[AZ-Observing] Re: A mystery 'flare' in Cygnus

  • From: "David M. Douglass" <dmdouglass@xxxxxxxxxxxxxxx>
  • To: <az-observing@xxxxxxxxxxxxx>
  • Date: Sun, 21 Jun 2009 22:49:13 -0700

From the Heavens Above site...  for Iridium flares...
21:58:44   64 Degrees at 31 Degrees altitude   intensity  -7

David M. Douglass
New Email Address:  david@xxxxxxxxxxxxxxx
Home (480) 839-2629
Cell (602) 908-9092

-----Original Message-----
From: az-observing-bounce@xxxxxxxxxxxxx
[mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Doug Snyder
Sent: Sunday, June 21, 2009 10:29 PM
To: amastro; az-observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] A mystery 'flare' in Cygnus

Hi,

While outdoors doing  Milky Way naked eye observing under very clear 
southern AZ skies, I observed the following mystery 'flare' in Cygnus at 
about 2150 MST 6-21-09 (0450 UT on Monday 6-22-09).  The object brightened 
to about mag. -3 for about 8 to 10 seconds, then faded beyond naked eye 
visibility.  I estimated it's azimuth at about 70 degrees and its altitude 
at about 30 degrees, maybe a little less.  That would place it in the region

of where the star 'eta Cygni' is.  I referenced the Iridium Flare section of

the heavens-above site for current and previous 48 hour flares, but nothing 
corresponded to my sighting, so I am wondering if anyone else on the list 
observed it or maybe was imaging that area of the sky around that time. I 
did not see it repeat.

Thanks & Clear Skies,
Doug Snyder
Palominas, AZ 

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