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Forums
4hv.org :: Forums :: General Science and Electronics
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Astronomical mystery

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Bjørn
Fri Jul 20 2007, 02:01AM Print
Bjørn Registered Member #27 Joined: Fri Feb 03 2006, 02:20AM
Location: Hyperborea
Posts: 2058
I got this bright light on some pictures, it was just about visible to the naked eye. It was in the middle of the day and within 45 degrees of the sun. It seemed to have a constant brightness for more than 30 seconds until I lost it.

Any good ideas what it is?

ISO 250
1/350 s
F/10
150 mm
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...
Fri Jul 20 2007, 02:56AM
... Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
Some of the iridium flares can be bright enough to see during the day...
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kv
Fri Jul 20 2007, 03:15AM
kv Registered Member #809 Joined: Wed May 30 2007, 08:59AM
Location: Melbourne, victoria
Posts: 114
i saw somehting like that a while ago, i found out it was a sattelite reflecting the sun cheesey
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Bjørn
Fri Jul 20 2007, 04:23AM
Bjørn Registered Member #27 Joined: Fri Feb 03 2006, 02:20AM
Location: Hyperborea
Posts: 2058
Since the brightness was constant it does not seem like an Iridium flare. I tried Heavens Above but it is pretty useless at finding flares in the past.
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Chris Russell
Fri Jul 20 2007, 06:30AM
Chris Russell ... not Russel!
Registered Member #1 Joined: Thu Jan 26 2006, 12:18AM
Location: Tempe, Arizona
Posts: 1052
Bjoern, if you can provide a date, time, and an approximate position in the sky (heading and elevation), I may be able to figure it out.
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Bjørn
Fri Jul 20 2007, 07:31AM
Bjørn Registered Member #27 Joined: Fri Feb 03 2006, 02:20AM
Location: Hyperborea
Posts: 2058
The EXIF says 2007-06-27 16:02:27, including daylight saving it should be two hours ahead of UTC.

I did not have a compass but it was to the left of and below the sun. My guess is a heading of 205 degrees and an elevation of 40 degrees.
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cbfull
Fri Jul 20 2007, 12:07PM
cbfull Registered Member #187 Joined: Thu Feb 16 2006, 02:54PM
Location: Central Ohio
Posts: 140
I have seen high altitude jet planes reflect sunlight briefly like that. Once it stops reflecting you can sometimes see the shape of the object that reflected it.
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GreySoul
Fri Jul 20 2007, 03:46PM
GreySoul Registered Member #546 Joined: Fri Feb 23 2007, 11:43PM
Location: Albuquerque, NM
Posts: 239
cool, a real UFO. For the time being, anyways.
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Chris Russell
Fri Jul 20 2007, 05:07PM
Chris Russell ... not Russel!
Registered Member #1 Joined: Thu Jan 26 2006, 12:18AM
Location: Tempe, Arizona
Posts: 1052
Assuming you were at your home location as marked in your profile, I did not find any candidate satellites for June 27th, 2007, ~1400UTC. There wasn't much activity in that part of the sky, as far as normally visible satellites, and the few that were there aren't that bright, and have distinct signatures, such as a regular flashing period. The duration and constant brightness would seem to discount an Iridium flare, and the fact that there were no Iridium satellites in that part of the sky at that time would seem to verify this. Unless the location and/or the time is wrong, I think it will remain a mystery.

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Sulaiman
Fri Jul 20 2007, 08:43PM
Sulaiman Registered Member #162 Joined: Mon Feb 13 2006, 10:25AM
Location: United Kingdom
Posts: 3141
what you saw was swamp gas that reflected light from venus
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