Home / Space force / This Week’s Sky at a Glance, November 8 – 16 – Sky & Telescope

This Week’s Sky at a Glance, November 8 – 16 – Sky & Telescope

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Mars and Spica at dawn, Nov. 9, 2019

Mars and Spica, three° aside, simply match collectively in your binoculars’ discipline of view for the subsequent few mornings. Evaluate their colours and twinklinesses.

Friday, Nov. eight

• Excessive above the gibbous Moon, pointing down at it, is the japanese fringe of the Nice Sq. of Pegasus. Proceed down beneath the Moon and there is Diphda (Beta Ceti).

• This week, wintry Orion is clearing the japanese horizon by about 9 p.m. (relying on how far east or west you reside in your time zone).

Excessive above Orion shines orange Aldebaran. Above Aldebaran is the little Pleiades cluster, the dimensions of your fingertip at arm’s size.

And much left of Aldebaran and the Pleiades is vibrant Capella.

• The transit of Mercury is developing in three days! Plan your observing now. See Monday beneath.

Saturday, Nov. 9

• In early night, look excessive above the Moon for the Nice Sq. of Pegasus by means of the moonlight. It is standing on one nook. The road from its high star by means of its backside star factors to the Moon.

• Blissful 85th birthday, Carl Sagan (November 9, 1934 – December 20, 1996). If solely.

Sunday, Nov. 10

• Someday round eight or 9 p.m., relying on the place you reside, zero-magnitude Capella could have risen precisely as excessive within the northeast as zero-magnitude Vega has sunk within the west-northwest. How precisely are you able to time this occasion? Astrolabe not required. . . but it surely would possibly assist.

Monday, Nov. 11

Transit of Mercury. Tiny Mercury crosses the face of the Solar at this time — throughout morning for North America, noon in South America, and afternoon for Europe and Africa. The transit begins at 7:35 a.m. EST (12:35 UT) and ends at 1:04 p.m. EST (18:04 UT). At mid-transit, 15:20 UT, Mercury shall be very near the middle of the Solar’s disk. After all you may want a secure photo voltaic filter over the entrance of your telescope!

Map and details, or see the November Sky & Telescope, web page 48. Additionally: see Citizen Science with the Transit of Mercury.

Cloudy? Watch Gianluci Masi’s live observing session of the transit from the Digital Observatory, beginning at 12:30 UT (7:30 a.m. EST).

• Algol is at its minimal brightness, magnitude three.Four as an alternative of its normal 2.1, for about two hours centered on 11:46 p.m. EST. In its regular state Algol is equal in brightness to Gamma Andromedae, now above it.

Tuesday, Nov. 12

• Full Moon tonight and tomorrow night time (as a result of it is precisely full at eight:34 a.m. Wednesday morning EST). This night the Moon shines within the east with the Pleiades to its higher left; binoculars will extract them from the moonlight if needed. Orange Aldebaran hangs to the Moon’s decrease left. Method down beneath, Orion comes over the horizon.

Wednesday, Nov. 13

• Now the night Moon shines near orange Aldebaran. Above them are the Pleiades. Far down beneath is Aldebaran-colored Betelgeuse.

Thursday, Nov. 14

• Vega is the brightest star excessive within the west. Virtually as excessive within the southwest (relying in your latitude) is Altair, not fairly as vibrant.

Excellent or higher proper of Altair, by a finger-width at arm’s size, is orange Tarazed. It appears to be like like Altair’s little sidekick but it surely’s truly a a lot larger and brighter star far within the background. Tarazed is about 360 light-years away, and it is 100 instances as luminous!

• Algol is at minimal gentle for about two hours centered on eight:35 p.m. EST.

Moon crossing Gemini, Nov. 15-17, 2019

The waning gibbous Moon crossing Gemini, up in late night.

Friday, Nov. 15

• The waning gibbous Moon is excessive by late night. It is in Gemini, within the dim toes of the Castor stick-figure as proven right here. A lot simpler to identify are Castor and Pollux, far to the Moon’s decrease left.

• Vega is the brightest star within the west early on November evenings. Its little constellation Lyra extends to its left, pointing within the course of Altair, the brightest star within the southwest.

Three of Lyra’s main stars, after Vega, are attention-grabbing doubles. Barely above Vega is 4th-magnitude Epsilon Lyrae, the well-known Double-Double. Epsilon types one nook of a roughly equilateral triangle with Vega and Zeta Lyrae. The triangle is lower than 2° on a aspect, hardly the width of your thumb at arm’s size.

Binoculars simply resolve Epsilon. And a Four-inch telescope at 100× or extra ought to resolve every of Epsilon’s large parts into a decent pair.

Zeta Lyrae can be a double star for binoculars; a lot more durable, however plainly resolved in any telescope.

Delta Lyrae, higher left of Zeta, is a a lot wider and simpler pair.

Saturday, Nov. 16

• The waning gibbous Moon rises by eight or 9 p.m. As soon as it is effectively up you may see that it is in Gemini, with Pollux to its left and Castor above Pollux.


Need to develop into a greater astronomer? Study your means across the constellations. They’re the important thing to finding the whole lot fainter and deeper to hunt with binoculars or a telescope.

That is an out of doors nature pastime. For an easy-to-use constellation information protecting the entire night sky, use the massive month-to-month map within the heart of every concern of Sky & Telescope, the important information to astronomy.

Jumbo Pocket Sky Atlas cover

The Pocket Sky Atlas plots 30,796 stars to magnitude 7.6, and a whole bunch of telescopic galaxies, star clusters, and nebulae amongst them. Proven above is the Jumbo Edition for simpler studying within the night time. Sample chart.

When you get a telescope, to place it to good use you may want an in depth, large-scale sky atlas (set of charts). The essential commonplace is the Pocket Sky Atlas (in both the original or Jumbo Edition), which reveals stars to magnitude 7.6.

Subsequent up is the bigger and deeper Sky Atlas 2000.0, plotting stars to magnitude eight.5; practically thrice as many. The subsequent up, as soon as your means round, are the even bigger Interstellarum atlas (stars to magnitude 9.5) and Uranometria 2000.0 (stars to magnitude 9.75). And skim how to use sky charts with a telescope.

You may additionally need a good deep-sky guidebook, akin to Sue French’s Deep-Sky Wonders assortment (which incorporates its personal charts), Sky Atlas 2000.0 Companion by Sturdy and Sinnott, or the larger Night Sky Observer’s Guide by Kepple and Sanner.

Can a computerized telescope exchange charts? Not for newcomers, I do not suppose, and never on mounts and tripods which can be lower than top-quality mechanically (that means actually heavy and costly). And as Terence Dickinson and Alan Dyer say of their Backyard Astronomer’s Guide, “A full appreciation of the universe can’t come with out creating the abilities to seek out issues within the sky and understanding how the sky works. This information comes solely by spending time below the celebrities with star maps in hand.”

This Week’s Planet Roundup

Mercury is out of sight within the glare of the Solar.

Venus (magnitude –three.eight, in Ophiuchus) may be very low within the southwest throughout vibrant twilight. Search for it simply above the horizon beginning about 20 minutes after sundown. Do not confuse Venus with increased and simpler Jupiter. The hole between these two planets is shrinking by a level a day: from 16° on November eighth to 9° on the 15th. They’re going to cross 1½° aside on the 23rd and 24th.

Mars (magnitude +1.eight, in Virgo) is low within the east-southeast in early daybreak. This week it is a number of levels from Spica, which is barely brighter at magnitude 1.Zero. On the mornings of November ninth, 10th, and 11th, Mars is passing about three° to Spica’s higher left or left.

Do not be misled by Arcturus, a lot brighter, twinkling some 30° to their higher left.

Jupiter (magnitude –1.9, crossing from Ophiuchus to Sagittarius) is the creamy-white dot low within the southwest as twilight fades. It is between Saturn to its higher left and Venus to its decrease proper, creeping nearer to the latter.

Saturn on Oct. 26, 2019

Saturn on October 26th, imaged by Damian Peach remotely with the 1-meter Chilescope. No image-processing artifacts complicate this fantastic picture. It unambiguously reveals the skinny Encke Hole simply contained in the outer fringe of the outer A hoop, the refined banding within the vibrant B ring, and the North Polar Darkish Spot within the North Polar Hexagon. North is down.

Saturn (magnitude +Zero.6, in Sagittarius) is the regular yellow “star” within the south-southwest throughout and after nightfall. It is about 20° higher left of Jupiter.

Nonetheless beneath Saturn is the deal with of the Sagittarius Teapot, highlighted by 2.Zero-magnitude Sigma Sagittarii (Nunki). Barely proper of Saturn is the dimmer, smaller, triangular bowl of the Sagittarius Teaspoon.

Uranus (magnitude 5.7, in southern Aries) is effectively up within the east by eight p.m. and highest within the south round 11.

Neptune (magnitude 7.9, in japanese Aquarius) is highest within the south in early night. See our finder charts for Uranus and Neptune and Bob King’s story on observing Neptune.

All descriptions that relate to your horizon — together with the phrases up, down, proper, and left — are written for the world’s mid-northern latitudes. Descriptions that additionally rely upon longitude (primarily Moon positions) are for North America.

Japanese Daylight Time (EDT) is Common Time (UT) minus Four hours. Japanese Customary Time (EST) is UT minus 5 hours.

Audio sky tour. Out below the night sky along with your earbuds in place, take heed to Kelly Beatty’s month-to-month podcast tour of the heavens above. It is free.

“The risks of not considering clearly are a lot higher now than ever earlier than. It isn’t that there is one thing new in our mind-set, it is that credulous and confused considering will be way more deadly in methods it was by no means earlier than.”
— Carl Sagan, 1996

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