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Originally posted by intrptr
reply to post by Char-Lee
Interesting, the one I watched with binoculars each color was its own circle not one changing color A glob of circles each one color flashing.
I don't know which one you saw... The kind of image distortion depends on many factors. Turbulence, vapors or ice high in the atmosphere. The angle the star (planet) is viewed from. If it is directly overhead there is less atmosphere to view it through so less Twinkle. If a major metropolitan are or city is "over the horizon" and a star low on the Horizon sits above that...
Zooming in out of focus or in focus...
Star gazers know the best time to view the heavens is predawn when the earth is cooled from the heat of the sun and the city industry and lights. Atmosphere is more steady then and the clearest, most steady viewing will be directly over head at that time.
Edit: Try it some time. I love it when I go outside early in the morning and look up. If the sky is clear, the firmament is rock steady, the background jet black and the stars are solid white points of light.edit on 14-12-2012 by intrptr because: additional...
Originally posted by MysterX
reply to post by SpaceBoyPluto
Not the ISS...you'd know if you saw the ISS...it's bright white, and moves across the sky very quickly.
Too big for a satellite.
Not a helicopter, or a bird or a Harrier jump jet.
Yep, it's a UFO.
Originally posted by robwebbjr
reply to post by SpaceBoyPluto
Don't listen to the stupid debunkers, these things are not stars and they're all over the place.
This
www.youtube.com...
is from Canada, I think. And I see them regularly here in California.
I'm thinking they might not be physical objects, but maybe light show type projections from who knows what source. Maybe a Project Blue Beam or somthing.
And then there are these
www.youtube.com...
which I've also seen around here and which I suspect may be the day time version of the scintillating lights we're discussing.
Anyway, just know that you're not nuts. Or. at least if you are, there are lots of other nuts with you.
Originally posted by mcx1942
I think it may be the space station. It gives off a blue and red flash like that.
Originally posted by XLR8R
reply to post by mcx1942
Yep. Planets do as well. Nice vid though.
Planets do not twinkle the way stars do. In fact, this is a good way of figuring out if a particular object you see in the sky is a planet or a star. The reason is that stars are so far away that they are essentially points of light on the sky, while planets actually have finite size. The size of a planet on the sky in a sense "averages out" the turbulent effects of the atmosphere, presenting a relatively stable image to the eye.
Originally posted by Komodo
Originally posted by mcx1942
I think it may be the space station. It gives off a blue and red flash like that.
riiiiiiight....
sorry I've NEVER seen any you tube vids that show this..
and SS aren't that low in the atmostphere .. and don't have that much power to be blinking blue and red..
nice try but NO cigar ~!
The International Space Station (ISS) is by far the biggest and brightest of all the man-made objects orbiting the Earth.
On-orbit construction of the station began in 1998, and is scheduled to be complete by 2011, with operations continuing until around 2015. More than four times as large as the defunct Russian Mir space station, the completed International Space Station will ultimately have a mass of about 1,040,000 pounds (520 tons) and will measure 356 feet across and 290 feet long, with almost an acre of solar panels to provide electrical power to six state-of-the-art laboratories.
On favorable passes, it can appear as bright as the planet Venus, at magnitude -4.5, and some 16 times brighter than Sirius, the brightest star in the night sky. Some have made estimates as bright as magnitude -5 or -6 for the station (smaller numbers represent brighter objects on this astronomers scale).
And as a bonus, sunlight glinting directly off the solar panels can sometimes make the ISS appear to briefly "flare" in brilliance to as bright as magnitude -8; more than 16 times brighter than Venus!
The very best viewing circumstances are those that take the ISS on a high arc across the sky about 45 to 60 minutes after sunset, or 45 to 60 minutes before sunrise. In such cases, you'll have it in your sky upwards to four or five minutes; it will likely get very bright and there will be little or no chance of it encountering the Earth's shadow.
Originally posted by XLR8R
reply to post by Char-Lee
Huh? That's bizarre. I'll have to find that book and quote it. It basically says when low in the sky planets shimmer blue and red. Might be an older book though. Thanks for the info.
It’s pretty tough to figure out which objects are stars and which are planets just by looking for the twinklers vs the non-twinklers. But if you can recognize a planet in some other way, you might notice the steadiness of its light by contrasting it to a nearby star.