dbionescu.bsky.social
@dbionescu.bsky.social
Reposted
📣Unsettled to active conditions in the past last hours❗

Causes
➖arrival of a high-speed stream from negative polarity coronal holes
➖a possible ICME arrival associated with CME ~02:00 UTC on Jan 6

swe.ssa.esa.int/dtu-aware-fe...
swe.ssa.esa.int/web/guest/si...
swe.ssa.esa.int/gfz-kp-feder...
January 9, 2026 at 2:30 PM
🔊SolarNews - The Newsletter of the Solar Physics Division American Astronomical Society announced that
🌞heliophysics🌞
has been officially🎉 added🎉 to the Merriam-Webster Dictionary, with the 12th edition hard copy released Nov 18th and online at www.merriam-webster.com/dictionary/h...
Definition of HELIOPHYSICS
a branch of astrophysics that deals primarily with the behavior of the sun and its effects on other celestial bodies in the solar system… See the full definition
www.merriam-webster.com
December 24, 2025 at 2:43 PM
Reposted
Spectacular quite failed eruption with M flare from AR 4299/SIDC 687/OACT 24 starting at 00:09 UTC (north) &
X1.1 flare and ejecta/CME from AR 4298/SIDC 713/OACT 17 at around 05:12 UTC (south)
from SDO/AIA Solar EUV images 👇

🌐 swe.ssa.esa.int/web/guest/si...
December 8, 2025 at 5:17 PM
Reposted
🌞🛰️Sun-watcher SOHO turns 30! 🎂
@esa.int @science.esa.int
December 3, 2025 at 2:21 PM
Reposted
🔊You're giving a comeback with a with a 💥X1.9-class flare and a ejection!

⚠️GOES X-ray flare alert swe.ssa.esa.int/web/guest/si...

🎥SDO/AIA Latest Solar EUV images
🌐 swe.ssa.esa.int/web/guest/si...
SDO/AIA 131A👇
December 1, 2025 at 2:05 PM
Reposted
🚨New 💥flare💥

A new X5.1-class solar flare has been detected today, 2025/11/11, with peak time at 10:04UT!

Look for the last 6 seconds of the animated Solar EUV images in the 94Å line from 🛰️SDO/AIA👇
🌐 swe.ssa.esa.int/web/guest/si...
November 11, 2025 at 11:21 AM
Reposted
🚨✨2 X-class solar flare✨🚨

The @esa.int #SWE Service Network issued an alert via @orb-ksb.bsky.social for 2 solar flares AR14274
✨X1.8 peaking on 2025/11/04, 17:34UT
✨X1.1 peaking on 2025/11/04, 22:01UT

EUV detections
swe.ssa.esa.int/web/guest/si...

Flare forecast
swe.ssa.esa.int/web/guest/ia...
November 5, 2025 at 9:17 AM
Reposted
Meantime #auroras are visible at dawn 🌄!
October 2, 2025 at 3:21 PM
Reposted
☀️Our data products using SOHO observations from LASCO👇
swe.ssa.esa.int/web/guest/si...
swe.ssa.esa.int/web/guest/si...

🧐Did you know that the CMEs observed by LASCO are modelled for propagation and arrival to Earth and other planets?
swe.ssa.esa.int/ral-euhforia...
swe.ssa.esa.int/metoffice-en...
Live views of the Sun at your fingertip! 🌞

From 1.5 million km away from Earth, #SOHO constantly watches the Sun, returning spectacular pictures and data to eagerly awaiting scientists.

Curious to see what SOHO observes? Head over here 👉 www.esa.int/Science_Expl... ☄️ 🔭 🧪
Live view of the Sun from SOHO
From 1.5 million kilometres away from Earth, the Solar and Heliospheric Observatory (SOHO) constantly watches the Sun, returning spectacular pictures and data of the storms that rage across its surfac...
www.esa.int
September 9, 2025 at 12:20 PM
Reposted
🎆The auroras made their show in Northern Europe,
⚡after a very impressive shock arrived on 1 Sept around 20:25 UTC resulting in Kp 6 (moderate geomagnetic storm 🧲)

See the shock detection at DTU AWARE 👀
🌐 swe.ssa.esa.int/dtu-aware-fe...
September 2, 2025 at 11:29 AM
Reposted
A high-speed solar wind stream (HSS) arrived today. Over the next 24h, geomagnetic conditions may reach active levels. 🌍✨

📝SIDC daily bulletin:
swe.ssa.esa.int/web/guest/si...
🍥Empirical SW forecast:
swe.ssa.esa.int/graz-eswf-fe...
📊Planetary indices Hp60 / Hp30
swe.ssa.esa.int/gfz-hpo-fede...
August 19, 2025 at 3:19 PM
Reposted
🚨NEW RELEASE🚨

The ESA #SpaceWeather Portal version 3.13.0 was released on 3 July 2025 with 🆕 and updated products and tools 🧑‍🔧

We will take you through the✨highlights in the following weeks, in the meantime take a look for yourself!👇
🌐https://swe.ssa.esa.int

#SpaceSafety
July 9, 2025 at 1:29 PM
Reposted
SIDC Solarmap @orb-ksb.bsky.social showing☀️features
🧿sunspots
💥flares
🌟CMEs
🕳️Coronal holes
🪢Filaments

Today's focus: several 𝐟𝐢𝐥𝐚𝐦𝐞𝐧𝐭𝐬 (UNIGRAZ Hα background) close to the ☀️ disk center (+) with a length of ~25° (A bit smaller than the average 🌍-🌗 distance).
⚠️ very long filaments close to ☀️ N&S🔻!
June 26, 2025 at 1:28 PM
Reposted
🌍 An interesting video from @britgeosurvey.bsky.social discussing the original 1859 Carrington Event magnetogram!

🧲Nearly 200 years on, BGS, part of ESA's #SpaceWeather Service Network help monitor and forecast geomagnetic activity in real-time📈

Access here: swe.ssa.esa.int/web/guest/BG...
The most powerful geomagnetic storm on record, captured on a piece of paper 📜

We hold the magnetogram from the 1859 Carrington Event in our collections. Geophysicist Ciaran Beggan explains how these records help us understand extreme space weather.

Watch: youtu.be/eVKz5Vq3yT0
The Most Powerful Geomagnetic Storm on Record
YouTube video by British Geological Survey
youtu.be
June 19, 2025 at 11:48 AM
Reposted
Breaking space news: We have made our own solar eclipse in space! 🌘

Today, we release the first images from our Proba-3 mission, which flies two spacecraft in precise formation to create artificial solar eclipses in orbit.

Learn more ➡️ www.esa.int/Enabling_Sup...
June 16, 2025 at 2:30 PM
🎉 #50YearsOfESA: for half a century, we've been serving Europe as its space agency and inspiring its citizens. Join us this anniversary year to reflect not only on our past achievements, but also on our future perspectives!
May 30, 2025 at 8:33 AM
May 30, 2025 at 8:32 AM
Reposted
Participation call 📢ESA Acceleration Days
First edition will address
🌱Space for the green urban transition towards more sustainable cities
📡Space for crisis preparedness towards a more resilient Europe
☀️𝐒𝐩𝐚𝐜𝐞𝐰𝐞𝐚𝐭𝐡𝐞𝐫 solutions for resilient spacecraft operations
See 👉 www.linkedin.com/posts/europe...
📢 Call for participation!   We’re launching ESA Acceleration Days, which… | European Space Agency - ESA
📢 Call for participation!   We’re launching ESA Acceleration Days, which will demonstrate the power of rapid and open innovation to help tackle Europe’s most pressing challenges.    In the first edi...
www.linkedin.com
May 5, 2025 at 1:30 PM
Reposted
The disappearance of Gaia!

On 4 March, astronomer Zhuo-Xiao Wang captured this view of the sudden disappearance of ESA’s Gaia spacecraft.

Credit: Zhuo-Xiao Wang, CC BY-SA 3.0 IGO
Observations performed on 4 March 2025 using an 11-inch telescope from Beijing, China (MPC site code: P13).
March 18, 2025 at 8:23 AM