Re: NOUR 01: brightness variation recorded last night

From: Pierros Papadeas via Seesat-l <seesat-l_at_satobs.org>
Date: Mon, 11 May 2020 16:15:28 +0300
For what is worth the satellite seems to be operational according to the
observations in SatNOGS Network :

https://network.satnogs.org/observations/?future=0&bad=0&unvetted=0&failed=0&norad=45529&observer=&station=&start=&end=

On Thu, May 7, 2020, 13:35 Marco Langbroek via Seesat-l <seesat-l_at_satobs.org>
wrote:

>
>
> I observed the new Iranian NOUR 1 satellite (2020-024A) again last night
> during
> a near-zenith pass near 1:08 UT (7 May). It was filmed with a WATEC 902H
> with
> Samyang 1.4/85 mm, at 25 fps.
>
> This time brightness variation is evident in a frame stack!
>
> Stack of 126 video frames (5 seconds of footage):
>
> https://twitter.com/Marco_Langbroek/status/1258342216784908291?s=20
>
> Note the brightness variation over the track, with a periodicity of about
> 3.3
> seconds.
>
> Video:
>
> https://vimeo.com/415868298
>
> This suggests the satellite is rotating (not necesarily 'tumbling').
>
>
> - 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 Mon May 11 2020 - 08:16:53 UTC

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