APOD: The Milky Way Over the Peak of the... (2010 Nov 01)

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APOD: The Milky Way Over the Peak of the... (2010 Nov 01)

Post by APOD Robot » Mon Nov 01, 2010 3:58 am

Image The Milky Way Over the Peak of the Furnace

Explanation: On Reunion Island, it is known simply as "The Volcano." To others, it is known as the Piton de la Fournaise, which is French for the Peak of the Furnace. It is one of the most active volcanoes in the world. The Volcano started a new eruption last month by spewing hot lava bombs as high as 10 meters into the air from several vents. Pictured above, the recent eruption was caught before a star filled southern sky, appearing somehow contained beneath the arching band of our Milky Way Galaxy. Also visible in the background sky is the Pleiades open star cluster, the constellation of Orion, the brightest star Sirius, and the neighboring Large and Small Magellanic Cloud galaxies. (Can you find them?) The Piton de la Fournaise erupted for months in 2006, and for days in 2007, 2008, and in January of 2010. Nobody knows how long the current eruption will last, or when The Volcano will erupt next.

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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by neufer » Mon Nov 01, 2010 4:17 am

http://en.wikipedia.org/wiki/R%C3%A9union wrote: <<Réunion (French: La Réunion) is a French island of about 800,000 population located in the Indian Ocean, east of Madagascar. Réunion is an outermost region of the European Union. Between 15 and 16 March 1952, Cilaos at the centre of Réunion received 1.87 meters of rainfall. This is the greatest 24-hour precipitation total ever recorded on earth. The island also holds the record for most rainfall in 72 hours, 3.93 meters at Commerson's Crater in March 2007 from Cyclone Gamede.>>
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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by Syntax » Mon Nov 01, 2010 7:56 am

so how do we find the constellations?

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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by Joan Girones » Mon Nov 01, 2010 9:28 am


Isoparix

Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by Isoparix » Mon Nov 01, 2010 10:21 am

"....as high as 10 metres....", eh? Something lost going to metric, perhaps? I could hurl something as high as 10 metres, but I don't think it would merit such excitement...!

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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by León » Mon Nov 01, 2010 11:11 am

Meeting is the English translation of Reunión, is the union of principle with the end of the process, all heat up there stars, moving from atoms, below the consolidated matter was stripped of residual heat.
Is the heat that is dying or what is the same as the movement is reduced.
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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by neufer » Mon Nov 01, 2010 12:38 pm

Isoparix wrote:
"....as high as 10 metres....", eh? Something lost going to metric, perhaps?
I could hurl something as high as 10 metres, but I don't think it would merit such excitement...!
A hot lava bomb?
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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by owlice » Mon Nov 01, 2010 12:49 pm

This image first appeared on Asterisk here, along with some words from Luc about capturing the image. It's amazing what astrophotographers do to get the perfect shot!

Kudos, Luc!
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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by bystander » Mon Nov 01, 2010 1:08 pm

owlice wrote:This image first appeared on Asterisk here, along with some words from Luc about capturing the image.
Click to play embedded YouTube video.

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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by orin stepanek » Mon Nov 01, 2010 1:35 pm

Thanks owlice and bystander; I saved the Discovery photo with it's water reflection and the Luc Perrot photo for future backgrounds. 8-)
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Could you assemble a star formation sequence?

Post by hsanchez » Mon Nov 01, 2010 3:03 pm

Thank you for the beautiful images we get every day.
If there are so many stars in different formation stages, could you assemble a formation sequence?
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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by Ann » Mon Nov 01, 2010 5:01 pm

I love how the Milky Way and the constellations look like sparks flying all over the sky from the volcano.

But I, too, wish I could see the constellations! The only sky objects I recognize are the Magellanic Clouds.

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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by Chris Peterson » Mon Nov 01, 2010 6:30 pm

Ann wrote:But I, too, wish I could see the constellations! The only sky objects I recognize are the Magellanic Clouds.
Well, most of the constellations are southern, which for the most part are even less apparent than many northern ones. Gemini is extremely obvious, with Castor and Pollux just above the brightest volcanic glow. The twins are upside down, with their feet just inside the Milky Way glow. The constellation is harder to recognize for us northerners when it's oriented this way. You can also see Orion just above the Milky Way, with orange Betelgeuse in the glow. Sirius and the stars of Canis Major are pretty easy to recognize just right of center, in the Milky Way. And you should be able to see the Pleiades, at the far left.
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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by podkayn » Mon Nov 01, 2010 6:47 pm

Reunion is south of the equator, but not so far that some northern constellations wouldn't be visible. In this image, we definitely see the Magellanic Clouds to the right, and what I take to be the Pleiades at the far left, just about half-way between the skyline and the top of the image. Thus, north is left and south is right - so we are facing east. That means that Orion must be lower toward the horizon than the Pleiades, and a bit more southerly- toward the center of the picture, where the volcanic light is so strong. But I kind of think I see Betelgeuse and Bellatrix, oriented with Bellatrix directly over Betelgeuse, and the other Orion stars lost in the eruption.

Sirius, which is east of Orion, must be even lower and more southerly; I think it may be within the boundaries of the image, but maybe hidden by the eruption?

I'd sure like a definitive answer to this question.
I'm a retired veterinarian with widespread interests in science.

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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by podkayn » Mon Nov 01, 2010 6:48 pm

Oops! While I was composing my message, the definitive message was posted!
I'm a retired veterinarian with widespread interests in science.

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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by owlice » Mon Nov 01, 2010 7:11 pm

Joan, who runs one of the APOD mirrors, posted a link to this image with labels that he added for Orion, Pleiades, etc. His post is here. (Thank you, Joan!)
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isoparix

Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by isoparix » Mon Nov 01, 2010 8:35 pm

neufer wrote:
Isoparix wrote:
"....as high as 10 metres....", eh? Something lost going to metric, perhaps?
I could hurl something as high as 10 metres, but I don't think it would merit such excitement...!
A hot lava bomb?
But I'm not a volcano...! OK, OK - I'll sit at the back of the class and just say, "Gosh! Whatever next? Six inches of snow? The 30mph wind?" Enough, finis.

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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by alter-ego » Tue Nov 02, 2010 4:10 am

I thought Orion details were a bit confused by the visible distortion. Last night I used the really cool itneractive APOD video time-lapsed link "pictured above" explore the constellations. You can drag the view perspective around with your mouse. Anyway, I located about 3 dozen stars in Orion and thought I'd post this now, if only to also mention that neat interactive link.
Orion region enlarged from APOD and labeled<br />(click to enlarge)
Orion region enlarged from APOD and labeled
(click to enlarge)
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anks

Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by anks » Tue Nov 02, 2010 9:56 am

it is very difficult to find consteelation,LMC&star sirius,can you name them? :?

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Re: APOD: The Milky Way Over the Peak of the... (2010 Nov 01

Post by alter-ego » Thu Nov 04, 2010 5:06 am

anks wrote:it is very difficult to find consteelation,LMC&star sirius,can you name them? :?
Yes, indentification of some constellations in that picture is not easy. Start with Joan Girones' link (above): http://www.joangirones.com/imatges/apod101101r.jpg
Sirius is labeled and easily found (the brighter star located below and left of the letter 'S'), the Large Magellanic Cloud (LMC) is located directly above the work "Magellanic", and the SMC is to the right. Although Orion is not outlined, the letter 'O' in the word "Orion" is located about halfway between Rigel and Saiph (see my posted picture for reference)
Hope this helps.
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