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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 26 Jun 2015 (Friday) 15:37
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Iridium 91 Flare 06-23-2015

 
SiriusDoggy
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Jun 26, 2015 15:37 |  #1

I captured this very bright, -6 mag., Iridium flare earlier this week.
2x 30second exposures with approx. 3 seconds between frames shows the beginning and end of the flare.
Darker skies would have been nice but the moon lit up the foreground nicely.

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Celestron
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Jun 27, 2015 11:27 |  #2

Is that a daytime shot or is that the moon with over-exposure ?




  
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SiriusDoggy
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Jun 27, 2015 23:32 |  #3

Celestron wrote in post #17612293 (external link)
Is that a daytime shot or is that the moon with over-exposure ?

Moon - as it says it's a 30 second exposure.....


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Jul 06, 2015 19:16 |  #4

nice one SirrusDoggy

not sure that I have seen an iridium flare as yet
well done considering the moon brightness. The flares must be really bright in a dark sky


Dave


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SiriusDoggy
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Jul 06, 2015 19:56 |  #5

Davenn wrote in post #17622993 (external link)
nice one SirrusDoggy

not sure that I have seen an iridium flare as yet
well done considering the moon brightness. The flares must be really bright in a dark sky


Dave

They are very bright sometimes Dave. This one was in fact magnitude -6.5 so much brighter than Venus.
Check out heavens-above.com and put in your local position and you'll see the predictions for your area along with a sky map for when and where to look.


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the ­ flying ­ moose
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Jul 08, 2015 00:03 |  #6

As someone who does not do astro photography, what am I supposed to be looking at??




  
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Reservoir ­ Dog
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Post edited over 3 years ago by Reservoir Dog. (3 edits in all)
     
Jul 08, 2015 00:20 |  #7

the flying moose wrote in post #17624359 (external link)
As someone who does not do astro photography, what am I supposed to be looking at??

The trailed light in the sky.

Iridium flare = The polished antennas part of a satellite which act as a mirror often it's the sun which light it up, some time it can be the solar panel which reflect the light (magnitude is a lot less), etc ....

You can get their schedule here > http://www.heavens-above.com/ (external link) ;)


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the ­ flying ­ moose
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Jul 08, 2015 01:57 |  #8

Reservoir Dog wrote in post #17624366 (external link)
The trailed light in the sky.

Iridium flare = The polished antennas part of a satellite which act as a mirror often it's the sun which light it up, some time it can be the solar panel which reflect the light (magnitude is a lot less), etc ....

You can get their schedule here > http://www.heavens-above.com/ (external link) ;)

Oh ok. Thanks. I know next to nothing about all this stuff but find it very fascinating.




  
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Reservoir ­ Dog
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Jul 08, 2015 03:00 |  #9

the flying moose wrote in post #17624424 (external link)
Oh ok. Thanks. I know next to nothing about all this stuff but find it very fascinating.

You're welcome, also i am extremely far from the knowledge i would like to have, I know next to nothing too ;)
indeed it is very fascinating :-)


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SiriusDoggy
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Jul 08, 2015 10:41 |  #10

the flying moose wrote in post #17624359 (external link)
As someone who does not do astro photography, what am I supposed to be looking at??

Moose, I've highlighted the flare in the two photos..
The iridium satellites appear much like any other satellite crossing the sky except on occasion the solar panels onboard the satellites reflect the sunlight and they appear to brighten up very bright for a few seconds. This flare was much brighter than Venus so even with the nearby moon it was easily spotted. The website heavens-above.com is one of the sites you can use to predict them at your location.


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Iridium 91 Flare 06-23-2015
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