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Lights in the sky

Two questions, possibly about the same phenomenon. EdOn Tuesday 4 September at about 2030 GMT I noticed what appeared to be a planet in the northern sky. Since this is impossible I looked closely at it. Shortly after I began watching, its brightness dropped from an approximate -2 (about that of Sirius, the brightest star in the sky) to about +6 (the faintest visible with the naked eye) over the course of a minute or so. What could it have been? For the astronomers out there, the location in the sky was approximately: right ascension 7, declination +60.Mike Ruddock, Evesham, UKAt about 2200 GMT on 4 September, we saw two bright orange/red stationery round objects in the north-western sky. They looked like very bright, Mars-like planets, but appeared three times as wide in the sky. One object was located diagonally below the other, at an angular distance of 2 degrees.

They came towards us very slowly before flying, with increased acceleration, in a south-easterly direction, becoming fainter and smaller. No sound came from them, and they kept the separation distance at all times. The whole spectacle lasted for about 15 minutes.

Our area is regularly visited by aircraft from the air bases at Mildenhall and Lakenheath, so we are no strangers to night-flying exercises. What we found very strange is that, unlike the navigation lights of most aircraft, which are bright white, these were orange/red. Also, there were no flashing lights, which are seen on all civil and military aircraft.

The altitude they were flying at was difficult to judge but we would say about the same as most of the 'regular' night-flying aircraft.

Does anyone have any suggestions as to what was going on? Also, have similar objects been observed?

Ithel and Omara Williams, Waterbeach, Cambridge

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Rush says:
Your first sighting may have been an "Iridium flare," i.e., a specular sun reflection off the solar panels of an Iridium satellite. There are generally several visible every night from any given location. They generally last several seconds, and can be as bright as mag -8. See the web site heavens-above.com for more info. You can also use the site to obtain predictions for your location.
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posted on 2007-09-10 22:26:00 | Report abuse


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Dan says:
Jobbing at a local public observatory, I have learnt firsthand that some "strange" sightings during twilight can be attributed to weather balloons. The ones being used around here have a silvery hull which makes them shine as bright as Venus, eventually fading when they rise into the sky. Depending on the weather conditions they can appear to be more stationary than satellites--and they're usually high up in the sky. A colleague managed to catch one of them in a telescope: http://www.kuffner.ac.at/~wwondrak/wondrak_astro_ext/wettball_serie_z.jpg
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posted on 2007-09-11 01:03:00 | Report abuse


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Anonymous says:
i personally belive it was a rare type of bulb lightning that ocures once in a century thats my opinion. my freind is the one that proposed this idea. i do not know if he is lying im trusting him thank you for leting me post this comment
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posted on 2007-09-11 06:26:00 | Report abuse


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Anonymous says:
There are many possibilities. The colour (reddish) suggests afterburners on military jets. Reflections off satellites or weather balloons are also good candidates. Estimates of distance and height are valueless. Unless you actually know one of these you cannot estimate the other. Two hundred metres up and one kilometre away looks exactly the same as two kilometres up and ten kilometres away. Estimates of altitude are notoriously unreliable. Estimates of physical size in the night sky are also also hopeless. Speed estimates are silly as well, close and slow looks the same as distant and fast. The only useful estimates are angular size ones, such as "twice as wide as the full moon".CheersIan ChristieMelbourne
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posted on 2007-09-11 13:19:00 | Report abuse


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Julian says:
Hi, I have seen similar things in the sky before. I have observed what appear to be regular satellites (which move at set speeds in the same direction), but they will suddenly stop, apparently hover, and then change direction (odd behaviour for a satellite). I have never figured out what these are, but I have seen them several times, and have discussed them with people, who have also seen them.
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posted on 2007-09-11 14:01:00 | Report abuse


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