Re: yaogan flares

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Thu, 2 Apr 2020 10:48:36 +0200
Brad,

I don't think you should add them to your hitlist of flashing satellites.
Tristan was lucky to image them at the right time.
I imaged them most of the time as S.
A lot of sats I image are flashing or flare just once and are S most of the
times I imaged them.
The Yaogan triplets are no regular flashing sats.

Leo

Op do 2 apr. 2020 om 08:21 schreef Brad Young via Seesat-l <
seesat-l_at_satobs.org>:

> Hi Tristan,
>
> Good catch! I looked back through all my sightings and also only had
> steady brightness (albeit I only recorded them once). Looks like I need to
> add them to my hit list, thanks for the report.
>
> Brad Young PE
> Advisory Consultant
> ConsenSys Space
> Visual:
> Oberwerk 8 x 40 Mariner binoculars
> Meade ETX-125
> 22" f/4.2 UC Obsession
> COSPAR 8336 =TULSA1 +36.139208,-95.983429 660ft, 201m
> COSPAR 8335 =TULSA2 +35.8311  -96.1411 1083ft, 330m
> Remote Imaging:
> MPC I89 COSPAR 7777 38.165653 -2.326735 5150ft, 1650m Nerpio, Spain
> MPC Q62 COSPAR 7778 -31.2733 149.0644 3400ft, 1122m Siding Spring, NSW,
> Australia
> MPC H06 COSPAR 7779 32.92 -105.528 7298ft, 2225m Mayhill, New Mexico USA
> MPC 323 COSPAR 7782 -32.008 116.135 984ft, 300m Perth, WA, Australia
>
>
>
>
>
>
> On Thursday, April 2, 2020, 1:08:32 AM CDT, Leo Barhorst via Seesat-l <
> seesat-l_at_satobs.org> wrote:
>
>
>
>
>
> Hello Tristan,
>
> Nice picture!
> Inave imaged this triplet many times, but always as strays when imaging
> other sats in NOSS like orbits.
> They were mostly S and have sometimes a small variation in brightness.
>
> You have been lucky to image them in at the right moment when the
> sun-sat-observer angle was right for producing flares.
>
> Greetinhs
> Leo
>
> Op wo 1 apr. 2020 om 22:18 schreef tristan.cools--- via Seesat-l <
> seesat-l_at_satobs.org>:
>
> > Hello,
> >
> > Just for fun I tried to observe the Yaogan 20A,B,C (40109,40110,40111)
> > equivalent of the Noss triplets this evening.  Very surprised that they
> all
> > gave negative(mag -1) flares at a certain moment.
> >
> > Here's a picture:
> > https://drive.google.com/open?id=1UbeQ7J0QbrZNEQsewEJKUapU3UgmlFbA
> >
> > Observation was over Bruges, Belgium at 19:29 UTC NE near UMA.
> >
> > Anyone have a similar observation ?
> >
> > greetings,
> > Tristan Cools
> > BWGS - Belgian Working Group Satellites
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> >
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Received on Thu Apr 02 2020 - 03:50:05 UTC

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