Sky and Telescope - July 2017 - 41

OBSERVING
July 2017
1 EVENING: The waxing gibbous Moon
forms a broad triangle with Jupiter and
Spica in the southwest.
3 EARTH is at aphelion, farthest from
the Sun for 2017 (152,092,504 kilometers).
3-7 DAWN: Brilliant Venus shines about 7°°
south (lower right) of the Pleiades low in
the east.
6 ALL NIGHT: Golden Saturn shines
about 3° below the waxing gibbous Moon.
11 DAWN: Venus, low in the east, lines
up with the Pleiades above it and orange
Aldebaran below it.
13, 14 DAWN: Venus is 3° north (upper left)
of Aldebaran, the brightest star in Taurus.
20 DAWN: Find the slim crescent Moon
about 3° or 4° lower right of Venus.
24 DUSK: The super thin waxing crescent
Moon cuts the sky 5° lower right of
Mercury, very low in the west soon after
sunset. Bring binoculars. Can you see
fainter, twinkly Regulus, just to Mercury's
upper left?
25 DUSK: Just 1° separates Mercury and
Regulus now. Find them very low in the
west in evening twilight, about 8° lower
right of the slim crescent Moon. Bring
binoculars.
27 MORNING: The modest but long-lasting
Delta Aquariid meteor shower peaks this
morning. This shower is best observed
from southerly latitudes; see page 51.
28 DUSK: The thicker waxing crescent
Moon hangs 3° above or upper left of
Jupiter. Blue-white Spica twinkles about
8° to their left.

As NASA's Juno spacecraft passed over
Jupiter's south pole on February 2, 2017,
it captured this dramatic image of circular
polar storms and churning clouds.
N AS A / J PL- CA LTEC H / SW R I / M S S S / J O H N L A N D I N O

s k y a n d t e l e s c o p e .c o m

* J U LY 2 017

41



http://www.skyandtelescope.com

Sky and Telescope - July 2017

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