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Sunday, August 19, 2018

Review of the Perseids Meteor Shower Star Party

Well, the Perseids have come and gone for the year. The night was beautifully clear and dark. One of the best I have seen this year. The Alpaca Farm set up a wonderful location for the star party, dark skies and plenty of space to sit or lie down and watch the sky. About 100 people, including children, were in attendance. Ziv lead the Hebrew tour and I led the English tour. We were out from about 8:00pm to 3:00am. The meteor shower got off to a slow start, and we didn't start seeing lots until after midnight. But then the show picked up and we were sometimes seeing several every 10 seconds. But meteors fall in bursts, not continuously. I don't think we ever reached the maximum rate of 100 per hour but around 2:00am, near the peak time, we were probably averaging around 30 per hour. Most were short, bright bursts of light.

I held my meteorite raffle lots more than once per  hour, and many happy people went home with their own meteorites. I'm already looking forward to next year's show. In the mean time stay tuned for the next star party on December 13 (Thursday night) when the King of the Meteor Showers, The Geminids, peaks.

Perseids over Stonehenge


Tuesday, July 31, 2018

Perseids Meteor Shower Star Party Sunday August 12, 2018

The best meteor shower of the year, the Perseids, peaks this year (2018) on Sunday night August 12 into early Monday morning August 13. The shower has peak rates of over 100 meteors per hour, and since it occurs in the warm summer months is a popular summer star gazing activity. To help celebrate the event Mitzpe Ramon is turning off all its town lights after  10:00pm and hopefully the other lights from military bases in the area to create an especially dark sky. The darker the sky, the more meteors we see. Mitzpe also holds a town star party which this year will be located in the Machtesh to avoid  over crowding the town with the thousands of people who usually come to see the event. During the day up to 20:00 there will be various astronomical events and free lectures around town. Details here. Hotels fill up quickly so if you are coming you should reserve your rooms immediately.



Astronomy Israel will be having its own star party on August 12 with special star party pricing of 75nis/person over the age of 6, no charge under 6. This is a big discount from our regular star tour prices, but we want every one to be able to come and enjoy the show. We will be out most of the night from dusk until whenever. This is an especially good year for the Perseids since there is no moon in the sky, as the moon is new on Sunday night and sets with the sun. A bright moon severely interferes with seeing the dimmer meteors in a shower. This year we will be doing both Hebrew and English tours of the night sky during the star party, with my co-pilot Ziv handling the Hebrew tour.

We are pleased to be holding this year's star party in conjunction with the Alpaca Farm of  Mitzpe Ramon who will be hosting the star party and providing camping accommodations to guests. They will also be selling drinks, snacks and, food. Camping at the Alpaca Farm is 120nis, including Alpaca Farm entrance fees. (Bring your own sleeping bags and tent, the Alpaca Farm is just providing the space.) A super-special discount for the star party: 25nis/person (6 years old and up, no charge under 6) if you sign up for the star tour together with camping at the Farm. Contact the Alpaca Farm to arrange for camping with them, not me. Mention the star party if you want to sign up for the special Alpaca Farm star party price. Those staying elsewhere should sign up directly for the star party at my booking site. The cost is 75nis/person (6 years old and up) if you are staying elsewhere.  No entrance fee to the Farm if you book the star party directly at my booking site. To contact the Alpaca Farm:
Phone: +972-52-897-7010
Email: office@alpaca.co.il
Web site: www.alpaca.co.il

The Alpaca Farm is just 5 minutes behind Mitzpe Ramon, down Ben Gurion Boulevard, the main road into Mitzpe Ramon.



To book the star party directly if you are staying elsewhere, click the button below:
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Other campgrounds around Mitzpe Ramon for viewing the meteor shower:
https://www.facebook.com/ariel.lasman/posts/991070584396127?hc_location=ufi


Meteors are what most people call "shooting stars" or "falling stars", but they are neither. They are bits of rock and debris from outer space that fall to earth and burn up from the heat of friction with the earth's atmosphere. It's their light generated by friction with the earth's atmosphere that we see. Usually these rocks from space just fall randomly so we only see a few per night. But sometimes the earth passes through the orbit of an ancient comet, which disintegrates as it orbits the sun and leaves a debris trail behind. As the earth passes through this cometary debris trail scores of particles fall to earth simultaneously creating a meteor shower. Really good showers like the Perseids can have peak rates in excess of 100 meteors per hour. Of course most of these are quite dim, but many bright ones are also visible creating "Ooohs" and "Ahhhs" from the onlookers.

Comet orbit
As the earth passes through  the orbit of an ancient comet debris rains down of our planet creating a meteor shower.
Israel is ideally placed this year to view the shower as the peak falls during the early morning hours of August 13 in this part of the world. Meteor scientists are also predicting a mini-peak around 11:00PM on August 12 as the earth passes through a small stream of particles left behing by Comet Swift-Tuttle, the comet that is the origin of the debris that makes up the Perseids Meteor shower. Make sure to be out by then.

Most meteors are quite tiny, minuscule even, about the size of a grain of sand. Of course, we don't  see an object that small in the sky, we just see the tremendous light generated as they burn up from friction. They begin to become visible at heights of around 50 miles to 175 miles high. But sometimes enormous objects fall to earth. Most recently the Great Chelyabinsk Meteor fell to earth on February 15, 2013, over the town of Chelyabinsk Russia. It was 60 feet in diameter and weighed over 12,000 tons when it entered the earth's atmosphere at a speed in excess of 100,000 MPH. It was the largest meteor to fall to earth in over 100 years and was captured by numerous dashboard cameras. I put together a compendium of the videos on YouTube, and it is one of the most dramatic astronomical events of recent memory:





If meteors are large enough they can survive their fiery fall through the earth's atmosphere and hit the ground, as the Chelyabinsk Meteor did. They then change their name to meteorites and can be found, collected and researched. They are primordial pieces of the solar system, over 4 billion years old. As usual I will have my large bag of magic "rocks from space" with me, and you will be able to hold real "shooting stars" in your hand. Also, as usual, we will be raffling off free meteorites every hour (retail value 50nis), and Yes, if you don't win one and really want to take one home we will sell them to you if you insist.

Two of the meteorite pairs we will be raffling at the star party: A Tektite (left)) and a fragment of the Campo del Cielo (right).
Meteors can be observed from any dark sky location and no optical equipment is needed or even desirable. They can appear anywhere in the sky so the best place to see them is a dark sky location with open horizons. Just lie down  on the ground and look up. That's why Mitzpe Ramon is such a popular location for viewing them. People often ask me where is a dark sky location besides Mitzpe and my answer is, "I don't know." I do almost all my observing from Mitzpe. You know your own area better than I do.My impression is that in the center of the country along Route 35 and 38 there are a number of parks where  the sky may be suitably dark, but I've never observed from there myself.

If you trace the path of meteors in a shower back from their source they appear to emanate from a single location in the sky, a particular constellation, called the "radiant" of the shower. The Perseids appear to emanate from the constellation Perseus, just below Cassiopeia. as the radiant rises higher in the sky more meteors are seen. That happens after midnight in August which is why the early morning hours are usually the best for viewing the meteor shower.

Perseids meteors
Time lapse photo of meteors appearing to emanate from the "radiant" in the constellation Perseus.
Although the peak of the shower is very sharp there is also a great increase in the number of meteors a few days before and a few days after the peak. This chart is an illustration of the the prediction of the rates for the shower in 2016:

Perseids ZHR
Predicted Zenithal Hourly Rate (ZHR) of the Perseids in 2016

As you can see from the above chart while the peak is quite sharp, which is why people try to come on the night of the peak, these is still quite an uptick in meteors 3-4 days before and after the peak and sometimes even longer than that, with rates in the 30 or so per hour, still far more than are seen on an average night. Of course most of these are quite dim, but there are still a few bright ones, fireballs, that make the night memorable, so it is also worth coming for a look at the shower a few days before or after the peak, although predicting what you will actually see then is impossible. But the sky will still be quite dark as there will still be no bright moon in the sky.

You can book our Perseids Star Party Tour by clicking this button:


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Wednesday, July 11, 2018

Century's Longest Lunar Eclipse July 27, Tu B'Av!

The century's longest lunar eclipse is on Friday night July 27, Tu B'Av on the Jewish calendar. And lucky you if you live in Israel because you will have one of the best front row seats. Those living in the Americas and Canada, sorry! The eclipse ends before moon rise in your part of the world. So grab your best guy or gal, get an airplane ticket, and celebrate the Jewish night of romance with them under the totally eclipsed moon in Israel.

The chart below shows the timings and circumstances of the eclipse:

Total lunar eclipse of July 27, 2018
Timings and circumstances of the total lunar eclipse of July 27, 2018

Timings  of  the total lunar eclipse for Israel, with local Israel Daylight Times in parenthesis. In other words, the lunar eclipse begins at 9:24PM local time on Friday night, July 27, peak darkness is at 11:22PM on July 27, and ends at 1:19AM the morning of July 28.

2018 July 27
Partial eclipse begins: 18:24  UTC ( 21:24 Israel Daylight Time)
Total eclipse begins: 19:30  UTC (22:30 Israel Daylight Time)
Greatest eclipse: 20:22 UTC (23:22 Israel Daylight Time) 
Total eclipse ends: 21:13  UTC (00:13 Israel Daylight Time)
Partial eclipse ends: 22:19 UTC (01:19 Israel Daylight Time)
This is such a long eclipse because as you will note from the chart above, the moon passes almost directly through the very center of the earth's shadow, its widest part, spending the longest time of the 21st century in eclipse! This is also a Micromoon full moon, the opposite of a Supermoon. A Micromoon full moon occurs when the full moon is at apogee, its greatest distance from the earth, so it appears smaller in the sky. Hence it also spends more time in the earth's shadow. Aren't we lucky to be alive on this date and living in Israel for a front row seat!

Take some time while watching the eclipse to note the moon's darkness, called its Danjon Number during an eclipse. 0 is darkest, 5 is brightest. When the moon passes centrally through the  earth's shadow it's farthest from the edges of the shadow, so less sunlight gets refracted onto its surface during the eclipse.  During some very dark eclipses the moon may completely disappear. But this also depends alot on the earth's atmosphere at the time. The denser or cloudier it is around the globe the more sunlight gets refracted onto the moon and the brighter the eclipse. This is hard to predict so it should be fun to look for how dark this eclipse is and estimate its Danjon number. You can find out more about the Danjon Scale here.

All lunar eclipses occur during full moon, when the moon is opposite the sun with the earth in between. July 27th's eclipse falls out on the full moon of the Jewish month of Av, or Tu (meaning 15) B'Av, often referred to as Jewish Valentine's Day, since on this day in ancient times the girls used to dress in their finest and dance in the fields to encourage matches with the boys. A happy time after the fast and mourning of the 9th of Av, Tisha B'Av. So, what could be better than going out with your Bestie to enjoy the romance of the longest lunar eclipse of the 21st century? I will leave it to the astrologers if this is a good or bad omen, the eclipse of the light of love or its revelation in the darkness of the moon. In any case this should not be one of those famous "blood red" moon eclipses since it is so central in the earth's shadow and little refracted sunlight, which causes the red color, should be evident. In any case be sure to take in all the planets that will be visible during the night, and especially during the darkness of totality. (See our previous post on the summer planets.)

You need no optical aid to the view a lunar eclipse but even small binoculars enhance the view and will show you details on the moon that are otherwise invisible to the naked eye.

There are many events being held to view the lunar eclipse in Mitzpe Ramon, but since this is a Shabbat night we will not be holding our usual star tour. You can look those events up online  if you want to come down here. But a full moon and eclipse is usually so bright that you should be able to watch it from almost anywhere in Israel from the beaches of the Mediterranean to Diezengoff Square.
When I complained to a friend  that the longest lunar eclipse of the century was falling on Shabbat and I wouldn't be able to hold a star tour, he told me, "Relax, it's Gd's way of telling you to just enjoy yourself for once." And so I shall. I hope you do,too!

To find out more about this eclipse see here.


Friday, July 6, 2018

2018: Best Summer I can Remember for Viewing Naked Eye Planets

This is the best summer  I can remember ever for viewing the naked eye planets. All five, Mercury, Venus, Mars, Jupiter, and Saturn, are all visible in the early evening sky, sometimes as many as four at one time! These are all the planets known to  the ancients, the sixth, Uranus, not being visible to the naked eye had to await the invention of the telescope and was discovered by the famous British astronomer Sir William Herschel on March 13, 1781.

Start off your evening of planet watching at 8:30pm looking west. You can't help but see the brilliant luminary Venus high in the western sky, looking like a beacon of light. In fact during war times it has frequently been mistaken as an incoming enemy aircraft and shot at by anti-aircraft gunners. They missed. Below and to the right of Venus, about 2/3rds down a diagonal line connecting Venus to the sunset point, is much dimmer Mercury. Around 8:30pm on July 6-12 it is the only other bright object visible in the sky, about 15 degrees above the horizon, WNW. Can you see it's distinctly yellow color compared to creamy white Venus?

Venus and Mercury in the western sky about 8:30pm on July 6, 2018.
Later in mid-July the new moon will appear near Mercury and make it easier to find if you haven't found it yet.

Venus and Mercury during mid-July with the new crescent moon right next to Mercury.
Don't wait too long to look for elusive Mercury it will start sinking lower in the sky at dusk after mid-month as it heads back towards the sun. This is a particularly good apparition of the planet with it so high in the sky and making it so easily found.

While you're watching Mercury set turn Eastward to find the ringed gas-giant planet Saturn rising about 15 degrees above the horizon in the southeast, right above the bow of the constellation Sagittarius. While the dimmest of all the planets in the sky now, besides Mercury, it is still the distinctively brightest object in that region of the sky. It kind of distorts the shape of the Archer's bow as it lies just above and left of its top-most star.

Now turn and face due south. It's hard to miss the brightest object now high in the sky at about 50 degrees above the horizon, the brilliant gas-giant Jupiter. After Venus sets about 10:00pm it is distinctively the brightest object in the sky.

You have now seen four of the five naked eye planets simultaneously in the  sky, a rare occurrence. I can't remember the last time I saw so many.

But wait! It get's better. Around 10:15pm be sure to look due east where you will see the brilliant red planet Mars rise at the horizon. This is the best apparition of Mars since 2003, so it is a brilliant red orb in the sky, brighter even than Jupiter, another rare occurence. Be sure to watch it as it rises and see if you can feel the earth move beneath you. I never can!

You have now seen all five naked eye planets in the sky in the span of just two hours. I have no idea when this will happen again so enjoy it now while you can.

For a real thrill why not join us for a star tour in Mitzpe Ramon where you can see the planets through our telescopes, as well as the star clouds of the Milky Way with the ringed planet Saturn in the foreground. Click the link below for a reservation.

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Friday, April 20, 2018

Lyrid Meteor Shower Peaks this Saturday Night and Sunday Morning, April 21-22

If you stay up to watch past midnight on the morning of April 22, the crescent moon will have set, the radiant will be high in the sky and you should see a good display of meteors. The peak number of meteors per hour tends to run 10-20 in a moonless sky, not a huge number but certainly worth looking for.

http://www.skyandtelescope.com/observing/lyrid-shower-kicks-off-year-of-great-meteor-watching/#.Wtm5pTJN0wI.facebook


A Lyrid meteor streaks through the sky as captured by Simon Waldram.


Tuesday, March 20, 2018

Welcome to Spring, March 20, 6:15pm IST

Astronomy Israel welcomes you to the official beginning of Spring which occurs at 6:15pm Israel Standard Time on March 20, 2018. This is astronomically called the Vernal Equinox, Vernal meaning "spring" in Latin, Equinox, meaning "equal night" in Latin, as on this day daylight hours and night time hours become equal. From this day forward the days start to get longer and the nights shorter. The earth stands with its axis perpendicular to the plane of its orbit around the sun.


At the Vernal Equinox the earth's axs stands perpendicular to ts orbit around the sun. Day and night are equal. It is the official astronomical beginning of Spring. And welcome to it!

Don't Miss Venus, Mercury and the New Moon, March 20-25

This update comes a bit late, as I have lost track of the planets for a while, but the end of March has the best display of the planet Venus and the elusive planet Mercury, together with a beautiful crescent moon, in a long time. look west, toward the sunset point, starting around 6:00PM between March 20-25  to see bright, beautiful Venus in the western sky, just below a waxing crescent moon. Just to the right and a bit above Venus is much dimmer Mercury. It will be harder to see as the sky is still bright from the setting sun, and it  is nowhere near as bright as Venus, but it is visible as the sky gets darker with the naked eye. Binoculars will show Mercury easily in the same field of view as Venus. Be sure to catch this beautiful tableau at the end of March. By March 25 Venus and Mercury will be farther apart and Mercury will be more difficult to see, but Venus will remain a shining beacon in the western sky a sunset, worth looking for throughout Spring.

Because Mercury is never far from the sun it is always hard to spot so any occassion where it appears high in a relatively dark sky is an opportunity to see our elusive closest planet to the sun. And remember, Mercury is so elusive that Copernicus himself was rumored to never have observed it with his own  eyes. So, go out at sunset, look west, and enjoy the spectacle of our nearest planets, Mercury and Venus, in the sky close to our nearest celestial body, the earth's own moon!


Venus, elusive Mercury, and the new moon in the western sky at sunset. Don't miss the spectacle March 20-25, 2018!
Update on March 22, 2018:
Mercury has now moved to the lower right of Venus, no longer above it. Hold your hand out at arm's length and put up three fingers. Mercury now lies three fingers to the right of Venus and just below it in the sky. I was not able to see it with my naked eye from a light polluted park in Mitzpe Ramon, but it should be quite evident with almost any pair of binoculars. once you've identified its location in binoculars you can make it out as a pin prick of light, even in heavy light pollution. Good luck!


Wednesday, January 31, 2018

A Very Special Tu B'Shevat on January 31, 2018

Tu B'Shevat is known as the "Birthday of the Trees". The name is simply the Hebrew date, the 15th of the month of Shevat, which usually falls in late January or early February. It is the date from which the age of trees is counted for purposes of taking tithes during Temple times or the age of a tree of purposes off eating its fruit. The Torah forbids eating the fruit of a tree until it is 4 years old ("Orlah"). How do we know how old a tree is? We start counting from Tu B'Shevat. That's why it's called the "Birthday of Trees". So, for halachic purposes, a tree planed one day before Tu B'Shevat becomes 1 year old on that day. And another year old on each successive Tu B'Shevat.

This year's TuB'Shevat is extra special because it corresponds to the triple astronomical whamy of a Super-Blue-Blood-Moon. (http://www.astronomyisrael.com/2018/01/super-blue-blood-moon-on-january-31-2018.html) The last time this triple astronomical whamy happened was in 1866. I have no idea when it also last coincided with TuB'Shevat!

But you may be asking yourself why TuB'shevat was picked for the birthday of the trees. Why not another date? And the answer, perhaps not surprisingly, is astronomical. TuB'Shevat is the birthday of the trees because it is a lunar, cross-quarter day. That is, it marks the cross over the middle of the winter quarter. It is half-way between the winter solstice on December 21 and the Spring equinox of March 20. So, half the winter is behind us on this day, and we start looking forward to the coming of spring. And because of this, in the temperate climate of Israel, and other similar climates, the trees beging to set their first flowers. Of course,  the Jewish  calendar being a lunar calendar, this is marked by a lunar event, the full moon of Shevat, which occurs on the 15th of the month, hence the Hebrew letters tet-vav (pronounced tu [two]), whose numerical value is 15. That TuB'shevat falls this year on a Super-Blue-Blood-Moon night is extra special. In fact TuB'shevat ends this year as the supermoon rises over Israel at 5:18PM in Jerusalem. I'm sure those versed in Kabbalh, Zohar, Chasidus, and astrology can tell you exactly what this means in each of those traditions, although I cannot.

Many folk cultures celebrate this cross-quarter day, but in the solar calendar, not the lunar calendar. Do you know what day that is? That's right - it's Groundhog Day (February 2) in the United States. That's the day Puxtahawney Phil emerges from his burrow and lets the world know if winter is over or if there will be another 6 weeks of winter. Why 6 weeks? Because it's half of 12 weeks (or half the winter season behind, half ahead), with just another 6 weeks to go until the Spring Equinox. It's the solar cross quarter day. It derives from the German Candelmas Day, which like many Christian traditions, derives from the Jewish TuB'Shevat.

So, the next time Groundhog Day rolls around, just remember it's the way the rest of the world celebrates TuB'shevat.









Sunday, January 21, 2018

Super Blue Blood Moon of Tu B'Shevat on January 31, 2018

There are alot of things, alot of colors going on here. Let's talk about what you're actually going to see.

In Israel, you are just going to see a full moon. It won't be blue; it won't be a blood red color. But because this full moon occurs when the moon is closest to earth in its orbit it will be bigger and brighter than usual, hence the term "supermoon". A supermoon is only 10%-15% bigger than a regular full moon but up to 30% brighter. Most experts will tell you that you can't see the difference unless you compare a supermoon in the sky to a regular full moon, which of course you can't do. But almost everyone, including me, who sees a supermoon feels it is much bigger than the last full moon they saw. Since a rising full moon looks bigger than usual when it's near the horizon anyway (called the "moon illusion"), most people strive to see a supermoon at moon rise to enhance the effect even more. A full moon always rises at sunset since it is opposite the sun (that's why it's full). In Israel this will be around 5:18pm on Wednesday, January 31, although the actual time will probably be anywhere from 15-30 minutes later since most people don't have a clear flat eastern horizon. Did I mention the moon will rise in the east, like all celestial bodies (you did know that, right?) So, you will need a clear eastern horizon. The full, supermoon will be in the sky all night long, you won't just see it at moon rise, but it will look biggest and brightest at moon rise due to the aforementioned "moon illusion".

Since this is the second full moon of January, it's called a "blue moon", although it never looks blue. The second full moon of a calendar month is called a "blue moon". The first one of this January was on January 1. It has come to refer to any event that occurs rarely, as a second full moon in a month is a relatively rare event. It occurs on average about every 2.72 years.

Now for the "blood moon". A blood moon is the name given to a moon in full eclipse, as it tends to look reddish during totality. This is because the earth acts like a lens and bends sunlight around itself to strike the moon during totality. This small amount of sunlight is filtered through the earth's atmosphere which makes the residual light falling on the moon red, just as the sun itself is reddened by the earth's atmosphere when it sets. You actually do see a reddish or "blood moon" during a total lunar eclipse, but sad to say, you won't in Israel, at least not this time. That's because totality ends before moon rise in Israel. You'll just see a regular, full, supermoon. No colors this time. Sorry. If you want o see the lunar eclipse on Wednesday you'll need to watch online. See the links below.

The best place for most of our readers to see the total lunar eclipse is in the wetern US. See times below. As you can see, the eclipse begins early in the morning on the east coast of the US with the moon setting in the west. It should make for a great photo opportunity! The west coast will get to see the entire even with totality beginning on the west coast at 4:52AM PST, again with the moon setting in the west.

Lunar eclipse times in the US on the morning of January 31, 2018


This is the first triple-header event since 1866: A super, blue blood moon. But wait! It gets better than that because this triple-header coincides this year with Tu B'Shevat, the 15th day of the Hebrew month of Shevat, known as the Birthday of Trees. It's the day that the age of trees is calculated from biblically for purposes of bringing tithes and offerings to the Temple and allowability to eat its fruits. (Fruits of tress are biblically prohibited until they are 4 years old, called "Orlah".) Of course, since it's the 15th of the month, it always coincides with a full moon, but I have no idea (and have not seen anyone else who does) when the last time Tu B'Shevat coincided with a super, blue, blood moon!

Unfortunately, the total lunar eclipse part of this event will not be visible in Israel. The western US will be the best place to see the lunar eclipse. (See above)







http://www.jewishpress.com/news/religion/get-ready-for-wednesdays-once-in-150-years-blood-moon-thats-also-super-moon-blue-moon-lunar-eclipse-and-tu-bshvat/2018/01/28/

NASA webcast of total lunar eclipse:
https://www.nasa.gov/press-release/nasa-television-to-air-live-coverage-of-upcoming-rare-lunar-eclipse

Other sites to watch the lunar eclipse online:
http://www.skyandtelescope.com/astronomy-news/where-to-watch-lunar-eclipse-online/

Meteor Shower Guide for 2018

http://earthsky.org/astronomy-essentials/earthskys-meteor-shower-guide

Wednesday, January 3, 2018

Quadrantid's Meteor Shower Peaks January 3-4

The first meteor shower of 2018, the Quadrantid's, peaks on the night of January 3 and the early morning of January 4. The peak is predicted for midnight, Israel Standard Time (IST). Unfortunately a nearly full moon will be in the sky all night and spoil the fun for all but the brightest members of the shower. If you're going to try viewing it just find a dark location and look up. No optical aid is required or even desirable. Just your own two eyes. Forecast rates for the peak are 11 meteors per hour, but on good years I have seen many more. This full moon of January 1-2 was the  full Wolf Moon of winter, a supermoon, occurring during  the moon's closest approach to earth, hence bigger and brighter than a regular full moon. Its light blocks out many meteors during peak shower nights. If you go out, stay warm!



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