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Sentinel Online @sentinelonline.bsky.social · 16h

#ESA and #CIMR #L2PAD team met at ICM-CSIC, Barcelona, to discuss Level-2 algorithms for the Copernicus Imaging Microwave Radiometer mission
Launching in 2029, CIMR will deliver hi-res data on polar sea ice, oceans and land
Led by MET Norway with @esa.int support. 
🔗https://github.com/CIMR-L2PAD

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Sentinel Online @sentinelonline.bsky.social · 1d

Release of the #Sentinel-2 L1C #Radiometric Uncertainty Tool (S2-L1C-RUT), helping to generate pixel-level maps of expected radiometric uncertainty for any Sentinel-2 spectral band.
🔗https://sentinels.copernicus.eu/web/sentinel/-/release-of-the-sentinel-2-l1c-radiometric-uncertainty-tool-s2-l1c-rut-

Sentinel Online @sentinelonline.bsky.social · 2d

Celebrating #WorldSpaceWeek2025!
2025’s theme “ #LivinginSpace ” reminds us: understanding Earth from orbit is key to our future beyond it.
#CopernicusEU #Sentinel missions show how space helps us live sustainably on Earth — and inspires life beyond it.
#SentinelOnline #EarthObservation #Space #ESA

Sentinel Online @sentinelonline.bsky.social · 2d

Copernicus Sentinel-3B Unavailability Notice for Lunar Calibration #34 planned on 07 October 2025

Check the full list of affected products and times:
🔗https://sentinels.copernicus.eu/web/sentinel/-/copernicus-sentinel-3b-unavailability-notice-for-lunar-calibration-34-planned-on-07-october-2025

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Sentinel Online @sentinelonline.bsky.social · 5d

🌍 The final day of #BiDS25! A big thank you to everyone who connected with us. Sentinel Online gathered many insights and stories, which we’ll be sharing here soon. Stay tuned!
#SentinelOnline #BigDataFromSpace #EarthObservation #ESA

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Sentinel Online @sentinelonline.bsky.social · 6d

🎙️ Voices of Sentinel @ #BiDS2025
We spoke with Anne Fouilloux, founder of #VitenHub AS, after her session on "Open Science for AI-ready Earth data". She shared key takeaways and how her team uses Sentinel data to enable open, collaborative EO.
#VoicesOfSentinel #EarthObservation

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Sentinel Online @sentinelonline.bsky.social · 8d

🛰 At #BigDatafromSpace2025 (BiDS’25), the EOPF Tutorial: Getting Started with Zarr showed how cloud-native tools like #Zarr & #STAC make #EarthObservation data more scalable & accessible.

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Sentinel Online @sentinelonline.bsky.social · 8d

#SentinelOnline is at #BigDatafromSpace2025! We are excited to join the global EO community to share, connect and highlight how Sentinel data supports innovation, research and real-world solutions.
🔗 www.bigdatafromspace2025.org

Scenes from the Big Data from Space 2025 conference, where scientists, industry leaders, and policymakers come together to discuss how Earth Observation data and space technologies can drive innovation. The images show participants networking, exhibition stands on display, and conference booths highlighting the role of satellite data in tackling global challenges.

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Sentinel Online @sentinelonline.bsky.social · 9d

Due to a Copernicus Sentinel-3A SLSTR Black Body Crossover, SLSTR products degradation is expected for sensing time from 29 September 2025 08:24:30 to 01 October 2025 08:10:00 UTC.
sentinels.copernicus.eu/web/sentinel...

Copernicus Sentinel-3A Unavailability Notice for SLSTR Black Body Crossover #28 planned on 29 September 2025 - Sentinel Online

sentinels.copernicus.eu

Sentinel Online @sentinelonline.bsky.social · 14d

🛰️ June’s soil water maps show striking dryness across the UK & Ireland. With satellite data, we can anticipate risks and respond before they spiral.
🔗https://dataspace.copernicus.eu/gallery/2025-6-8-soil-water-index-map-united-kingdom-and-ireland
#SentinelOnline #EarthObservation #Sentinel1 #ASCAT

Sentinel Online @sentinelonline.bsky.social · 19d

🌍 We’re delighted to announce the launch of the official Sentinel Online Instagram account: @SentinelOnline 🚀
Follow us for mission milestones, technical updates, EO data applications, visual explainers and real-world impact from the Sentinel missions.
🔗https://www.instagram.com/sentinelonline/

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Sentinel Online @sentinelonline.bsky.social · 20d

Geo-Quest by IIASA enables accurate ground data collection to calibrate #Sentinel satellite data, boosting #EarthObservation accuracy and supporting #AI-driven analysis.
🔗https://sentinels.copernicus.eu/web/success-stories/-/sentinel-data-meets-geo-quest-innovation
#Sentinel2 #SentinelOnline

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Sentinel Online @sentinelonline.bsky.social · 28d

🌍 Voices of Sentinel at #LPS2025
Aravind Ravichandran, founder of #TerraWatchSpace, shares his reflections on a standout theme at this year’s symposium: the growing role of Sentinel data in powering #FoundationModels.
#VoicesOfSentinel #EarthObservation #Copernicus #SentinelData #GeospatialAI

Sentinel Online @sentinelonline.bsky.social · 29d

Brazil safeguards vast mangrove coasts (~14,000 km²). Sentinel-1 radar delivers monthly mosaics that cut through clouds, track structure, and reveal seasonal shifts.
🔗 dataspace.copernicus.eu/gallery/2025...

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Sentinel Online @sentinelonline.bsky.social · Sep 5

Today is #AmazonRainforestDay
We celebrate the success of Sentinel-1 for Science Amazonas project, using #Sentinel1 radar data to monitor the Amazon in any weather, 24/7
🔗https://sentinels.copernicus.eu/web/success-stories/-/amazonas-rainforest-day-sustaining-earth-s-vital-ecosystem
#SentinelOnline

Sentinel Online @sentinelonline.bsky.social · Sep 4

#ESAΦ-lab processes raw satellite data directly onboard — skipping ground-based delays – to detect #wildfires in near real time using energy-efficient VPUs. Faster alerts, faster action.
sentinels.copernicus.eu/web/success-...

#SentinelOnline #EarthObservation #Sentinel2 #AI #EmergencyResponse

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Sentinel Online @sentinelonline.bsky.social · Sep 4

We’ve just reached 1000 followers on LinkedIn 🎉
Thank you for your support!
If you’re not following us there yet, join us on LinkedIn to stay up to date with the latest Sentinel missions and updates:
www.linkedin.com/company/sent...
#SentinelOnline #Space #EarthObservation

Reposted by Sentinel Online

European Space Agency @esa.int · Sep 2

🧭📡 Today, we celebrate 30 years of European satellite navigation.

From the early days of EGNOS to the global reach of Galileo, we take this moment to:

✨ Reminisce about the beginnings
🚀 Relive incredible milestones
👏 Acknowledge every contributor
🌍 Meet the faces shaping the future

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Sentinel Online @sentinelonline.bsky.social · Aug 29

🌹 Your roses may have started life thousands of km away — in Kenya, near Lake Naivasha.
From above the Earth, #Sentinel2 reveals vast stretches of plastic greenhouses driving the global flower trade 🌍🛰️
#CopernicusEU #SentinelOnline #EarthObservation

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Sentinel Online @sentinelonline.bsky.social · Aug 28

Inspiring the next generation of #EarthObservation at #EnduroSat #SpaceChallengesProgram.
Students explored real-world #ClimateAction using @esa.int #CopernicusEU #Sentinel satellite data via #SentiVista
🔗 sentinels.copernicus.eu/web/success-...

Group of international students participating in the Space Challenges Programme in Sofia, Bulgaria. They are working in teams with laptops and data visualization tools, learning how to use Copernicus Sentinel satellite data on SentiVista. The workshop activities include analyzing deforestation, wildfire risk, urban air pollution, and methane emissions, connecting Earth observation to sustainability and climate action.

Sentinel Online @sentinelonline.bsky.social · Aug 27

Thank you for sharing this update, such observations are essential to support emergency response and awareness, as well is to monitor the growing impacts of extreme weather conditions

Sentinel Online @sentinelonline.bsky.social · Aug 27

Thank you for sharing this important observation!

Sentinel Online @sentinelonline.bsky.social · Aug 27

Thank you for highlighting this observation — an excellent example of how #Sentinel1 SAR can reveal ocean surface patterns!

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Sentinel Online @sentinelonline.bsky.social · Aug 27

Mind-blowing reminder of Earth’s power 🌎✨.

Sentinel Online @sentinelonline.bsky.social · Aug 20

Faster. Precise. Independent. The enhanced #Sentinel5P methane processor runs without external cloud data, using AI-driven cloud detection from its own satellite measurements for near-real-time #MethaneMonitoring and #EarthObservation.

🔗 sentinels.copernicus.eu/web/success-...

#SentinelOnline