Solar watch - page 2

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Five days of flares and CME's - 26 M and X-class solar flares

This movie shows 23 of the 26 M- and X-class flares on the Sun between 18:00 UTC on October 23 and 15:00 UTC on October 28, 2013, as captured by NASA's Solar Dynamics Observatory. It also shows the coronal mass ejections, great clouds of solar

October 29, 2013

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Sungrazer's final approach to the Sun

SOHO's LASCO C3 coronagraph treated us with another movie of comet's death plunge into the Sun. Like other comets that were recorded during August, today's sungrazer belongs to Kreutz Sungrazer family. Those

October 10, 2013

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Sungrazing comet and farside full-halo CME

An icy comet with estimated size of few tens of meters plunged into the Sun on August 19/20, 2013 but just before it dissipated, a far-side region on the Sun expelled a magnificent full-halo CME. Today's comet belonged to Kreutz Sungrazer family which

August 20, 2013

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Sungrazing comet visible on SOHO Lasco C3 imagery today

A small comet is diving toward the Sun today, August 19, 2013 and is visible on SOHO Lasco C3 imagery. It entered visual field of Lasco C3 coronagraph at 07:54 UTC on August 18th. The comet belongs to Kreutz Sungrazer family. Those

August 19, 2013

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SDO Lunar transit (August 6, 2013)

For almost 1 1/2 hours the Moon made an appearance in NASA's Solar Dynamics Observatory's view on August 6, 2013. The Moon itself looks much bigger than the Sun - as the Moon is many times closer to Earth (and to SDO) than the Sun

August 07, 2013

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Magnetic pole reversal of the Sun 3 - 4 months away

As it does approximately every 11 years on a solar cycle, the Sun's magnetic field is now reversing. Measurements have confirmed that we are about 3 - 4 months away from complete magnetic field reversal when Sun's inner magnetic dynamo will re-organize itself.

August 06, 2013

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IRIS delivers first images of Sun's atmosphere in unprecedented detail

Interface Region Imaging Spectrograph (IRIS) spacecraft, launched at the end of last month, opened its telescope door on July 17, 2013 and has captured its first observations of Sun in unprecedented detail. IRIS captures images of the lowest levels of

July 26, 2013

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Multiple views of solar activity - illustration

SOHO's latest "Picture of the week" edition released great graphic illustration of combination of Sun-observing spacecrafts coverage of solar events. From their positions near the Sun-Earth line, SDO and SOHO observed small CME on July 4, 2013. At

July 20, 2013

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Million kilometers long coronal hole appeared in the sun's northern hemisphere

A vast coronal hole stretching more than a million kilometers across the sun's northern hemisphere is facing Earth. A stream of solar wind flowing from this coronal hole (NOAA CH 575) should reach Earth on July 19-20, 2013 so increased geomagnetic activity levels

July 19, 2013

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Traveling sunspot group AR 1785 (July 3 - 11, 2013)

NASA's Solar Dynamics Observatory (SDO) released video of Active Region 1785 - one of the largest sunspot groups this year, traveling across the Earth facing solar disk in period from July 3 - July 11, 2013. AR 1785 is now out of Earth view, moving onto

July 13, 2013

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Launch of IRIS solar mission rescheduled to June 27, 2013

The launch of NASA's Interface Region Imaging Spectrograph (IRIS) mission is being delayed to June 27, 2013 from Vandenberg Air Force Base in California. Live NASA Television launch coverage begins at 13:00 UTC (6 p.m. PDT).  Because of a

June 26, 2013

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SOHO observes an amazing solar eclipse of Jupiter on June 19, 2013

On June 19, 2013 NASA`s SOHO coronagraphs observed an eclipse of Jupiter by the Sun, as the planet got directly behind the solar disk; being totally obscured. This event is a rare Jupiter solar conjunction, that happens only twice within Jupiter`s 12-year orbit around

June 19, 2013

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New emerging sunspots raise chances of flares in the coming days

Solar activity is currently at very low levels. However, a group of new sunspots are emerging over the southeastern limb and the chance of flares is increasing with it. This new group is increasing the solar EUV flux absorbed in the Earth’s

June 16, 2013

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Solar magnetism revealed by SDO

By combining different images of the Sun, taken almost at the same time on June 7, 2013, the underlying magnetic structure of the Sun and how it appears above the solar surface can be revealed. SDO engineers combined a magnetic image of the Sun, where darker and

June 12, 2013

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Don’t miss this year’s annular solar eclipse on May 9/10

On May 9-10, the Moon will pass directly in front of the sun over the South Pacific, producing the first (annular) solar eclipse this year. At greatest eclipse, 95-98% of the sun’s surface will be covered. An annular eclipse occurs when the Moon eclipses the

May 09, 2013

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Prominence eruption and CME on May 1, 2013 captured by SOHO, STEREO and SDO spacecrafts

On May 1, 2013, Active Region just around the left edge of the Sun erupted with a huge coronal mass ejection (CME). The video bellow shows combined imagery from NASA’s SDO, SOHO and STEREO heliophysics fleet. Solar Dynamics Observatory (SDO) provided a

May 07, 2013

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Solar science meets art: Solar storm heading for Earth

ESA’s Space Science website released an unique portrait of a solar storm heading straight for Earth, based on data collected by the ESA/NASA SOHO space observatory during a coronal mass ejection. Imagery shows a huge cloud of magnetised plasma ejected

May 06, 2013