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Solar and Aurora Activity Chat


shuggee

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Posted
  • Location: Galway
  • Weather Preferences: Snow, frost hail, ice.
  • Location: Galway

neutron count=9.6%=high

tci = 43.7 billion watts

another good drop in tci and neutron count up.

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Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

6 days blank, 205 for 2019 73%

Solar flux 67

Thermosphere: 4.37

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Posted
  • Location: Galway
  • Weather Preferences: Snow, frost hail, ice.
  • Location: Galway

tci=43.6 billion watts, so a slight drop today

neutron count 10.0%= high so neutron count on the up.

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Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

7 days blank, 206 for 2019 73%

Solar flux 68

Thermosphere: 4.35

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Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

8 days blank, 207 for 2019 73%

Solar flux 68

Thermosphere: 4.35

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Posted
  • Location: Coniston, Cumbria 90m ASL
  • Weather Preferences: wintry
  • Location: Coniston, Cumbria 90m ASL
13 hours ago, Minus 10 said:

solar cycle 25 getting closer

yes almost undoubtedly, BUT it is possible to get opposite polarity SS in any given cycle

 

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Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

Q3 had a 95% spotless rate with 87/92 days spotless. An exceptionally deep quarter. 

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Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

9 days blank,  208 for 2019 73%

Solar flux 69

Thermosphere: 4.37

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Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

10 days blank, 109 for 2019 73%

Solar flux 68

Thermosphere: 4.42

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Posted
  • Location: South Ockendon, Thurrock, SW Essex
  • Weather Preferences: Severe frosts, Heavy snowfall, Thunder and lightning, Stormy weather
  • Location: South Ockendon, Thurrock, SW Essex

AURORAS--NO SUNSPOTS REQUIRED: Last night, the sun and Moon combined to produce a beautiful scene in Tromsø, Norway. The sun contributed a gust of solar wind, while the Moon added its almost-full luminosity. Markus Varik photographed the result:

huntersauroras_strip Norway Aurora.jpg

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Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

11 days blank, 210 for 2019 73%

Solar flux 68

Thermosphere: 4.40

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Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

12 days blank, 211 for 2019, 73%

Solar flux 66

Thermosphere: 4.35

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Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

13 days blank, 212 for 2019 73%

Solar flux 67

Thermosphere: 4.41

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Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

14 days blank, 213 for 2019 73%

Solar flux 66

Thermosphere: 4.33

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Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

15 days blank, 214 for 2019, 74%

Solar flux 66

Thermosphere: 4.38

Edited by SteveB
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Posted
  • Location: York
  • Weather Preferences: Long warm summer evenings. Cold frosty sunny winter days.
  • Location: York
3 hours ago, SteveB said:

15 days blank, 214 for 2019, 74%

Solar flux 66

Thermosphere: 4.38

In % terms now higher than the last minimum of 73%. We have 74 days left of 2019 so a potential of say 284 which would give us a percentage of 78%. Personally I think a range between 75 and 76% more likely s so an upper limit of 277 spotless days. How this compares to the Dalton minimum is unclear.

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Posted
  • Location: Near King's Lynn 13.68m ASL
  • Weather Preferences: Hoar Frost, Snow, Misty Autumn mornings
  • Location: Near King's Lynn 13.68m ASL

As the Earth approaches perihelion (in January), the adjusted solar flux is now lower than the observed flux. For example, yesterday's final reading of 66.0 has an adjusted value of 65.5sfu. At perihelion, the adjusted figure will be about 2.2sfu lower than the observed.

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Posted
  • Location: South Ockendon, Thurrock, SW Essex
  • Weather Preferences: Severe frosts, Heavy snowfall, Thunder and lightning, Stormy weather
  • Location: South Ockendon, Thurrock, SW Essex

FOR NO PARTICULAR REASON, AURORAS AT SEA: Geomagnetic storms and auroras go together. Northern Lights are the telltale glow of Earth's magnetic field vibrating in response to solar wind. So how do we explain this? There was no geomagnetic storm on October 16th when bright auroras appeared off the coast of Tromsø, Norway. Alan Dyer photographed the display from the deck of the ferry ship Trollfjord:

aurorasatsea_strip For no particular reason Norway.jpg

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Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

16 days blank, 215 for 2019 74%

Solar flux 66

Thermosphere: 4.37

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