... The HST Data Handbook version 3 is the definitive reference manual for the reduction and analysis of HST data. ... It describes data sets produced by each instrument aboard the Hubble Space Telescope and techniques for reading, understanding, calibrating, and analyzing the data. ... Calibrating Hubble Space Telescope is the proceedings from the first HST Calibration Workshop, held at the Space Telescope Science Institute November 15-17, 1993. ... Maintained by the STScI Spectrographs Group . ...