This CODMAC level 3 data set contains radiometric calibrated image data in W/m^2/sr/nm, acquired by the OSIRIS Narrow Angle Camera on the Rosetta spacecraft during the ROSETTA EXTENSION 3 mission phase, covering the period from 2016-09-26T06:40:00.000 to 2016-10-01T00:00:00.000. The prime target is comet 67P/Churyumov-Gerasimenko 1 (1969 R1). This version V3.0 supersedes previous deliveries of the same dataset with the following changes since the last version: Lien corrected dataset after the July and October 2018 PSA/PDS external peer reviews. Updated documentation and ancillary files, added document on bandpass filter. Updated SCIENCE_USER_GUIDE_V03.PDF to include one section about FAQ and one section about image data quality. Added shutter backtravel and readout issues to image quality map. Updated DATA_QUALITY_ID keyword in image header. Improved handling of images with missing packets.