Sky ArchiveTonight

Don’t miss moon, Venus, Jupiter at dawn

Before sunup on November 16, 2017, find an unobstructed horizon in the direction of sunrise to get the best view of the waning crescent moon, plus the sky’s two brightest planets, Venus and Jupiter. They’ll be extremely low in the east at sunup, and an unobstructed horizon – and clear sky to the horizon – will definitely be needed. And even if you have those two prerequisites – clear sky, open horizon – whether you see them or not depends on your latitude on Earth’s globe. Keep binoculars handy. A telephoto lens will also pick them up, and, in fact, this is a wonderful photo opportunity.

From around the world on November 16, the slender waning crescent moon rises in the east first, followed by Jupiter and then Venus. At mid-northern latitudes – like those in the U.S. and Europe – Venus rises better than an hour before the sun.

At the equator, Venus comes up about 50 minutes before sunrise; and at temperate latitudes in the Southern Hemisphere, Venus rises only about 35 minutes before sunrise.

Click here for a recommended almanac to find the rising times of the moon, Jupiter and Venus in your sky.

If you’ve been watching the morning sky lately, you might have seen the waning crescent moon swinging past Mars the last several mornings. Jupiter and Venus next!

The lit side of the moon points in the direction of Jupiter and Venus, giving you a good idea of where to look for them. If you are at a very southerly latitude on Earth, you can always use binoculars to seek for these worlds beneath the moon in the murky glow of morning twilight. Fortunately, Venus and Jupiter rank as the brightest and second-brightest planets in Earth’s sky, respectively, so you may well see these worlds with the unaided eye, even though they’re sitting low in the twilight. Think photo opportunity!

Day by day, Venus will sink closer to the glare of sunrise, while Jupiter will climb upward, away from sunrise. Expect Venus to disappear from view in the morning sky after a few more weeks, while Jupiter will remain a fine morning object for months to come and a wonderful evening object in 2018.

In fact, if you get up before dawn on these November and December mornings, you can also view the the star Spica and the planet Mars above Jupiter. Day by day, Jupiter and Spica will climb upward toward Mars in the predawn/dawn sky. Spica will pair up with Mars on November 29, 2017, and Jupiter will meet up with Mars on January 7, 2018.

View larger. | See how close Venus and Jupiter are to the sunrise now? This photo is from November 13, 2017. Doug Groenhoff wrote: “Conjunction of Jupiter and Venus over the Rincon Mountains from far northwest Tucson, Arizona. While dawn was cracking. Soon lost in clouds.” See more photos of Jupiter and Venus at conjunction on November 13.

Bottom line: On November 16, 2017, look for Jupiter and Venus beneath the waning crescent moon. They’ll be low in the east, shortly before sunup.

November 15, 2017
Sky Archive

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Bruce McClure

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