Free High-Resolution Satellite Imagery Viewer
With Off-Nadir Delta, you can view and analyze Sentinel-2 optical imagery directly in your browser. 10-meter resolution for vegetation analysis, land cover mapping, and environmental monitoring.
TL;DR: Sentinel-2 is an ESA optical satellite with 13 spectral bands at up to 10m resolution. 5-day revisit, 290km swath. Supports true color, false color, NDVI, and custom band combinations. Free to view in Off-Nadir Delta via AWS Earth Search.
10m Resolution
High-resolution imagery allows you to see individual fields, buildings, and landscape features.
13 Spectral Bands
Beyond visible light: near-infrared, red edge, and SWIR bands for advanced analysis.
Vegetation Analysis
Calculate NDVI and other vegetation indices to assess plant health and biomass.
Technical Specifications
Band Resolution by Type
10m Bands
B2 (Blue), B3 (Green), B4 (Red), B8 (NIR) — Best for visual analysis and NDVI
20m Bands
B5-B7 (Red Edge), B8A (Narrow NIR), B11-B12 (SWIR) — Vegetation and moisture
60m Bands
B1 (Coastal), B9 (Water Vapor), B10 (Cirrus) — Atmospheric correction
What You Can Do with Sentinel-2 in Off-Nadir Delta
Agriculture Monitoring
Track crop health, irrigation status, and harvest readiness
Land Cover Mapping
Classify forests, water, urban areas, and bare ground
Urban Development
Monitor construction, urban sprawl, and infrastructure
Environmental Monitoring
Track deforestation, coastal erosion, and climate impacts
Data Sources & Attribution
Sentinel-2 Data
European Space Agency (ESA) Copernicus Programme
Accessed via AWS Earth Search STAC API (Element 84)
Citation
"Contains modified Copernicus Sentinel data [YEAR]"
License: Copernicus Open Access (free for all uses with attribution)
How It Works
Navigate to Your Area
Pan and zoom to your area of interest anywhere in the world.
Search for Sentinel-2 Data
Select date range and cloud cover threshold to find clear imagery.
Choose Visualization
Select from true color, false color, NDVI, or custom band combinations.
Analyze & Compare
Add multiple dates to compare changes over time.
Frequently Asked Questions
What is Sentinel-2?▼
What resolution is available?▼
How often is new data available?▼
What about cloud cover?▼
What band combinations are available?▼
What is the difference between L1C and L2A?▼
Related Resources
NDVI Calculator
Free vegetation health mapping
Learn moreSentinel-1 SAR
C-band radar for any weather
Learn moreSatellite Area Monitoring
Monitor any area over time, no code
Learn moreChange Detection
Compare before & after
Learn moreGlossary
NDVI, SAR, band terminology
Learn moreSentinel-2 Band Combinations
RGB compositions for every use case
Learn moreComplete Sentinel-2 Guide
All you need to know about Sentinel-2
Learn moreStart Viewing Sentinel-2 Imagery
Access optical satellite data with a free account. No GIS software required.