Re: Nauka, Proton and associated debris seen

From: Marshall Eubanks via Seesat-l <seesat-l_at_satobs.org>
Date: Thu, 22 Jul 2021 09:14:08 -0400
I am hearing multiple reports (including from Anatoly Zak
_at_RussianSpaceWeb) that Nauka's main engines are not operational and that 
"Specialists are troubleshooting the issue and developing a backup 
rendezvous plan" using the craft's secondary engines.

Regards
Marshall Eubanks

On 2021-07-21 18:03, Marco Langbroek via Seesat-l wrote:
> With two guests I observed the ISS, followed by two bright objects 
> (Proton rb
> and Nauka) and three fainter debris objects near the first bright 
> object (Proton
> rb), in a partly clouded sky.
> 
> After the ISS, we saw a bright very fast naked eye object. On the 
> video, we
> could see it was closely accompanied by three fainter objects. This was 
> probably
> the Proton rb and associated debris.
> 
> Somewhat after that was a second bright object, which was probably 
> Nauka.
> 
> Partly because I had two guests (from Greece and Pakistan, two 
> participants of
> the SpaceTech Symposium at ESTEC, whom I was demonstrating tracking 
> techniques)
> the session was a bit chaotic. I forgot to operate the photographic 
> camera, as
> my guests were entralled by the video system.
> 
> We initially mistook the first object for Nauka: then spotted the 
> second one.
> Unfortunately, I only have the first object + associated debris pieces 
> on video,
> not Nauka itself. Well, we will have a retry next night...
> 
> - Marco
> 
> -----
> Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
> e-mail: sattrackcam_at_langbroek.org
> 
> Cospar 4353 (Leiden):     52.15412 N, 4.49081 E (WGS84), +0 m ASL
> Cospar 4355 (Cronesteyn): 52.13878 N, 4.49937 E (WGS84), -2 m ASL
> Station (b)log: http://sattrackcam.blogspot.com
> Twitter: _at_Marco_Langbroek
> -----
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Received on Thu Jul 22 2021 - 08:16:28 UTC

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