Calibration Coeff to Files

[felixlapalma]

Consider to migrate current hard-coded coeff on code. To dedicated json? file.

eo-forge/eo_forge/utils/landsat.py

Lines 139 to 156 in 0ca8ae1

	if chkur_or_neckel:
	esun = {
	"B1": 1957,
	"B2": 1826,
	"B3": 1554,
	"B4": 1036,
	"B5": 215.0,
	"B7": 80.67,
	}
	else:
	esun = {
	"B1": 1957,
	"B2": 1829,
	"B3": 1557,
	"B4": 1047,
	"B5": 219.3,
	"B7": 74.52,
	}