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Sun in White Light (2024mar28)

Moon at 98.4% phase Moon at 98.4% phase ©2024 Frederick Steiling
Image Links
Full resolution
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Target Information
Main Target Designation(s) Sun
Exposures
One-shot Color 50 x 1/8000s
Date(s) of acquisition 2024Mar28
Location Kirkwood, MO
Equipment
Imager Olympus Air A01
Telescope/Lens Orion 8" f/3.9 Astrograph
Focal Length 800mm (f/3.9)
Mount Celestron CGEM
Focuser Moonlite 2" CR
Accessories
Coma Corrector Baader MPCC Mk III
Focusing Moonlite V2 Controller
Software
Acquisition Custom Python Script via WiFi
Processing AutoStakkert 3, Registax 6, PixInsight 1.8, Photoshop CC

With the 2024 solar eclipse drawing near, the timing was perfect under clear daytime skies to take a peek at the sun through a white light filter -- and am I glad I did! Solar activity has increased quite a bit since the last solar eclipse in 2017, and this is well-evidenced by a fabulous set of sunspots, most particularly in the sunspot group 3615 (AR13615) which released a huge X-class flare just hours after this image was taken.

With the white light filter, I am able to perfectly tune expected exposure times that I'll use during the partial phases of the upcoming eclipse. Despite the density of the solar film, I still require extremely fast exposures at 1/8000s. This speed turns into benefit as the shorter exposure times tend to cut through any atmospheric disturbances just a bit better, and this is proven by the great detail I was able to grab across the disc and within the marvelous sunspots on display.

As anticipation for the solar eclipse grows, I can only hope this is a perfect sign that we'll have fabulous prominences behind the outer edges of the moon during totality.

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