Finding Jim Gray: Another example of multispectral imagery of interest

In a previous entry, I mentionned the fact that multispectral sensors from Landsat 7 could be used to spot boats of the size of Tenacious because of the high contrast between the boat and the ocean waters. Sorin Popescu showed me some imagery from Landsat 7 confirming the finding from Lawrence Ong. Here is a telling image of the Galveston bay.



Unfortunately, I just re-did a search on the Landsat database (EarthExplorer of the USGS) and the cloud situation is as bad as what Envisat shows except for Feb 12.