David's Astronomy Pages (All Sky Camera) Contrail 2023-03-27 / 2023-03-28

Aurora  2023-03-23

Aurora Page

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Aurora 2023-04-21

Aurora

Notes

Pictures Videos

- During geomagnetic storm on 2023-03-23 / 2023-03-24 a particular feature like a moving tsunami wave was noted passing over zenith. This was originally interpreted to be part of the aurora display. Whilst briefly considered to also be a contrail, this was dismissed as its appearance didn't corrrespond to the passage of any visible aircraft and its direction of movement (southwards) was opposite to the direction in which clouds were moving (northwards)      -

Pictures

Feature seen at 2023-03-23 20:14 UT during period of Auroral Activity

AllSky View - Selected frames from Difference Frame video 2023-03-28 Frames show difference between two consecutive 30s exposures taken with Oculus All Sky Camera

2023-03-28 04:44 UT Aircraft approaching from east

2023-03-28 04:46 UT Aircraft moving westwards across the sky (lights flashing every 1.4s) and leaving a contrail in its wake.

2023-03-28 04:48 UT Aircraft beginning to disappear towards western horizon Contrail fully developed.

2023-03-28 04:48 UT Contrail moving southwards (Satellite tracks also visible)

2023-03-28 05:05 UT Contrail continuing to move southwards (several satellite tracks visible)

2023-03-28 05:15 UT Contrail still visible 30 minutes after formation.

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 Videos

See also Video : AllSky view (normal image) of same 35 minute period, 1.7 MB.

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