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Solar and Aurora Activity Chat


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#1 shuggee

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Posted 03 November 2006 - 10:03

Anyone got an up-date on the reported passing of the solar minimum earlier in the year? I ask because it seems that there is still a dearth of any awakening signs of magnetic storms and sunspots - all quiet on the Sol front?
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#2 pottyprof

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Posted 03 November 2006 - 10:16

Hi Shuggs..

The jury is still out on if we have reached the minimum.. sunspot frequency is still low and still appear to be from the last cycle..

I think if anything is anounced spaceweather.com will pick up on it... :D
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#3 kar999

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Posted 03 November 2006 - 15:42

The sunspot cycle is much like any other sine wave cycle such as the tides and daylight hours. Low tide and high tide seem to last a long time but then all of a sudden things get moving very quickly in between. I suspect well have another quiet 18 months or so before things pick up noticeably. Having said that, isolated big flares and CMEs can occur and cause fireworks at any time of the cycle.
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Since it started snowing my wife has done nothing but look through the window. If it gets much deeper I'll have to let her in!

If the ball had gone in the net it would have been a goal.
If my Auntie had been a man she'd have been my Uncle.


#4 frogesque

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Posted 03 November 2006 - 21:18

Sunspot complex 921 looks quite interesting and 922 seems to be growing as well.

http://www.spaceweather.com/
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#5 frogesque

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Posted 07 November 2006 - 11:27

Superb CME profile caught by SOHO from a sunspot just over the limb featured on today's Spaceweather. You can also hear it too!
http://www.spaceweather.com/
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#6 Crepuscular Ray

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Posted 07 November 2006 - 13:05

Superb CME profile caught by SOHO from a sunspot just over the limb featured on today's Spaceweather. You can also hear it too!
http://www.spaceweather.com/


Hopefully the region responsible will remain as active once it gets round to this side of the Sun.
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"Beauty is in the eye of the beholder and it may be necessary from time to time to give a stupid or misinformed beholder a black eye." - Miss Piggy
“It's snowing still," said Eeyore gloomily.
"So it is."
"And freezing."
"Is it?"
"Yes," said Eeyore. "However," he said, brightening up a little, "we haven't had an earthquake lately.”

#7 Crepuscular Ray

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Posted 07 November 2006 - 22:11

SpaceWeather.com are now getting rather excited about this particular region's imminent emergence over the Sun's limb. Given that the new sunspot cycle seems to be sluggish and rather reluctant to get into gear, any activity seems welcome. Although the British Isles are badly placed for seeing aurorae because the geomagnetic north pole is somewhere in Canada(and getting farther southwest each year) rather than in the same place as the geographic north pole, anything that promises really big X-class solar flares, especially if the Sun's magnetic field is oriented to the south (again see SpaceWeather.com for updates) might be promising at this time of year. But don't count on it.
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"Beauty is in the eye of the beholder and it may be necessary from time to time to give a stupid or misinformed beholder a black eye." - Miss Piggy
“It's snowing still," said Eeyore gloomily.
"So it is."
"And freezing."
"Is it?"
"Yes," said Eeyore. "However," he said, brightening up a little, "we haven't had an earthquake lately.”

#8 kar999

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Posted 10 November 2006 - 13:24

From Spaceweather.

AURORA ALERT: A G2 geomagnetic storm is in progress. The cause: a solar wind stream is buffeting Earth's magnetic field. Auroras have been sighted in several northern US states including New York, Montana and Wisconsin.

KP index of 6, but not sure if it will hold till it's dark here tonight to be in with any chance up North.
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Since it started snowing my wife has done nothing but look through the window. If it gets much deeper I'll have to let her in!

If the ball had gone in the net it would have been a goal.
If my Auntie had been a man she'd have been my Uncle.


#9 shuggee

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Posted 10 November 2006 - 14:59

Just spotted that one Kar :whistling:

Typical that it's wet windy and with no prospect of clear skies - typical!
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#10 frogesque

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Posted 10 November 2006 - 18:22

Kp still red but has dropped back to 5. Kp of 6 is just about doable from here if the sky is crystal clear to the horizon. I generally take a Kp of 7 before I'll do much in the way of driving.

Current weather is lousy, lead sky and drizzle. :D
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May the sand in your toes remind you of sunny days.

#11 kar999

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Posted 10 November 2006 - 19:21

It's backed off to KP3 now so Frogesque, I think it's feet up in front of the fire with a glass in hand tonight! :D

Edited by kar999, 10 November 2006 - 19:26 .

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Since it started snowing my wife has done nothing but look through the window. If it gets much deeper I'll have to let her in!

If the ball had gone in the net it would have been a goal.
If my Auntie had been a man she'd have been my Uncle.


#12 Mondy

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Posted 17 November 2006 - 21:47

Chuck this in your favourites. Newly hatched website :lol:

http://www.solarcycle24.com/index.htm
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#13 frogesque

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Posted 17 November 2006 - 22:21

Nice summary page Mondy! :rolleyes:
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#14 frogesque

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Posted 21 November 2006 - 10:44

Another CME over the limb. Hope any associated sunspot doesn't prove to be a dud when it faces us like 923.

http://www.spaceweat..._strip_anim.gif
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#15 kar999

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Posted 23 November 2006 - 15:12

AURORA WATCH: Northern sky watchers, be alert for auroras. Earth is entering a solar wind stream flowing from a coronal hole on the sun, and the encounter could spark a geomagnetic storm.

May not come to much but KP index currently at 5. Typically northern skies look set to be a tad cloudy in many places!
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Since it started snowing my wife has done nothing but look through the window. If it gets much deeper I'll have to let her in!

If the ball had gone in the net it would have been a goal.
If my Auntie had been a man she'd have been my Uncle.


#16 frogesque

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Posted 23 November 2006 - 16:52

AURORA WATCH: Northern sky watchers, be alert for auroras. Earth is entering a solar wind stream flowing from a coronal hole on the sun, and the encounter could spark a geomagnetic storm.

May not come to much but KP index currently at 5. Typically northern skies look set to be a tad cloudy in many places!


As in throwing down with a powerhose here! :unsure:
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#17 Mondy

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Posted 23 November 2006 - 17:48

:)

The only solar activity i'll see is when the sun rises tomorrow and the skies clear (maybe :unsure: )

Edited by Mondy the clumsy, 23 November 2006 - 17:49 .

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#18 pottyprof

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Posted 27 November 2006 - 11:55

http://www.sec.noaa.gov/SolarCycle/

From these graphs the expected start to the next cycle is about halfway through next year..
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#19 kar999

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Posted 05 December 2006 - 11:12

Wooooo... we haven't a biggy like this for a long time...

X-Ray X- Class Solar Flare

X8 1035 UT Dec05


http://www.sec.noaa...._plots/Xray.gif

Xray_1m.gif

Edited by kar999, 05 December 2006 - 11:23 .

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Since it started snowing my wife has done nothing but look through the window. If it gets much deeper I'll have to let her in!

If the ball had gone in the net it would have been a goal.
If my Auntie had been a man she'd have been my Uncle.


#20 frogesque

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Posted 05 December 2006 - 11:23

Wooooo... we haven't a biggy like this for a long time...

X-Ray X- Class Solar Flare

X8 1035 UT Dec05


http://www.sec.noaa...._plots/Xray.gif

Doesn't look like a long lasting one so not too sure what the consequenses will be.


Any activity is welcomed but we really need an Earth directed CME along with it.

From Spaceweather:

"CORONAL HOLE: There's a hole in the Sun's atmosphere today--a "coronal hole." It shows up jet-black in this false-color X-ray image of the Sun from NOAA's GOES-13 satellite:

Coronal holes are places where the Sun's magnetic field opens up and allows solar wind to escape into space. A windy gust from this coronal hole is expected to hit Earth on Dec. 6th or 7th, possibly sparking a geomagnetic storm and auroras. "
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