RE: 2015-071 launch objects - Cosmos 2511 was double

From: Max White via Seesat-l <seesat-l_at_satobs.org>
Date: Tue, 8 Dec 2015 11:29:28 +0000
I'll agree with the 71C Volga - seen naked eye invisible to +2 every 12 seconds, on time through Cygnus, so an approx 25 second rotation.
This morning was clouded out and 2511 had decayed some hours beforehand.


> Date: Tue, 8 Dec 2015 11:17:29 +0100
> To: SeeSat-L_at_satobs.org
> Subject: 2015-071 launch objects - Cosmos 2511 was double
> From: seesat-l_at_satobs.org
> 
> Hi all,
> 
> Last night on 7 DEC 2015, I photographed the 2015-071 objects, passing according to Calsky ephemerides.
> At first glance, before any detailed analysis, I imaged using a wide angle of 28mm on a Canon EOS 6D :
> 
> 
> 
> . Cosmos 2512 ; 17h02m-03m TU
> . Cosmos 2511 as a couple of objects , a faint flashing one preceding a much brighter one (steady)  photographed from 17h10.9m to 14.8m TU
> .  superbly flashing Volga Rocket  071-C around 17h35m TU.
> 
> 
> I also observed all these objects using binoculars 50 x 10.
> 
> 
> Both objects, from Cosmos 2511 pass, were separated by about 12 seconds. 
> Alain Grycan photographed both objects too , passing by Gamma And at 17h11m 02s and 14s TU (as observed from Toulouse ; south of France).
> 
> 
> The fainter object  (= the flashing leading one)  might be a debris from the bigger one ; it already orbited at a slightly lower altitude above horizon than the main object.
> 
> 
> 
> 
> Regards 
> 
> 
> Alain Figer
> 
> 
> SW suburbs of Paris
> 48.67 N ; 2.13 E ; 170 m a.s.l.
> 
> 
> 
> 
> 
> 
> 
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Received on Tue Dec 08 2015 - 05:30:28 UTC

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