This Week's Sky at a Glance, November 11 – 19
The Moon shines in the east with ever-brightening Mars, then it wanes down into the early morning hours to leave the evenings dark for deep-sky observing. Jupiter glares on high. Vega and its binary accompaniments await you in the west.
This Week's Sky at a Glance, November 4 – 12
The Moon gets totally eclipsed this week as it walks from Jupiter to Mars. Saturn in the evening sky is at quadrature, which means an effect is under way for telescope users....
This Week's Sky at a Glance, October 28 – November 5
The Summer Triangle Effect, a double shadow on Jupiter, the waxing Moon photobombs the solar system's two giants, an Algol dip — plan your skywatching week.
This Week's Sky at a Glance, October 21 – 29
Jupiter remains near its maximum possible size, and Mars continues to grow. Below Jupiter shines the Frog Star. And this week, Arcturus becomes the Ghost of Summer Suns.
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This Week's Sky at a Glance, October 14 – 22
These moonless evenings open the sky for good constellation spotting and deep-sky probing. Pegasus flies high. Draco eyes Vega. And it's time for the Orionid meteors.
This Week's Sky at a Glance, October 7 – 15
The bright Moon this week passes Jupiter, then Mars. Deep-sky darkness starts returning to the evening sky on the Thursday the 13th. The bulky Andromegasus Dipper is on autumn display.
This Week's Sky at a Glance, September 30 – October 8
The Moon poses with Antares at dusk. A few nights later, lunar sunrise unveils the sharp black line of the Straight Wall in Mare Nubium for small-telescope users. Saturn, Jupiter, and Mars span the evening sky. Mercury climbs onstage at dawn.
This Week's Sky at a Glance, September 23 – October 1
Cygnus and the Milky Way cross the zenith after the end of twilight. Saturn, Jupiter, and Mars await your scope through the night. A thin crescent Moon poses favorably at dawn — because it's cupped.
This Week's Sky at a Glance, September 16 – 24
The late-night Moon aligns with Mars and Aldebaran. Delta Cephei pulses on high. And constellations all over the sky signal the change from summer to fall.
This Week's Sky at a Glance, September 9 – 17
As the Moon wanes from full to last quarter, passing Jupiter and Mars along the way, darkness returns to the evening sky for constellation spotters and deep-sly observers.
This Week's Sky at a Glance, September 2 – 10
As the Moon waxes from first quarter to full, watch it cross the southernmost zodiac constellations, then pass Saturn and Jupiter. Along the way it occults a Teapot star.
This Week's Sky at a Glance, Aug. 26 – Sept. 3
Scorpius lies down after dark and the Moon walks across it. Jupiter shines high in the southeast by midnight just about as big and bright as it can ever get. An hour or two earlier, Saturn reaches a good observing height.
This Week's Sky at a Glance, August 19 – 27
Late these nights, Saturn and Jupiter are about at their very biggest telescopically. Vega passes the zenith, and the Milky Way displays itself in moonless dark.
This Week's Sky at a Glance, August 12 – 20
Saturn is at opposition, the Perseids contend with moonlight, and once the Moon is gone from the evening sky, the summer Milky Way arches high.
This Week's Sky at a Glance, August 5 – 13
The Moon and Saturn come to opposition this week, showing us their full sunlit faces. Jupiter looms big late in the night, Vega attains the zenith, and we cross the midpoint of summer. The Perseid meteors get partly mooned out.
This Week's Sky at a Glance, July 29 – August 6
As the Big Dipper dips and the Guardians of the Pole align one over the other, Saturn looms low in the southeast and the False Comet teases at its highest.
This Week's Sky at a Glance, July 22 – 30
Bright Arcturus is still pretty high after dark, but as summer progresses, it moves down the western side of the evening sky. Its pale ginger-ale tint always helps identify it.
This Week's Sky at a Glance, July 15 – 23
The waning Moon says hi to late-night Saturn, the Teapot starts tilting, the Great Square thrusts up, and the Milky Way arches high.
This Week's Sky at a Glance, July 8 – 16
July is Scorpius season. Maybe you know of the Cat's Eyes in the Scorpion's tail, but how about the Little Cat's Eyes in the Scorpion's body? The Sagittarius Teapot follows not far behind.