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Aurora on night 2024-10-10 / 2024-10-11
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2024-10-26
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Aurora Notes
- Significant auroral activity on the night 2024-10-10 / 2024-10-11 associated with geomagnetic activity up to KP8-KP9 (G4 Geomagnetic Storm).
Skies in NE Scotland were affected by some cloud but the aurora very some bright and coloured that most people will have caught some glimpses of the aurora if they were looking skyward.
Activity was visible from the Clair Observatory (+57N) on 2024-10-10 / 11 from 18:20 to 05:15 UT (19:20 to 06:15 BST), a period of nearly 11 hours, with peak activity at around 23:20 UT (00:320 BST).
The actual start of the activity was likely hidden by cloud / dusk twilight, whilst the end of activity was hidden by the cloud / dawn twilight
Observed activity comprised auroral activity over most of the sky with distinct corona just south of zenith, with a significant amount of red aurora besides the normal green aurora. There was no evidence of an auroral arc that one sees with weaker aurora that are typically seen at this latiude (+57N).
Inside of AllSky Camera's Perspex hemisphere had to wiped clear of dew early in evening (video), but despite this a a layer of fine condensation re-formed. Fortunately this gradually lifted/disappateds as the night progressed
- Scandinavia magnetometers showed activity on 2024-10-10 / 11 between 15:15 and 07:30 UT with peak activity at around 23:30 UT (00:30 BST equivalent) - SpaceWeather.com (2024-10-10) reported :
"The CME launched by Tuesday's X-flare hit Earth today, Oct. 10th (1515 UTC), and it appears to be as potent as advertised. Geomagnetic storms are underway with intensities fluctuating between G2 (Moderate) and G4-class (Severe)"
"Electrical currents are flowing through rocks and soil in the United States in response to today's geomagnetic storm ... Peak voltages in the US midwest are near 5 V/km, more than 100x normal values when the sun is quiet. Fortunately, today's peaks are only about 25% of what caused the Great Quebec Blackout in 1989. Power outages are therefore unlikely. "
SpaceWeather.com (2024-10-11) reported :
"Last night's severe (G4) geomagnetic storm is over. Earth is exiting the wake of the CME that caused it. .. Minor (G1) to Moderate (G2) storms remain possible on Oct. 11th as Earth's magnetic field slowly relaxes from one of the biggest geomagnetic disturbances of the past 20 years.... On the night of Oct. 10-11, auroras descended to .. low latitudes (including Key West (+24.7 N), Mexico (+23 N) ) .. all the way to the tropics... the Sociedad de Astronomķa del Caribe is reporting auroras photographed from Toa Baja, Puerto Rico (+18.4 N), and from a cruiseship just south of Cuba (~ +21 N). "
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See space telescope image animation of the CME (09oct24/halocme_anim.gif) that caused the geomagnetic storm
- Telescope Images from night 2024-10-10 >>
| Night Summary Plot - North Sky (2024-10-10 / 11) Times on plot are local times (BST = UTC +01h ) Any aurora in partially hidden by cloud / murky sky Bright aurora noticeable at 00:20 to 02:40 and at around 04:30 and 05:20 BST |
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| AllSky View |
| 2024-10-10 21:20 UT (22:20 BST) AllSky Camera View is affected by condensation inside perspex hemisphere which gradually lifts/disappates as the night progresses |
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| 2024-10-10 21:28 UT (22:28 BST) |
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| 2024-10-10 22:43 UT (23:43 BST) |
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| 2024-10-10 23:12 UT (00:12 BST) |
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| 2024-10-10 23:13 UT (00:13 BST) |
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| 2024-10-10 23:16 UT (00:16 BST) |
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| 2024-10-10 23:18 UT (00:18 BST) |
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| 2024-10-10 23:20 UT (00:20 BST) |
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| 2024-10-10 23:22 UT (00:22 BST) |
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| 2024-10-10 23:25 UT (00:25 BST) |
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| 2024-10-10 23:30 UT (00:30 BST) |
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| 2024-10-10 23:32 UT (00:32 BST) |
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| 2024-10-10 23:55 UT (00:55 BST) |
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| 2024-10-10 23:58 UT (00:58 BST) |
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| 2024-10-11 00:17 UT (01:17 BST) |
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| 2024-10-11 00:28 UT (01:28 BST) |
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| 2024-10-11 00:49 UT (01:49 BST) |
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| 2024-10-11 01:24 UT (02:24 BST) |
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| 2024-10-11 01:55 UT (02:55 BST) |
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| 2024-10-11 02:03 UT (03:03 BST) |
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| 2024-10-11 02:12 UT (03:12 BST) |
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| 2024-10-11 02:12 UT (03:12 BST) |
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| 2024-10-11 02:42 UT (03:42 BST) |
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| 2024-10-11 02:53 UT (03:53 BST) |
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| 30s exposures taken with Oculus All Sky Camera |
| Panoramic View - Northern Sky |
| 2024-10-10 18:23 UT (19:23 BST) First sign of aurora with rays in NE-ENE Sky and general brightening in north sky - murky sky / cloud with auroral behind AllSky Camera is affected by condensation inside perspex hemisphere which gradually lifts/disappates as the night progresses |
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| 2024-10-10 18:52 UT (19:52 BST) Aurora across entire northern, but detail hidden by murky sky and condensation inside camera. |
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| 2024-10-10 21:01 UT (22:01 BST) Continuation of aurora activity, largely hidden by murky sky and condensation inside camera. except in ENE Sky where distinct aurora rays are visible |
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| 2024-10-10 23:22 UT (00:22 BST) Bright aurora coming from the south and moving northward |
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| 2024-10-10 23:24 UT (00:24 BST) Bright aurora contininuing to move (descend) northwards |
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| 2024-10-10 23:29 UT (00:29 BST) Bright aurora contininuing to move (descend) northwards |
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| 2024-10-10 23:39 UT (00:39 BST) Prominant aurora rays in ENE sky to least 35-40° altitude in ENE, Rays W - NNE sky partly hidden by condensation in AllSky Camera |
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| 2024-10-11 00:14 UT (01:14 BST) Aurora rays across entire northern sky to at least 60° altitude View again affected by condensation inside AllSky Camera |
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| 2024-10-11 00:21 UT (01:21 BST) Bright curtains developing in northern direction . Aurora rays across entire northern sky to over 60° altitude |
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| 2024-10-11 00:43 UT (01:43 BST) Aurora curtains and chaotic character in nothern sky. Rays significantly weakened |
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| 2024-10-11 00:50 UT (01:50 BST) Rapidly moving aurora curtains and semi-chaotic character |
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| 2024-10-11 00:55 UT (01:55 BST) Continuation of high auroral activity. Condensation in camera gradually dissipating |
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| 2024-10-11 01:16 UT (02:16 BST) Continuation of high auroral activity. |
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| 2024-10-11 01:30 UT (02:30 BST) Continuation of auroral activity. Sky becoming murky again with foreground clouds. The 'Plough' is not visible |
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| 2024-10-11 02:21 UT (03:21 BST) Continuation of auroral activity. Sky still murky / cloudy in NE Sky. |
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| 2024-10-11 02:42 UT (03:42 BST) Auroral Rays to over 60° altitude, foreground clouds |
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| 2024-10-11 02:53 UT (03:53 BST) Continuing display of auroral rays to over 60° altitude, foreground clouds Curtains again developing in NNW - NNE sky |
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| 2024-10-11 03:22 UT (04:22 BST) Display generally weakening and becoming hidden by foreground clouds along northern horizon. Ray at 30-60° altitude in ENE sky |
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| 2024-10-11 04:33 UT (05:33 BST) Display strengthening again with auroral rays to 50° altitude. Auroral arc likely present to 15-17° altitude but hidden by foreground cloud Rain drops present on camera following a short intervening shower |
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| 2024-10-11 04:41 UT (05:41 BST) Auroral rays continuing to be visible in N - NNE & ENE directions. |
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| 2024-10-11 05:12 UT (06:12 BST) Cloud thickening, but auroral rays still visible through gap in cloud in N and NNE direction Dawn twilight developing on ENE-E sky. |
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| 30s exposures taken with Oculus All Sky Camera |
| Panoramic View - Southern Sky |
| 2024-10-10 18:37 UT (19:37 BST) First sign of aurora with brightening of sky towards zenith and in East Sky (brightening in West sky hidden in dusk twilight) Moon (50% phase) at low altitude in S-SSW sky AllSky Camera is affected by condensation inside perspex hemisphere which gradually lifts/disappates as the night progresses |
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| 2024-10-10 18:46 UT (19:46 BST) Auroral rays in East and Western Sky and likely stretching to zenith View above 15-20° altitude is affected by condensation inside AllSky Camera |
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| 2024-10-10 19:09 UT (20:09 BST) Brightening of sky across entire southern sky View above 15-20° altitude continues to be affected by condensation inside AllSky Camera |
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| 2024-10-10 20:53 UT (21:53 BST) Major brightening of sky in eastern direction View impacted by neighbour's outdoor light |
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| 2024-10-10 21:03 UT (22:03 BST) Major brightening of sky in eastern direction View continues to be impacted by neighbour's outdoor light & condensation inside AllSky Camera |
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| 2024-10-10 22:49 UT (23:49 BST) Aurora rays in SW-W sky, best seen in Southern Sky Video . Light from Aberdeen City reflecting off clouds in SSW direction. |
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| 2024-10-10 23:12 UT (00:12 BST) Distinct aurora rays in ESE-SW sky, Rays likely present across entire southern sky but hidden by condensation. AllSKy Camera's Condensation lifting to around 20-35° altitude |
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| 2024-10-10 23:14 UT (00:14 BST) Aurora brightening |
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| 2024-10-10 23:18 UT (00:18 BST) Major brightening event across entire southern sky reaching to 60-65° altitude |
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| 2024-10-10 23:22 UT (00:22 BST) Major brightening event heading to zenith and northwards |
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| 2024-10-10 23:28 UT (00:28 BST) Continuation of major auroral activity, auroral rays stretching to zenith |
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| 2024-10-11 00:11 UT (01:11 BST) Aurora dimming, but rays still evident in eastern and western directions |
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| 2024-10-11 00:28 UT (01:28 BST) Aurora display in eastern & western sky |
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| 2024-10-11 00:43 UT (01:43 BST) Aurora display in eastern sky / close to constellation of Orion Light from Aberdeen City reflecting off clouds in S-SSW direction. |
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| 2024-10-11 00:49 UT (01:49 BST) Moving auroral bands in ESE-SE sky , best seen in Southern Sky Video |
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| 2024-10-11 01:38 UT (02:38 BST) Aurora glow in eastern and western sky Glow in southern sky is likely just light reflecting off clouds from Aberdeen City |
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| 2024-10-11 02:36 UT (03:36 BST) Auroral rays / activity in western sky. Cloud covering the eastern sky. Light from Aberdeen City reflecting off clouds in S-SW direction. |
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| 2024-10-11 02:52 UT (03:52 BST) Auroral activity continuing in eastern, western and south/zenith directions. Light from Aberdeen City reflecting off clouds in S-SSW direction. |
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| 30s exposures taken with Oculus All Sky Camera |
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| Video: AllSky View, 9.5 hr period 2024-10-10 18:15 to 03:45 UT (19:15 to 04:45 BST) Frames #1966901 to 1968000 |
| Link to .mp4 video file (5.4 MB) |
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| Video: North panoramic view, 11.25 hr period 2024-10-10 18:15 to 05:30 UT (19:15 to 06:30 BST) Frames #1966901 to 1968202 |
| Link to .mp4 video file (11.0 MB) |
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| Video: South panoramic view, 9.5 hr period 2024-10-10 18:15 to 03:45 UT (19:15 to 04:45 BST) Frames #1966901 to 1968000 |
| Link to .mp4 video file (9.1 MB) |
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| Magnetometer Stack Plots from Scandinavia
(ordered by latitude) H Component - 2024-10-10 / 2024-10-11 Activity on 2024-10-10 / 11 between 15:15 and 07:30 UT with peak activity at around 23:30 UT Note: Geomagnetometer activity at rvk (Rorvik, 64.95N), dob (Dombas, 62.07N), sol (Solund, 61.08N) and kar (Karmoy, 59.21N) stations are used as indicators for potential auroral activity that may be visible from my Observatory situated at latitude 57.32N (Map of Stations) |
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Graphed using 'make your own graph' facilities at
https://flux.phys.uit.no/compose/ (Tromsų Geophysical
Observatory ) Original data from Tromsų Geophysical Observatory (TGO), DTU Space (Technical University of Denmark) and Finnish Meteorological Institute (FMI) Data also displayed on SpaceWeatherLive's Europe Stackplot at http://www.spaceweatherlive.com/en/auroral-activity/magnetometers). |
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Estimated 3 hour Planetary K-Index (NOAA) (from http://services.swpc.noaa.gov) Planetary-k-index_2024-10-10 / 2024-10-11 Not captured |
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SAMNET's magnetometer at Crooktree, Near Torphins
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Explanation) - Magnetometer activity on the night 2024-10-10 / 2024-10-11. showing very high activity all night with peak activity at 00:00 & 02:00 UT. |
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8-day Lerwick Observatory K Index Showing max KP8- KP9 on the night of 2024-10-10 / 2024-10-11. |
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Planetary K-Index and other information (Space Weather
Prediction Centre) shows KP Index reaching max KP8-KP9 on night of 2024-10-10 / 2024-10-11 |
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Aurora Forecast for 2024-10-10 23:31 UT (00:31 BST) (From Space Weather Prediction Centre, http://www.swpc.noaa.gov ) |
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| This Web Page: | Aurora - 2024-10-10 / 2024-10-10 |
| Last Updated : | 2024-10-27 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
