7 June 2012: Release of software version SC-AAI 5.1. Most important features: based on SCIAMACHY level-1 data version 7.04-W variation of the ozone field is accounted for, now that the algorithm has access to TOSOMI total ozone columns improved full scan-mirror dependent correction for instrument degradation for all measurement modes correction for the obstruction in the FOV for westernmost pixels that was present until the end of March 2003 sphericity of the Earth's atmosphere is taken into account improved look-up tables including O2-O2 absorption viewing and solar angles calculated w.r.t. sea level instead of TOA improved sunglint flagging using FRESCO cloud information; proper flagging for solar eclipse events