August 17, 2016. An error was discovered in the photometric normalization section of the MASCS calibration pipeline. All photometrically corrected MASCS data in VIRS DDRs and VIRS DAPs through PDS Release 15 are a factor of 2 too high in value. This error will be corrected in Delivery 16. See MASCS_PHOTOMETRIC_ERROR.PDF in the DOCUMENT directory for information about the error and how to correct it manually.

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