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Iridium Flares

edit David Janes 2006-12-10 10:58 UTC 4 comments  ·  ·

I just saw my first ever Iridium Flare from my office window at 5:51:43, exactly on schedule. Notes:

  • it was a few degrees clockwise of where I was expecting it (N rather than NNW). Must be the geographical vs. magnetic north pole issue.
  • I used this tool to give me the exact time
  • It was bright, very bright: magnitude -6; the best you get is -8
  • I didn't wake up Trinity-Anne because she's feeling a little ill (aren't we all these days?) but next time for sure. We were looking at Orion, the Plaides and the heads of Gemini last night at midnight when she got up for a few minutes.

Comment #1Mike C

2006-12-10 23:46:58

Cool.  Bookmarked a Dartmouth page; will have to check it out.

Do you have a telescope?

Comment #2David Janes

2006-12-10 23:56:54

Weird; just a few minutes ago I was thinking about (a) getting a telescope and (b) how cool the Iridium flash was. Unfortunately, the weather here is going to suck for a few days but it's totally awesome.

I was a neat small self-contained telescope the other day, but right now I'm going to hold off till I learn a little more. Trinity-Anne is totally into it, so it will be worth the while.

Comment #3David Janes

2006-12-15 12:50:59

And another one this morning; it was almost directly overhead and not quite so bright as the first one I saw. I actually woke Trinity-Anne up for this one.

There was supposed to be a second one 10 minutes later, but for some reason we didn't see it. It was very bright out out (flare at: 7:33:07; sunrise at 7:44) and at 36° very low on the horizon, through some trees, and maybe even below a deck of clouds to the east.

There's too more this evening, though at SW and SE the view isn't very good. Tomorrow morning there's a -7 flare to the NNW at 69°, so I have high hopes!

Comment #4Henry

2007-03-12 23:02:35

I saw an Iridium Flare once and it was really spectacular. At first I didn't know what it was it looked really strange and I was pretty shocked by the experience. Later a friend of mine explained to me what it really was. Really interesting phenomenon.

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