It was scheduled to be launched in June 2019 but was delayed to 12 July, … The original plan was to launch the satellite in 2012, onboard the Soyuz-2/Fregat booster. The observatory is intended to study the interplanetary magnetic field, galaxies and black holes. The Spektr-RG or Spectrum-XG (SXG) is a Russian-German observatory-class mission. There is a video posted on Roskosmos official website showing Construction was finished in 2016, and by mid-2018 it was under integration and testing. Saturday's launch followed weeks of delays. Spektr-RG launched to space from the Baikonur Cosmodrome in Kazakhstan at 8:31 a.m. EDT (1231 GMT, or 5:31 p.m. local time). The launch of Spektr-RG was delayed a couple of times before the final launch on Saturday as some battery issues postponed the scheduled June 21st launch date. Live coverage of the countdown and launch of a Proton rocket with the Spektr-RG X-ray astronomy mission. It will carry a complement of five telescopes Third launch window for the Spektr-RG mission on July 13, 2019, at a glance: Launch date and time 2019 July 13, 15:30:56.955 Moscow Time (actual); 15:30:57 (planned) The Spektr-RG mission concept was published in 2005. The launch date of Spektr-RG has already been postponed several times. Spektr-RG's insights will come from mapping the distribution of hot, X-ray-emitting gas. Next stage: 3 months after launch — cruise to L2, positioning, performance verification (PV) and calibration phase. Launch The Proton-M launch vehicle together with the Spektr-RG astrophysics space observatory lifted off from the … This will illuminate the great clusters of galaxies that thread across the Universe.