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Trillium
About time
It finally comes! I dreamed of photographing the comet ISON. I succeeded this morning. Here it is visible above the enclosure of the Piton de la Fournaise, at Réunion Island. © Luc Perrot
wildespace
Comet ISON in colour from November 7th, by Damian Peach. www.damianpeach.com...
17"CDK with FLI-PL6303E. LRGB. L: 7x2mins. RGB: 1x2mins.
Some dust strands can be seen in the tail.
Here's a blink comparison of his images from Nov 6th and 7th, showing the evolution of the tail:
ngchunter
ISON this morning through my scope:
Comet ISON from November 15th. Sporting a dramatic and intricate tail more than 2deg long. Hard to believe this is the same comet from back on the 10th when i last imaged it!
Colour: www.damianpeach.com...
Negative (shows tail really well): www.damianpeach.com...
106mm F5.0 with STL-11k. LRGB. L: 5x2mins. RGB: 1x2mins.
ThePeaceMaker
I've got some marine binos that we use on my dad's boat. I'm hoping they are laying about indoors as the boat is out the water. It's 9:30pm I might stay up to see if I can see it meant to have a clear night till early morning hours
COMET ISON'S SUPER TAIL: Comet's ISON's recent outburst of activity has done more than simply brighten the comet. Whatever exploded from the comet's core also created a spectacularly-long tail, more than 16 million kilometers from end to end. Scroll down to see the full extent of Comet ISON as photographed on Nov. 17th by Michael Jäger of Ebenwaldhöhe, Austria:
"The tail of the comet stretches more than 7 degrees across the sky," says Jäger. It's almost as wide as the bowl of the Big Dipper.
Physically, ISON's tail is about 12 times wider than the sun. So, when the head of ISON plunges into the sun's atmosphere on Nov. 28th, more than 15 million kilometers of the comet's tail will still be jutting into space behind it.
Because so much gas and dust is spewing from the comet's core, it is impossible to see clearly what caused Comet ISON's outburst on Nov. 13-14. One possibility is that fresh veins of ice are opening up in the comet's nucleus, vaporizing furiously as ISON approaches the sun. Another possibility is that the nucleus has completely fragmented.
"If so, it will still be several days before we know for sure," says Karl Battams, an astronomer with NASA's Comet ISON Observing Campaign. "When comet nuclei fall apart, it’s not like a shrapnel-laden explosion. Instead, the chunks slowly drift apart at slightly different speeds. Given that ISON’s nucleus is shrouded in such a tremendous volume of light-scattering dust and gas right now, it will be almost impossible to determine this for at least a few days and perhaps not until the comet reaches the field of view of NASA's STEREO HI-1A instrument on November 21, 2013. We will have to wait for the chunks to drift apart a sufficient distance, assuming they don't crumble first."
Monitoring is encouraged. Comet ISON rises in the east just before the sun.
wildespace
WOW!
ISON's tail is now over 16 million km long.
COMET ISON'S SUPER TAIL: Comet's ISON's recent outburst of activity has done more than simply brighten the comet. Whatever exploded from the comet's core also created a spectacularly-long tail, more than 16 million kilometers from end to end. Scroll down to see the full extent of Comet ISON as photographed on Nov. 17th by Michael Jäger of Ebenwaldhöhe, Austria:
"The tail of the comet stretches more than 7 degrees across the sky," says Jäger. It's almost as wide as the bowl of the Big Dipper.
Physically, ISON's tail is about 12 times wider than the sun. So, when the head of ISON plunges into the sun's atmosphere on Nov. 28th, more than 15 million kilometers of the comet's tail will still be jutting into space behind it.
Because so much gas and dust is spewing from the comet's core, it is impossible to see clearly what caused Comet ISON's outburst on Nov. 13-14. One possibility is that fresh veins of ice are opening up in the comet's nucleus, vaporizing furiously as ISON approaches the sun. Another possibility is that the nucleus has completely fragmented.
"If so, it will still be several days before we know for sure," says Karl Battams, an astronomer with NASA's Comet ISON Observing Campaign. "When comet nuclei fall apart, it’s not like a shrapnel-laden explosion. Instead, the chunks slowly drift apart at slightly different speeds. Given that ISON’s nucleus is shrouded in such a tremendous volume of light-scattering dust and gas right now, it will be almost impossible to determine this for at least a few days and perhaps not until the comet reaches the field of view of NASA's STEREO HI-1A instrument on November 21, 2013. We will have to wait for the chunks to drift apart a sufficient distance, assuming they don't crumble first."
Monitoring is encouraged. Comet ISON rises in the east just before the sun.
spaceweather.com...