Reply To: Last night’s Aurorae

Here is the spectrum time series as a 2D greyscale plot with the intensities of three line extracted (qualitative only, no flux calibration)
I was surprised to find that it was only last year that hyperspectral techniques had first been applied to aurora
https://phys.org/news/2024-08-full-d-spectral-image-aurora.html

Cheers
Robin

• This reply was modified 1 month, 2 weeks ago by Robin Leadbeater.