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Early Signs the Sun is Changing | Space Weather Weekend 21 November 2025
Space Weather
Dr Tamitha Skov has an update on how the sun is changing now that we're headed down the slippery slope towards solar minimum.
https://www.youtube.com/watch?v=FOLDm_N6ft8
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#g7izu
22.11.2025 17:24 — 👍 0 🔁 0 💬 0 📌 0
Lights Over Lapland webcam
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Kiruna magnetometer
Space Weather
High-latitude aurora: A minor geomagnetic substorm is in progress.
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21.11.2025 17:36 — 👍 1 🔁 0 💬 0 📌 0
Kiruna (Sweden) magnetometer and Keogram (sky image)
Space Weather Dashboard
Lapland https://lightsoverlapland.com/aurora-webcam/
Potsdam Hp30 Index
Space Weather
A geomagnetic substorm is in progress which is giving aurora at some high latitudes, including as far south as Scotland.
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#g7izu
20.11.2025 23:48 — 👍 2 🔁 0 💬 0 📌 0
"The following announcement started airing on RNE on Nov. 14. The voice of Pepa Fernández, the director of its weekend morning program, “No es un día cualquiera,” was heard on the MW RNE network, according to a recording provided by Jorge Garzón on the Medium Wave Info blog."
19.11.2025 15:54 — 👍 0 🔁 0 💬 1 📌 0
Space Weather: Rewind
A look back at the very active AR4274 which was keeping us entertained for the last two weeks. This is the X1.7 flare on 09 Nov. A huge plasma transfer is seen across a vast distance.
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Video: https://universeodon.com/@g7izu/115575587921884731
19.11.2025 09:12 — 👍 0 🔁 0 💬 0 📌 0
Apart from some minor sub-storms at high-latitudes, the geomagnetic situation also seems very quiet now.
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18.11.2025 20:42 — 👍 0 🔁 0 💬 0 📌 0
X-ray flux colourgram for the last six days
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Potsdam Hp30 index
Space Weather
During the last 24 hours the X-ray flux has dropped below the C-floor and it looks like we're in for a quiet period. Of the four sunspot regions on the Earth-facing disc, none are harbouring the ability to produce big flares.
18.11.2025 20:42 — 👍 0 🔁 0 💬 1 📌 0
Space Weather
AR4274 as been very active during the last 12 hours as it went around the limb.
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Video: https://universeodon.com/@g7izu/115561072687097514
16.11.2025 19:42 — 👍 0 🔁 0 💬 0 📌 0
s could have been quite dramatic!
AR4274 wasn't finished, either! This morning, right on the west limb, it fired a minor M3.1 parting shot at 08h16 UT 16 Nov.
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16.11.2025 10:54 — 👍 0 🔁 0 💬 0 📌 0
Kiruna magnetometer
Space Weather Dashboard
Space Weather
Last night Earth was hit by a minor geomagnetic storm which was actually the edge of the X4 flare on 14 Nov from AR4247. Had the CME been square on to Earth, we might have been facing another G4-G5 storm, and with Earth's magnetic field still weakened by the previous storm, the effect
16.11.2025 10:54 — 👍 1 🔁 0 💬 1 📌 0
Kiruna magnetometer
Space Weather dashboard
Space Weather
A moderate geomagnetic sub-storm is in progress at Kiruna, Sweden.
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15.11.2025 21:06 — 👍 3 🔁 0 💬 0 📌 0
GOES-19 SUVI filter AIA304
Close-up of a long prominence originating from AR4274
Space Weather
A very impressive prominence can be seen coming from AR4274.
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15.11.2025 18:12 — 👍 1 🔁 0 💬 0 📌 0
Meanwhile a coronal hole will be sending a fast solar wind which will increase geomagnetic activity on Sunday 16 Nov. The NASA/ENLIL solar wind model also shows the CME from yesterday's X4 heading to the west and not affecting Earth at all.
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#g7izu
15.11.2025 15:24 — 👍 0 🔁 0 💬 0 📌 0
GONG Solar acoustic (holographic) imagery
Geometry for the holographic imaging of far-side solar
features
NASA/ENLIL Solar Wind Model
Space Weather
GONG far-side solar imagery (also known as magic!) shows a strengthening active region (marked "P100") coming around the east limb in a few days.
Keeping fingers crossed it will provide some fireworks!
15.11.2025 15:24 — 👍 1 🔁 0 💬 1 📌 0
Far-side GONG acoustic images of the sun show a few possibly active regions waiting to come into view, but nothing else is looking as active as AR4274 was. Will it last another two weeks and come around to hit us again? Wait and see...
https://farside.nso.edu/
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14.11.2025 23:12 — 👍 0 🔁 0 💬 0 📌 0
Description from NSO/GONG:
The calibrated images show the line-of-sight magnetic field strength associated with the seismic signal in the original far-side maps. They are calibrated using the relationship found by Gonzalez Hernandez, I.; Hill, F.; Lindsey, C., 2007 ( Calibration of Seismic Signatures of Active Regions on the Far Side of the Sun, ApJ, 669, 1382).
The images are an average of two daily maps calculated using 24-hour series of Dopplergrams. The averaging reduces the noise in the maps and allow to automatically highlight active region candidates. Only candidates with a probability of 70% or higher to appear in the front side are highlighted in red. (Please, note that sometimes, due to low dutycycle, false candidates will appear, these will not be highlighted as candidates)
Xray Flux Colourgram
Space Weather
The active region that's brought us four X-flares in 6 days is sending some parting M-flares as it approaches the west limb. We've had two M1.3 flares since 20h UT this evening.
14.11.2025 23:12 — 👍 1 🔁 0 💬 1 📌 0
Proton flux levels have increased, bringing back a minor S1 solar radiation storm.
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14.11.2025 11:00 — 👍 0 🔁 0 💬 0 📌 0
An X4 flare is in the "strong R3" category.
A large CME can be seen in SOHO/Lasco C2 imagery lifting off to the west. A type II radio emission was also observed at the time of the flare. This CME is unlikely to cause geomagnetic storms on Earth.
14.11.2025 11:00 — 👍 0 🔁 0 💬 1 📌 0
NASA/SOHO Lasco C2
Space Weather Dashboard
Solar Proton Flux graph
Space Weather
Update on X4.0 flare at 08h30UT 14 Nov.
14.11.2025 10:59 — 👍 0 🔁 0 💬 1 📌 0
Space Weather Dashboard
NASA/SDO filter AIA131
DRAP map showing region affected by X4.0 flare
Space Weather
Solar Flare Alert: A strong X4.0 flare from AR4274 peaked at 08h30 UT 14 Nov. An R3 radio blackout affected south-eastern Africa, Madagascar and Indian Ocean regions.
AR4274 is near the west limb so any CME would not be earth-directed.
Stay tuned for updates.
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#g7izu
14.11.2025 09:17 — 👍 0 🔁 0 💬 1 📌 0
The are no big flare players on the solar disc once AR4274 rotates around the limb, so you can have a chance to recharge the camera batteries.
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#g7izu
13.11.2025 23:23 — 👍 0 🔁 0 💬 0 📌 0
Potsdam Hp30 index
Solar XRay Flux Colourgram - last six days
NOAA SWPC Alert and warning dashboard
G7IZU Space Weather Dashboard
Space Weather
Geomagnetic conditions appear to have fully calmed down now. The solar radiation storm has also ended.
13.11.2025 23:23 — 👍 1 🔁 0 💬 1 📌 0
Aurora (as reported by amateur radio operators) this morning reached as far south as ~54°N. It reached down to ~38°N over N America.
Geomagnetic conditions are still active but are calming down.
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#g7izu
13.11.2025 09:53 — 👍 0 🔁 0 💬 0 📌 0
Map of amateur radio contacts via auroral mode over Europe 2025-11-12 20h UT to 2025-11-13 10h UT
Map of amateur radio contacts via auroral mode over Northern Hemisphere 2025-11-12 20h UT to 2025-11-13 10h UT
Kiruna magnetometer plots
Space Weather
The CME from the X5.1 flare on the 11th arrived last night just after 20h UT. It had a strong northward Bz (magnetic) component. This initially cancelled out the Earth's magnetic field, so the CME impact and following couple of hours were pretty dull until the Bz finally swung south j
13.11.2025 09:53 — 👍 0 🔁 0 💬 1 📌 0
Welcome!
Just a quick note to say that the solar storms over the last couple of days have brought me a lot of new followers on Mastodon, so just a note to them to say "welcome to the feed", and I hope you enjoy it!
13.11.2025 09:05 — 👍 0 🔁 0 💬 1 📌 0
Space Weather Dashboard
Kiruna magnetometer
Space Weather
The solar radiation storm has now reduced to S1 (Minor) level at 23h20 UT.
Geomagnetic storm conditions are continuing with so far a few effects at high-latitudes (minor-moderate substorms at Kiruna).
12.11.2025 23:35 — 👍 1 🔁 0 💬 2 📌 0
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