Determination of Volcanic Plume Three-Dimensional Structure Using CHRIS/PROBA-1 Multiangular Imagery: Case Study of Mount Etna

Table 1

Image and terrain coordinates of GCPs for the 55° scene.

Point number	-image	-image	Longitude (°)	Latitude (°)
	200.5	224.5	15.024593	37.756615
	240.5	218.5	15.038412	37.75333
	212.5	154.5	15.039819	37.771614
	294.5	270.5	15.089861	37.713634
	45.0	254.5	14.919533	37.75655
	76.5	342.5	14.934227	37.725693