Sol (Sun) and its phenomena

SOLAR CYCLE ACTIVITY REPORT AUGUST 22_2023

Solar activity has been at low levels for the past 24 hours.The largest solar event of the period was a C4 event observed at 07:53 UTC on August 21

There are currently 8 sunspot regions on the solar disk: AR3403, AR3404 AR3405, AR3407, AR3411, AR3412 and new regions AR3413,
AR3414
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AR3409 is gone

Total number of sunspots has increased to 102 (22 of these are grouped into 8 active regions) NOAA forecasts for the next 24h: 99% chance for C flares, 15% chance for M flares and 1% chance for X flares. All regions have stable magnetic fields.

● Auroral Activity

The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. On August 21 Solar wind speed reached a peak of 686 km/s (Moderately high speed) at 22;40 UTC. Total IMF reached 7 nT at 22:52 UTC
Aurora Oval Bz: -2.24 nT South
aurora-map.jpg

ARCTIC AURORA SEASON BEGINS EARLY: A fast stream of solar wind hit Earth over the weekend, sparking a rare display of August auroras around the Arctic Circle. "On Saturday, Aug. 19th, I got to see my first Northern Lights of the season," reports Göran Strand, who sends this picture from Östersund, Sweden (latitude +63N):​
In the Arctic, August auroras are extra-special because the glow of the Midnight Sun has not yet faded away. This gives observers a chance of see a mix of colors: Twilight blue and geomagnetic green. "Blue night-sky auroras are so beautiful with a warm horizon at the bottom," notes Strand.
More than 200 km inside the Arctic Circle, an automated camera at the STF Turiststation in Abisko, Sweden, photographed the same display. "This is the earliest we have seen auroras in at least 17 years," says Chad Blakley of Lights over Lapland. "Our automated camera has been in operation since 2005-2006. I checked the archives. Aug. 19, 2023, is the earliest display on record, edging out Aug. 20, 2013 by a single day.
The early start to aurora season highlights the increasing strength of Solar Cycle 25, now racing toward a Solar Max expected as early as next year. Earth's magnetosphere is buzzing with energy, and it only takes a single stream of solar wind to light up our planet's poles. Note to Arctic sky watchers: Be alert for green+blue in the weeks ahead as the Midnight Sun fades to black SpaceWeather.com​

● Current Conditions at 04:00 UTC on August 22

▪︎ Geospace quiet (kp 2)
▪︎ Solar wind speed record: 521 km/sec (Moderately high speed)
▪︎ density: 1.49 p/cm³ (low density)
▪︎ Interplanetary Magnetic Field (IMF)
Bt: 2.28 nT
▪︎ Neutron Counts today: - 3.6% (Low)
▪︎ X-ray Solar Flare: C5 at 00:00 UTC
▪︎ Sunspot number: 102 (SN 93 August 21)
▪︎ Spotless Days 2023 total: 0 days (0%)
▪︎ There are no significant equatorial coronal holes on the Earthside of the sun.
..
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Scientists have taken new pictures of the Sun in stunning detail

The sun was captured using a SQR camera and a telescope in 5K resolution, having received a video of the star from hundreds of photos. 😍

Video:
 
SOLAR CYCLE ACTIVITY REPORT AUGUST 23_2023

Solar activity has been at moderate levels for the past 24 hours.The largest solar event of the period was a M1.1 event observed at 23:04 UTC on August 22 from AR3405 (N10W34) it caused a Minor R1 radio blackout over Pacific Ocean
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A LARGE SUNSPOT IS EMERGING: NASA's Perseverance Mars rover saw it first. Last week, the rover's MASTCAM spotted a large sunspot crossing the farside of the sun. Now it is emerging over the sun's eastern limb where we can see it from Earth. The new sunspot seems to be connected to another sunspot across the sun's equator. Watch this:​
Recorded by NASA's Solar Dynamics Observatory, the movie shows two horn-like plumes of plasma leaping up from the new sunspot and, simultaneously,. sunspot AR3413. A bridge of magnetism linking the two active regions could coordinate their explosions as they turn toward Earth this week, doubling their impact on our planet. SpaceWeather.com​
There are currently 9 sunspot regions on the solar disk: AR3403, AR3404 AR3405, AR3407, AR3411, AR3412, AR3413, and new regions
AR3414, AR3415
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Total number of sunspots has decreased to 96 (19 of these are grouped into 9 active regions) NOAA forecasts for the next 24h: 99% chance for C flares, 15% chance for M flares and 1% chance for X flares. All regions have stable magnetic fields.

● Auroral Activity

The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. On August 22 Solar wind speed reached a peak of 557 km/s (Moderately high speed) at 23:11 UTC. Total IMF reached 5 nT at 09:23 UTC

Aurora Oval Bz: 0.7 nT North
aurora-map.jpg

● Current Conditions at 04:40 UTC on August 23

▪︎ Geospace quiet (kp 2)
▪︎ Solar wind speed record: 441 km/sec (Elevated high speed)
▪︎ density: 6.85 p/cm³ (low density)
▪︎ Interplanetary Magnetic Field (IMF)
Bt: 3.07 nT
▪︎ Neutron Counts today: - 3.4% (Low)
▪︎ X-ray Solar Flare: M1 at 23:04 UTC
▪︎ Sunspot number: 96 (SN 102 August 22)
▪︎ Spotless Days 2023 total: 0 days (0%)
▪︎ There are no significant equatorial coronal holes on the Earthside of the sun.
..
SpaceWeatherlive.com
SpaceWeather.com
 
Scientists have taken new pictures of the Sun in stunning detail

The sun was captured using a SQR camera and a telescope in 5K resolution, having received a video of the star from hundreds of photos. 😍

Video:

When I look at these new high-resolution gorgeous images of the Sun, I can't help but see an ovum (here with spermatozoa in blue):

reproduction-chaque-ovule-attire-les-spermatozoides-prefere.jpg
 
SOLAR CYCLE ACTIVITY REPORT AUGUST 24_2023

Solar activity has been at low levels for the past 24 hours.The largest solar event of the period was a C3.9 event observed at UTC on August 23 from AR3405 (N09W48)

There are currently 8 sunspot regions on the solar disk: AR3404 AR3405, AR3407, AR3411, AR3412, AR3413, AR3414, AR3415
hmi200.gif
AR3403 is gone

Total number of sunspots has increased to 99 (19 of these are grouped into 8 active regions) NOAA forecasts for the next 24h: 99% chance for C flares, 15% chance for M flares and 1% chance for X flares. All regions have stable magnetic fields.

● Auroral Activity

The geomagnetic field has been at quiet levels for the past 24 hours. On August 23 solar wind speed reached a peak of 495 km/s at 21:25 UTC Total IMF reached 6 nT at 20:31 UTC

Aurora Oval Bz: 1.9 nT North
aurora-map.jpg

● Current Conditions at 04:40 UTC on August 24

▪︎ Geospace quiet (kp 1)
▪︎ Solar wind speed record: 409 km/sec (Elevated high speed)
▪︎ density: 3 p/cm³ (low density)
▪︎ Interplanetary Magnetic Field (IMF)
Bt: 6.56 nT
▪︎ Neutron Counts today: - 3.1% (Low)
▪︎ X-ray Solar Flare: C1 at 23:47 UTC
▪︎ Sunspot number: 99 (SN 96 August 23)
▪︎ Spotless Days 2023 total: 0 days (0%)
▪︎ There are no significant equatorial coronal holes on the Earthside of the sun.
..
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SOLAR CYCLE ACTIVITY REPORT AUGUST 25_2023

Solar activity has been at low levels for the past 24 hours.The largest solar event of the period was a C4 event observed at 22:14 UTC on August 24 from AR3405 (N10W62)

Far side eruption

There are currently 6 sunspot regions on the solar disk: AR3404 AR3405, AR3411, AR3412, AR3413, AR3415
hmi200 (1).gif
AR3407 and AR3414 are gone.

Total number of sunspots has decreased to 86 (26 of these are grouped into 6 active regions) NOAA forecasts for the next 24h: 90% chance for C flares, 15% chance for M flares and 5% chance for X flares. All regions have stable magnetic fields.
GEOMAGNETIC STORM WATCH (G1): A magnetic filament erupted near the sun's southwestern limb on Aug. 23rd (movie). The debris might graze Earth's magnetic field on Aug. 27th, according to NOAA models. A glancing blow could spark G1-class geomagnetic storms with auroras around the Arctic Circle. SpaceWeather.com​

● Auroral Activity

The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. On August 24 solar wind speed reached a peak of 537 km/s (Moderately high speed) at 18:20 UTC Total IMF reached 9 nT at 16:01 UTC

Aurora Oval Bz: 1.01 nT North
aurora-map (1).jpg

● Current Conditions at 04:30 UTC on August 25​
▪︎ Geospace quiet (kp 2)
▪︎ Solar wind speed record: 452.2 km/sec (Elevated high speed)
▪︎ density: 3.11 p/cm³ (low density)
▪︎ Interplanetary Magnetic Field (IMF)
Bt: 1.76 nT
▪︎ Neutron Counts today: - 2.8 % (Low)
▪︎ X-ray Solar Flare: M1 at 01:09 UTC from AR3415 it caused a Minor R1 radio blackout over Pacific Ocean
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▪︎ Sunspot number: 86 (SN 99 August 24)
▪︎ Spotless Days 2023 total: 0 days (0%)
▪︎ There are no significant equatorial coronal holes on the Earthside of the sun.
..
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SOLAR CYCLE ACTIVITY REPORT AUGUST 26_2023

Solar activity has been at moderate levels for the past 24 hours.The largest solar event of the period was a M1 event observed at 01:09 UTC on August 25 from AR3415 (S09E35)
▪︎ X-ray Solar Flare: M1 at 01:09 UTC from AR3415 it caused a Minor R1 radio blackout over Pacific Ocean
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There are currently 6 sunspot regions on the solar disk: AR3405, AR3411, AR3412, AR3413, AR3415 and new region AR3416
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AR3404 is gone

Total number of sunspots has decreased to 77 (17 of these are grouped into 6 active regions) NOAA forecasts for the next 24h: 85% chance for C flares, 20% chance for M flares and 5% chance for X flares.

AR3415 has developed a beta-gamma magnetic field so NOAA has increased its estimate for M-class flares.

● Auroral Activity

The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. On August 24 solar wind speed reached a peak of 509 km/s (Moderately high speed) at 22:21 UTC Total IMF reached 6 nT at 21:29 UTC

GEOMAGNETIC STORM WATCH--CANCELED: Debris from an exploding magnetic filament on the sun (movie) will not hit Earth after all. Updated models suggest a clear miss on Aug. 27th. Yesterday's G1-class geomagnetic storm watch is therefore canceled. SpaceWeather.com

Aurora Oval Bz: -0.25 nT South
aurora-map.jpg

● Current Conditions at 04:15 UTC on August 26

▪︎ Geospace quiet (kp 2)
▪︎ Solar wind speed record: 378 km/sec (Normal speed)
▪︎ density: 1.63 p/cm³ (low density)
▪︎ Interplanetary Magnetic Field (IMF)
Bt: 7.78 nT
▪︎ Neutron Counts today: - 2.8 % (Low)
▪︎ X-ray Solar Flare: B6 at 23:35 UTC
▪︎ Sunspot number: 77 (SN 86 August 25)
▪︎ Spotless Days 2023 total: 0 days (0%)
▪︎ There are no significant equatorial coronal holes on the Earthside of the sun.
..
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SOLAR CYCLE ACTIVITY REPORT AUGUST 27_2023

Solar activity has been at moderate low levels for the past 24 hours.The largest solar event of the period was a C2 event observed at 10:06 UTC on August 26 from 3413 (N12E01) However, an M1 flare at 22:50 UTC was recorded in the farside of the sun.

M' IS FOR MYSTERY: Earth-orbiting satelites have just detected an M1-class solar flare (Aug. 26th @ 2250 UT). NASA's Solar Dynamics Observatory observed a spray of debris emerging the from the sun's western limb:​
The source of the flare is hidden behind the sun's western limb. In short, it's a mystery. Neither NASA's Perseverance Mars rover (which has a direct view of the area) nor helioseismic echoes of the sun's farside indicate a sunspot at that location. Soon we will find out. The sun's rotation will turn the blast site toward us in a few days. SpaceWeather.com​

There are currently 6 sunspot regions on the solar disk: AR3405, AR3411, AR3412, AR3413, AR3415, AR3416
hmi200.jpg
Total number of sunspots has decreased to 75 (15 of these are grouped into 6 active regions) NOAA forecasts for the next 24h: 90% chance for C flares, 20% chance for M flares and 5% chance for X flares.

AR3415 continues with a beta-gamma magnetic field so NOAA has increased its estimate for M-class flares.

● Auroral Activity

The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. On August 26 solar wind speed reached a peak of 493 km/s (Elevated speed) at 22:26 UTC Total IMF reached 7 nT at 03:12 UTC

Aurora Oval Bz: -3.42 nT South
aurora-map (1).jpg

● Current Conditions at 03:50 UTC on August 27

▪︎ Geospace active (kp 4)
▪︎ Solar wind speed record: 375 km/sec (Normal speed)
▪︎ density: 2.47 p/cm³ (low density)
▪︎ Interplanetary Magnetic Field (IMF)
Bt: 5.06 nT
▪︎ Neutron Counts today: - 2.3 % (Low)
▪︎ X-ray Solar Flare: M1 at 22:50 UTC
▪︎ Sunspot number: 75 (SN 77 August 26)
▪︎ Spotless Days 2023 total: 0 days (0%)
▪︎ There are no significant equatorial coronal holes on the Earthside of the sun.
..
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SOLAR CYCLE ACTIVITY REPORT AUGUST 28_2023

At the moment there is no information on solar activity and otherwise all the action is happening on the other side of the sun.

However, an M1 flare at 22:50 UTC was recorded in the farside of the sun.
No new regions waiting behind the East limb. So where did the M flare come from? Must have been big! Keith Strong vía X
A CME IS HEADING FOR MARS: The "mystery explosion" described below has hurled a CME toward Mars. A NASA model suggests it will hit the Red Planet on Sept. 1st. The impact will probably spark ultraviolet auroras on Mars and erode a small amount of the planet's atmosphere. SpaceWeather.com​
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UPDATE This was a long duration flare that had plenty of time to lift a CME out of the sun's atmosphere. Indeed, SOHO coronagraphs have detected a bright CME emerging from the blast site. It will not hit Earth.

There are currently 5 sunspot regions on the solar disk: AR3411,AR3412, AR3413, AR3415 AR3416
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AR3405 is gone

Total number of sunspots has decreased to 69 (15 of these are grouped into 5 active regions) NOAA forecasts for the next 24h: 90% chance for C flares, 20% chance for M flares and 5% chance for X flares.

AR3415 continues with a beta-gamma magnetic field.

● Auroral Activity

The geomagnetic field has been at quiet to active levels for the past 24 hours. On August 27 solar wind speed reached a peak of 482 km/s (Elevated speed) at 16:38 UTC Total IMF reached 8 nT at 21:16 UTC

Aurora Oval Bz: -4.48 nT South
aurora-map.jpg

● Current Conditions at 04:10 UTC on August 28

▪︎ Geospace quiet (kp 2)
▪︎ Solar wind speed record: 339 km/sec (Normal speed)
▪︎ density: 3.59 p/cm³ (low density)
▪︎ Interplanetary Magnetic Field (IMF)
Bt: 5.25 nT
▪︎ Neutron Counts today: - 3.1 % (Low)
▪︎ X-ray Solar Flare: B8 at 22:00 UTC
▪︎ Sunspot number: 69 (SN 75 August 27)
▪︎ Spotless Days 2023 total: 0 days (0%)
▪︎ There are no significant equatorial coronal holes on the Earthside of the sun.
..
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SOLAR CYCLE 25 ACTIVITY REPORT AUGUST 29_2023

VERY QUIET. Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C1 event observed at 16:50 UTC on August 28

There are currently 5 sunspot regions on the solar disk: AR3412, AR3413, AR3415 AR3416 and new region AR3417
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AR3411 is gone
WHAT IS HAPPENING TO SUNSPOT 3413? For the past few days, the magnetic polarity of sunspot AR3413 has been changing in an interesting way. It seems to be transforming itself into a reversed-polarity sunspot (for example). Such sunspots are more likely to flare than ordinary sunspots.
SpaceWeather.com​

Total number of sunspots has decreased to 68 (18 of these are grouped into 5 active regions) NOAA forecasts for the next 24h: 75% chance for C flares, 20% chance for M flares and 1% chance for X flares.

AR3415 (S09W09 size 250MH) has developed a beta-delta-class magnetic field that harbors energy for M-class flares. On the other hand AR3413 (N10W27 size 280MH) has developed a beta-gamma class magnetic field​

● Auroral Activity

The geomagnetic field has been at quiet to active levels for the past 24 hours. On August 28 solar wind speed reached a peak of 366 km/s (Normal speed) at 22:03 UTC Total IMF reached 7 nT at 18:13 UTC

Aurora Oval Bz: 6.38 nT North
aurora-map.jpg

● Current Conditions at 05:20 UTC on August 29

▪︎ Geospace quiet (kp 1)
▪︎ Solar wind speed record: 336 km/sec (Normal speed)
▪︎ density: 1.2 p/cm³ (low density)
▪︎ Interplanetary Magnetic Field (IMF)
Bt: 8 nT
▪︎ Neutron Counts today: - 2.8 % (Low)
▪︎ X-ray Solar Flare: C2 at 23:59 UTC
▪︎ Sunspot number: 68 (SN 69 August 28)
▪︎ Spotless Days 2023 total: 0 days (0%)
▪︎ There are no significant equatorial coronal holes on the Earthside of the sun.
..
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SpaceWeather.com
 
SOLAR CYCLE ACTIVITY REPORT AUGUST 30_2023

Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C3.9 event observed at 23:27 UTC from AR3417

There are currently 5 numbered sunspot regions on the disk. disk: AR3412, AR3413, AR3415, AR3416, AR3417
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Total number of sunspots has increased to 82 (32 of these are grouped into 5 active regions) NOAA forecasts for the next 24h: 75% chance for C flares, 15% chance for M flares and 1% chance for X flares.

AR3415 (S14W21 size 190MH) continues with beta-delta-class magnetic field that harbors energy for M-class flares. On the other hand AR3413 (N09W36 size 230MH) is decaying and has lost its gamma component.

● Auroral Activity

The geomagnetic field has been at quiet levels for the past 24 hours. On August 29 solar wind speed reached a peak of 409 km/s at 18:46 UTC. Total IMF reached 8 nT at 05:56 UTC

Aurora Oval Bz: 0.62 nT North
aurora-map (1).jpg

● Current Conditions at 03:40 UTC on August 30

▪︎ Geospace quiet (kp 2)
▪︎ Solar wind speed record: 362 km/sec (Normal speed)
▪︎ density: 1.42 p/cm³ (low density)
▪︎ Interplanetary Magnetic Field (IMF)
Bt: 5.17 nT
▪︎ Neutron Counts today: - 2.8 % (Low)
▪︎ X-ray Solar Flare: C3 at 23:27 UTC
▪︎ Sunspot number: 82 (SN 68 August 28)
▪︎ Spotless Days 2023 total: 0 days (0%)
▪︎ There are no significant equatorial coronal holes on the Earthside of the sun.
..
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SOLAR CYCLE ACTIVITY REPORT AUGUST 31_2023

Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C3 event observed at 23:28 UTC from AR3413

There are currently 6 numbered sunspot regions on the disk. disk: AR3412, AR3413, AR3415, AR3416, AR3417 and new region AR3418
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Total number of sunspots has increased to 94 (34 of these are grouped into 6vactive regions) NOAA forecasts for the next 24h: 60% chance for C flares, 10% chance for M flares and 1% chance for X flares.

AR3415 (S14W21 size 190MH) has lost its component delta. All regions have stable magnetic fields.

● Auroral Activity

The geomagnetic field has been at quiet levels for the past 24 hours. On August 29 solar wind speed reached a peak of 409 km/s at 18:46 UTC. Total IMF reached 8 nT at 05:56 UTC

Aurora Oval Bz: -1.95 nT South
aurora-map.jpg

● Current Conditions at 04:40 UTC on August 31

▪︎ Geospace quiet (kp 1)
▪︎ Solar wind speed record: 327 km/sec (Normal speed)
▪︎ density: 4.33 p/cm³ (low density)
▪︎ Interplanetary Magnetic Field (IMF)
Bt: 4.72 nT
▪︎ Neutron Counts today: - 3.0 % (Low)
▪︎ X-ray Solar Flare: C2 at 23:28 UTC
▪︎ Sunspot number: 94 (SN 82 August 30)
▪︎ Spotless Days 2023 total: 0 days (0%)
▪︎ There are no significant equatorial coronal holes on the Earthside of the sun.
..
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SOLAR CYCLE ACTIVITY REPORT SEPTEMBER 01_2023

Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C2.4 event observed at 06:13 UTC from AR3413

There are currently 5 numbered sunspot regions on the disk. disk: AR3413, AR3415, AR3416, AR3417, AR3418
hmi200.gif
AR3412 is gone

Total number of sunspots has decreased to 77 (27 of these are grouped into 5 active regions) NOAA forecasts for the next 24h: 65% chance for C flares, 20% chance for M flares and 5% chance for X flares.All regions have stable magnetic fields.

● Auroral Activity

The geomagnetic field has been at quiet levels for the past 24 hours. On August 31 solar wind speed reached a peak of 434 km/s at 20:42 UTC. Total IMF reached 12 nT at 16:58 UTC

On September 1st Minor S1 Solar Radiation Storm

Aurora Oval Bz: -5.19 nT South
aurora-map.jpg

● Current Conditions at 04:40 UTC on September 01

▪︎ Geospace unsettled (kp 3)
▪︎ Solar wind speed record: 397 km/sec (Normal speed)
▪︎ density: 2.44 p/cm³ (low density)
▪︎ Interplanetary Magnetic Field (IMF)
Bt: 8.94 nT
▪︎ Neutron Counts today: - 3.4 % (Low)
▪︎ X-ray Solar Flare: M1.2 at 03:52 UTC.from AR3413 it caused a Minor R1 radio blackout over Southeast Asia
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LONG-DURATION SOLAR FLARE: Sept. 1st began with a solar flare (movie). Peaking at 0100 UT, the M1-class explosion from sunspot AR3413 lasted for hours--long enough to lift a CME out of the sun's atmosphere. Fresh data from SOHO coronagraphs will tell us if there is an Earth-directed component. Meanwhile another CME is already en route. SpaceWeather.com​
▪︎ Sunspot number: 77 (SN 94 August 31)
▪︎ Spotless Days 2023 total: 0 days (0%)
▪︎ There are no significant equatorial coronal holes on the Earthside of the sun.
..
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