19, is visible from southern parts of South America as well as the south Pacific. It occurs before the planet rises in NZ. Soon after they rise for NZ, the two will be just under 3° apart, with the moon less than a degree from Pluto.

PLUTO is close behind Saturn, rising slightly later. During the month Saturn's retrograde motion takes it about a degree further from Pluto.

VENUS is a morning object, low in the dawn sky. On the morning of the 2nd a very thin crescent moon will be to the upper right of Venus. They will be about 8° up 45 minutes before sunrise. By the end of June, Venus rises less than an hour before the Sun.

URANUS moves further up into the morning sky during June, rising 5 hours before the Sun by the end of the month.

NEPTUNE is still a morning object but gets into the late evening sky by the end of June.

BRIGHTEST ASTEROIDS in JUNE, mag. const. time of transit

               JUNE 1     NZDT      JUNE 31    NZST  
               Mag  Cons  transit    Mag  Cons  transit
(1)  Ceres     7.1   Sco  12.03am    7.8   Lib   9.47pm
(2)  Pallas    8.9   Com   9.11pm    9.4   Com   7.25pm
(4)  Vesta     8.3   Psc   9.28am    8.3   Cet   8.18am
(15) Eunomia   9.9   Cap   5.25am    9.3   Aqr...3.36am
(18) Melpomene 9.9   Aql   2.49am    9.3   Sct  12.28am

CERES crosses a narrow outlier of Scorpius during June. It moves into Libra on the 22nd. The asteroid will be 9 to 10° north of Antares, and about 15° west (left) of Jupiter.

PALLAS rises just after 4.30 pm on June 1. By June 30, it will rise at 2.40 pm and be poised to move into Bootes, just under 10° from Arcturus.

VESTA is in the morning sky, rising at 3.40 am on the 1st and 1.53 am on the 30th. It moves into Cetus on the 14th.

EUNOMIA brightens to magnitude 9.3 during June. It moves into Aquarius in June 28 then rising mid evening, close to 9pm.

MELPOMENE also brightens to magnitude 9.3 during June. It moves into Scutum on the 7th and will be at opposition on July 1.

Brian Loader

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