Entries by Daniel Nicholls

Pretty Parallax Planes

While scanning the European Space Agency’s (ESA) Sentinel-2 satellite images for signs of the Sanchi oil slick, I came across an unusual sight of what appeared to be three, brightly-colored aircraft flying in tight formation. I’m not enough of a GIS rookie to be fooled into thinking China’s latest stealth jets were malfunctioning, what I […]

The Search for Sanchi

On January 6th, a tanker named the Sanchi collided with a cargo ship called the CF Crystal in the East China Sea causing a fire which killed nearly all of the crew and eventually sank the Sanchi. While the CF Crystal (which survived the collision) was only carrying grain, the Sanchi was carrying natural-gas condensate. […]

What We Can See, In Heat Maps

Here at SkyTruth, we depend on our friends at the European Space Agency (ESA), NASA and the U.S. Geological Survey (USGS) for their support in providing access to data and images from their fleets of government-operated satellites. The Sentinel missions are pairs of satellites that are part of the Copernicus program at ESA. Sentinel 1 […]