David's Astronomy Pages (All Sky Camera) Aurora on night  2019-01-31 /  2019-02-01

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Aurora 2019-02-01

Aurora	Notes
Pictures Videos Summary Plot Magnetometer Stack Plots (for reference) Planetary K-Index Plot (for reference) Aurora Forecast, NOAA/Ovation (for reference)	- Aurora display in NE Scotland - Activity observed from 21:23 to 23:35 hUT  (Kp5). - Peak of activity at ~22:20 -   - Telescope Images from 2019-01-31 >> -

Pictures

Panoramic View - Northern Sky

2019-01-31 21:31h UT (GMT) Aurora developed on N horizon, auroral arc + some vertical rays

2019-01-31 21:31h UT (GMT) Arc brightening , bright area developing

2019-01-31 21:56h UT (GMT) Second arc now developing. Curtains moving along horizon on lower arc.

2019-01-31 22:04h UT (GMT) Arc brightening and increasing in altitude. Some brighter rays

2019-01-31 22:10h UT (GMT) Two bands, both particularly bright in the NNW sky, curtains moving along horizon

2019-01-31 22:21h UT (GMT) Upper band separating on increasing in altitude .  Lower band/curtain in NW sky. Close to peak activity.

2019-01-31 22:36h UT (GMT) Upper band weakening. Lower band lowering in altitude.

2019-01-31 22:52h UT (GMT) Two arcs/bands still visible but activity and brightness now weakening.

2019-01-31 23:23h UT (GMT) Activity dying away. Aurora still visible in this image at 23:23, but disappears by 23:35.

Panorama views of northern sky converted from original fish eye images 30s exposures taken with Oculus All Sky Camera

Fish-Eye View of Aurora  2019-01-31 22:21h UT (GMT) -  Close to peak activity.

30s exposure taken with Oculus All Sky Camera

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 Videos

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Night Summary Plot

Night Summary Plot - North Sky (2019-01-31 / 2019-02-01) Times on plot are local GMT times (= UT time) Whiteouts in image are due a security light at a nearby building site

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Magnetometer Stack Plots (for reference)

Magnetometer Stack Plots from Scandinavia (ordered by latitude) H Component - 2019-01-31 / 2019-02-01 Original data from Tromsø Geophysical Observatory (TGO), DTU Space (Technical University of Denmark) and Finnish Meteorological Institute (FMI, displayed on SpaceWeatherLive http://www.spaceweatherlive.com/en/auroral-activity/magnetometers). 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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Planetary K-Index Plot (for reference)

Estimated 3 hour Planetary K-Index (NOAA) (K indices of 5 or greater indicate storm-level geomagnetic activity around earth)  (from http://services.swpc.noaa.gov)

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Aurora Forecast, NOAA/Ovation (for reference)

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