Payson Aurora
October 10-11, 2024

 
 Another
            nght of activity, this one was more extreme than ever! The Kp
            hit over 8 for half the night from a huge x9 flare, creating
            a G4 storm. Aurora all over the world was seen as far south as
            Florida from this event. The Bz was negative the whole time pulling
            the protons right in. The aurora cam was employed for 5 hours
            of shooting, the early hours were low altitude red aurora and
            later a huge SAR arc formed over that which persisted long after
            the aurora stopped. In this image, you can see both - the lower
            "flames" of the aurora , and a big red SAR arc over
            that. SARS are a different phenomenon that often accompany the
            aurora.
 

            
Select an image size for a larger view:

1400 x 1290

Instrument:  Sigma 8mm f/3.5 fisheye lens
Platform:  tripod
Camera:  Hutech Modified Canon XTi @ ISO800
Exposure:  1m
Filters:  None
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing  8/10, Transparency 2/10
Outside Temperature:  65F
Processing Tools:  Photoshop CS2, Maxim DSLR
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