Answer to comments of Referee #2

Abstract

We thank the reviewer for the detailed remarks and the effort to improve our paper. We responded to all comments as best as we can. We attached Section 5.2 (comparisons of data sets) of the changed manuscript to the answers. General comments: This paper deals with new progress about the instrumental corrections of the SCIA-MACHY data. The special interest is to improve the solar spectral data. The paper is well written and contains interesting and important results for users of SCIAMACHY C1