jmwalawender wrote:The "event" was also captured by the all sky camera at the UH88.
bystander wrote:This thread is featured in Phil's article. How cool is that?
Chris Peterson wrote:bystander wrote:This thread is featured in Phil's article. How cool is that?
At first I thought, oh no!, because there are so many crazy ideas suggested, even cringe-worthy ones. This is what always happens with these mystery photos- the likely explanation gets homed in on quickly, and then the wild ideas keep coming for days- many of them already brought up and found lacking. So did I really want this thread on Phil's forum? But then I looked at his blog, and the attached comments, and guess what? He's got as many crazies following his writeup as we have over here. So I don't feel so bad. I guess it's just the nature of the beast.
RJN wrote:Can you help identify this phenomena? The below video shows a flash of currently unknown origin observed at Mauna Kea Observatory the morning of 2011 March 22. Here is a moving gif of it (note the time stamps):
Here is an email that APOD received describing it:My name is Ichi Tanaka, a Support Astrnomer of Subuaru Telescope, Hawaii.
On the early morning of 22 March we, Subaru Telescope observers on
the summit of Mauna Kea, noticed that there is a huge halo of light
above the eastern horizon. It was slowly expanding to
over 45 degrees in 5 minutes or more.
The event was captured by the Subaru Catwalk Night Camera and also by
CHFT's NNW webcam. The animated gif movie of the Subaru webcam is
attached. I also contacted Kanoa Withington in CFHT, and they
made a quite nice movie of the event. The link is below.
We have absolutely no idea about the nature of this. It
appears that the event happened not on the Summit area, but
much farther away, according to the comparison of the two videos.
This means that the size of the light halo is quite large.
After some discussion, we decided to send this to APOD, in the hopes
that APOD readers can help us to understand the nature of this event.
It seems to me that this is an excellent case for opportunity "Citizen Science" in that I bet the alert readers of APOD and the Asterisk can indeed figure this out. Please have at it!
Matt Terry wrote:It does look like an explosion/rapid de-gassing of a vehicle in low earth orbit (tho east to west orbits are quite unusual), backlit by the sun . The 8 minutes or so seen for propagation of the "wave" would seem to rule out truly violent, nuclear-bomb style, cause, as such ionizing proceeds at light speed. I'm curious why the stars move as expected in the Subaru film, but most of them (!) don't move at all in the other, higher-res CFHT, while the ground and lights there are also stable in the frame. Some few fuzzy "stars" do move upward in the right direction, but the many colored ones don't. What gives there?
Biorelaxator wrote:I think a drop of water on the lens
owlice wrote:Biorelaxator wrote:I think a drop of water on the lens
Which accounts for it being captured by more than one lens AND seen by two people standing outside looking at it?! Ah, no.
The missile makes the most sense.
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