Spectr-RG and DM-03 from the Earth

The first passage of the Spectr-RG space observatory over the territory of Russia from 21:18 to 02:40 MSK was observed by the head of the Kuban State University Observatory (KubSU) Alexander Ivanov with a 254 mm / 1200 mm Maksutov–Cassegrain telescope installed at the KubSU observatory. The video shows the passage of the upper stage DM-03 and the Spektr-RG observatory, moving along the constellation Vulpecula, a densely populated part of the Milky Way:

Averaged image of the DM-03 upper stage and Spectr-RG on July 13, 2019 from 21:18 to 02:40 MSK:

On-line broadcast of launch – today (July 13, 2019) from 14:30 MSK

On-line broadcast of launch:

Launch schedule

15:30:57 MSK Liftoff
15:33:01 MSK Stage I separation
15:36:29 MSK Stage II separation
15:36:42 MSK Fairing separation
15:40:41 MSK Booster separates from stage III
15:46:41 MSK First booster engine firing, to lift the payload into a transfer orbit
17:08:24 MSK Second booster engine firing, spacecraft on the way to L2
17:30:58 MSK Booster separation from the payload

Launch postponed until July 13, 2019

The state commission that oversees the launch of Proton-M carrier rocket with DM-03 booster and Spektr-RG satellite telescope decided to postpone the launch of the Spektr-RG observatory to July 13, 2019 due to issues with rocket subsystem.

Final decision about a possibility of the launch will be provided by the state commission at morning of July 13, 2019.

Source (russian) at Roscosmos official site

Roscosmos: Pre-launch tests at Baikonur

Roscosmos and space industry specialists perform pre-launch tests of the Proton-M vehicle with the Spectr-RG observatory at the Baikonur cosmodrome.  In particular, a cycle of planned tests and additional checks of all the launch vehicle systems, the DM-03 upper stage and the observatory are carried out.

However, during the final phase of the ground tests, an issue on the launch missile was revealed, which required additional time to eliminate.

Source: Roscosmos

 

RIA Novosti reported that the issue with discharged battery has been resolved

The RIA Novosti news agency reported, that the discharged KhIT battery, which had required to postpone the launch of the Spektr-RG observatory to a backup date on July 12, was replaced by specialists at the Baikonur cosmodrome.

“The chemical current source has been replaced. The re-erect of the rocket to the launch pad is planned on July 8. The launch is scheduled on July 12 at 15.31 Moscow time,” said the agency source.