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Posts Tagged 'spring'

Astronomy Highlights Spring 2022

March 1 2022, Marcus Schenk

Close conjunctions between planets, a bright Venus and a total lunar eclipse: In this quarter, the heavens are offering up some delicious morsels which are worth viewing. What’s happening with Mercury, for example? The small, nimble planet will soon reach its best evening visibility.

In the “Astronomy Highlights in Spring 2022” infographic, you can find at a glance numerous important celestial events. You can find dates and detailed descriptions of the events in the accompanying text.

Have fun observing!

March

08/03 Conjunction between the Moon and the Pleiades

This evening, the six-day-old Moon approaches the Pleiades open star cluster.

12/03 Conjunction between Venus and Mars

Shortly before sunrise, Venus and Mars can be seen over the south-eastern horizon. Venus is almost half-illuminated and shining with a magnitude of magnitude -4.5

20/03 Venus at greatest western elongation

Venus is at its greatest western elongation today. It, therefore, reaches its greatest angular distance from the Sun and can maintain an acceptable altitude above the horizon. It is now 50% illuminated.

23/03 Conjunction between Saturn and Mars

Just above the horizon, we can look forward to an attractive celestial display. Venus, Mars and Saturn are waiting for us in a planetary triangle. A good opportunity to compare their various magnitudes.

28/03 Conjunction between the Moon, Venus, Saturn and Mars

On 23 March, we are able to marvel at three planets. Today the slender crescent moon is keeping the trio company. Grab your camera and capture this beautiful event for ever.

April

05/04 Conjunction between Mars and Saturn

A rare event? Yes, because this morning Mars is passing by the ringed planet at a distance of only 20 arc seconds. A good opportunity to view both planets through binoculars or a telescope, or for a photo of both celestial bodies.

05/04 Moon in Davis’ Dog

An asterism is a random collection of stars which we perceive in pretty patterns. Today the Moon brushes past “Davis’ Dog”, a pattern of stars which resembles a dog or a fox. When viewed through binoculars, the sight is very delightful. In some places, the Moon occults bright stars.

17/04 Conjunction between Mercury and Uranus

This evening sees Mercury passing Uranus at a distance of only two degrees. This means you can locate both planets within the visual field of a pair of binoculars. A high vantage point is desirable since the planets are only 4 degrees above the horizon at 9pm.

24/04 Mercury in the evening sky

Mercury achieves its best evening visibility this year. Do you still want to see it? Then the time is now. At dusk, it can be found just above the western and north-western horizon. But only for the next 10 to 14 days, before it disappears.

27/04 Conjunction between Venus and Jupiter

Three days before the new Moon, its narrow crescent comes into conjunction with the planets Venus and Jupiter.

29/04 Conjunction between Mercury and the Pleiades

The winter constellation of Taurus goes down in the west. In the twilight, Mercury approaches the well-known Pleiades star cluster. You can marvel at both in the visual field of a pair of binoculars.

May

01/05 Conjunction between Venus and Jupiter

At a distance of barely 20 arc seconds, Venus “scrapes” past Jupiter. Such a close encounter is seldom seen. The only downside is that you have to drag yourself out of bed early as it can only be seen in the morning sky.

02/05 Conjunction between the Moon and Mercury

For those who prefer to observe in the evenings, you can catch a last glimpse of Mercury today. The spectacle takes place just above the western horizon but is especially attractive. A delicate waxing crescent moon to the left and, to the right, the Pleiades.

12/05 Venus, Jupiter, Mars in alignment

Shortly before dawn, we can see Venus, Jupiter and Mars sitting in a neat row. A little further up, we can also find Saturn. The band of planets stretches from the eastern horizon almost diagonally across the sky.

16/05 Total lunar eclipse

The last visible lunar eclipse took place in January 2019. Three years later, the event is repeating itself. However, visibility for the current eclipse is sadly not optimal. We cannot fully follow it, only the first part. The Moon enters the Earth’s umbral shadow at 04:28. At this time, our satellite is still 8 degrees above the horizon. Just at the start of the totality, the Moon goes down in the southwest. We won’t be able to see another total lunar eclipse until 2025 – and that will be in the evening.

28/05 Tau Herculids

The Tau Herculids are a meteor shower which we have not previously recommended in our Astronomy Highlights. Why? They are usually barely noticeable and not so exciting with a maximum of two meteors per hour. Only avid meteor fans get anything out of them. But this year could be different. This year, the Earth crosses paths with the trail of dust left by the disintegrating 73P/Schwassmann-Wachmann 3 comet in 1995. This year, it could be quite the shower. The International Meteor Organisation (IMO) is encouraging people to collect observational data.

29/05 Conjunction between Mars and Jupiter

At three in the morning, Mars and Jupiter climb above the horizon. It will be immediately apparent that we are dealing with a very close conjunction here. The two planets pass each other at a distance of around 0.5 degrees. When viewed through binoculars, they will appear as a stunning pair in the same visual field.

Infographic: Astronomy Highlights in Spring 2021

February 26 2021, Marcus Schenk

A visit to the Pleiades, a very bright minor planet and a superbly-visible Mercury in the evening sky. There’s lots to look forward to the astronomical spring, because it has plenty to offer.

In the infographic Astronomy Highlights in Spring 2021, you have an overview of the important celestial events for the next three months.

We wish you lots of observing pleasure!

March

4/3 Mars near the Pleiades (Golden Gate of the Ecliptic)

Mars was in opposition last year and was visible in the starry evening sky. It still gleams in the night sky, disappearing ever more from the picture, along with the winter constellations. Around 4 March it nears the Pleiades at a distance of about 2 degrees. In doing so, the god of war also passes through the Golden Gate of the Ecliptic. This is the name of the area between the Hyades and the Pleiades, through which the ecliptic takes its course.

4/3 Vesta at opposition

Vesta is a goddess in Roman mythology but also the name of a well-known minor planet. With a diameter of 520 kilometres, it is the second largest in the asteroid belt.  While at opposition, it can sometimes be distinguished with the naked eye. Currently, at mag. 5.8 – 6.0, it is just beyond the visibility of the naked eye. However, it is easy to see with binoculars or a telescope. So how about observing a minor planet? That would make a very special star-gazing evening. What’s more, you can easily find Vesta in the rear part of the constellation Leo. From star Theta Leonis (the hind leg of the lion), just one degree to the northeast – et voilà.

5/3 Mercury near Jupiter

A difficult encounter: Mercury and Jupiter are near one another, but they are not easy to track. When both become visible, it will be shortly before 6:00am and the Sun will be just 8 degrees below the horizon. The time window is short and you need a clear view of the horizon as the two planets approach with a separation of just 0.3 degrees.

10/3 the Moon nears Jupiter and Saturn

Just before dawn for early risers: several objects gather together over the south-eastern horizon this morning. Almost as if they were on a diagonal pearl necklace, you will discover Mercury, Jupiter and Saturn. The delicate crescent Moon frames this meeting of the planets, and turns the morning into a wonderful astronomical event.

16/3 the Moon nears Uranus

In the evening hours we see the waxing crescent Moon between the constellations Cetus and Pisces. If you like, you can make a detour from here with your telescope, to the distant planet Uranus. Because today it is just 6 degrees above the Earth’s satellite. Uranus is always worth a look, because it is not a standard object, such as Saturn or Jupiter. As a distant planet, even in a telescope it is just a small disc which, if you look closely, is clearly different from a star. Nevertheless, it makes sense to familiarise yourself with the exact position on a star chart before observing.

18/3 Mars nears u Tauri

A few days ago, Mars moved through the Golden Gate of the Ecliptic, past the Pleiades. Today it stops at u Tauri in the constellation of Taurus, at a star that is a member of the Hyades. This is a pulsating star, which changes its luminosity within a few days. If you scan through this area with binoculars, you will notice a pattern made up of many stars. This is an asterism, a pattern-like group of stars. It’s called Davis’ Dog and depicts a dog with a nose, eyes, ears, legs and tail. Although some people see it as a fox. What do you see?

April

1/4 Antares nears the Moon

During the night from 1 – 2 April, the Moon approaches the brightest star in Scorpius: Antares. It is a red supergiant and shines brightly and red-hued in the night sky. Its diameter is 700 times greater than that of our Sun and it would swallow some planets, including our Earth, if it were to take the place of our own celestial body.

6/4 the Moon nears Saturn

The morning sky already shows us the heralds of summer: the constellations Sagittarius and especially Capricornus. In the realm of this mountain goat, the Moon and Saturn meet today and stand at a separation of 5.3 degrees.

15/4 the Moon passes the Golden Gate of the Ecliptic

Three days after the new Moon, the delicate crescent Moon appears again in the evening above the western horizon. Our satellite reaches the Golden Gate of the Ecliptic, which is flanked by the famous star clusters of the Hyades and the Pleiades.

17/4 the Moon nears Mars

The Moon and Mars meet tonight at a distance of around 2.5 degrees.  The Red Planet is still in the constellation Taurus, but on 24 April it will move to the constellation Gemini.

19/4 the Moon nears Pollux

The Moon approaches the star Pollux in Gemini at a separation of 3.3 degrees. The more interesting thing tonight, however, is the occultation of star kappa Gem by the Moon. It approaches with its unlit side and swallows the bright mag. 3.5 star for a little more than an hour. The occultation can only be followed in certain regions with sufficient darkness. In Germany, the occultation begins at around 20:21.

26/4 Venus nears Mercury

This is something for specialists: because Venus and Mercury are not yet visible in the evening sky. But at dusk, the two inner planets approach one another and pass by at a distance of 1.3 degrees. At 20:45 CEST, the Sun will be just 4 degrees below the horizon and the planets will be slightly above it. So you may catch a glimpse with large binoculars, but it’ll be difficult to observe.

May

4/5 the Moon nears Saturn

Capricornus belongs to the summer constellations and is already climbing above the horizon in the morning sky. The planet Saturn will remain in this constellation for the next two years, before it moves to Aquarius. However, this morning the Lord of the Rings gets a visit from the Moon.

5/5 the Moon nears Jupiter

Yesterday, the Moon visited Saturn, today it also calls on Jupiter. It is still in the neighbourhood, after Jupiter and Saturn met in a very close conjunction last December.

10/5 Mercury visible, evening sky

Mercury has good evening visibility this month – it’s the only month this year when it is really easy to observe. From 10 May, it’s easy to find on the western horizon. At around 21:30 it will be dark enough that you will have no problem seeing it gleaming in the sky. Venus is on the verge of setting, but Mercury is around 8.5 degrees above the horizon. This means: if you have a good view towards the horizon, you have an hour until it disappears in the haze of the horizon and sets. Over the course of the month the little planet climbs the stairway to the heavens, and will be located a little higher every day. On 18 May, it will not set until 22:53 CEST – but thereafter it sets a little earlier every day.

13/5 the Moon nears Mercury

One of the most beautiful encounters on the evening sky: shortly after sunset today, the 3.5% illuminated crescent Moon joins Mercury and will be just 2 degrees to the south. Further below you will discover Venus.

15/5 the Moon nears Mars

In the far west, today the still-narrow crescent Moon meets with Mars in the constellation Gemini. By the way, NASA launched a new robot mission to Mars last year. NASA successfully landed the Perseverance rover on Mars in February, as part of the Mars 2020 mission. The first ever Mars helicopter is on board. Controlled by rotor blades, the drone will fly through the thin “air” and help to explore Mars from a low altitude.

17/5 Mercury at greatest eastern elongation

Mercury is at its largest eastern elongation today. With this, it reaches its greatest angular distance from the Sun and holds an easy-to-observe position above the horizon. We now have more than an hour to marvel at it before it sets. If you want to observe it with a telescope, now is also the right time – as the planet sneaks away from the thicker layers of air in the atmosphere.

17/5 the Moon nears the Beehive

It is often simply called M44 or Praesepe, but a particularly nice name for this object is: the Beehive cluster. Like in a luminous beehive, there are about 300 stars bustling in this open star cluster. The Moon nears the Beehive at about 4 degrees. This means you can see both objects with a pair of binoculars in the same field of view.

19/5 the Moon nears Regulus

Tonight, the waxing Moon nears Regulus, the main star in constellation Leo, which is also called Little King in German. Its position is close to the ecliptic, which means that repeated occultations of Regulus by the Moon can occur.

28/5 Mercury near Venus

Mercury had its best evening visibility this month and was positioned high above the horizon. Meanwhile, it has lost some height and is joining up with lower-positioned Venus. They pass by one another, but meet on the 28th and approach each other at a separation of up to 0.5 degrees.

31/5 the Moon nears Saturn

In the second half of the night, you can observe the Moon and Saturn in a southerly direction in constellation Capricorn. The constellation climbs higher and higher until daybreak, and approaches the meridian, the highest point in the sky.