Sunspots AR 4478 & 4479 [Image Corrected!]
Taken by Sylvain Weiller on June 30, 2026 @
Jerusalem, Israel
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: Unavailable
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Details:
Both sunspots are barely fitting on the Player One Saturn M SQR sensor (I had to turn the camera diagonally) using: Cosmos Achromatic Refractor 152 / 900 (FC 5.9) + 160 mm Altair front D-ERF + Quark Chromosphere. Activity remains very low. SER file 21 GB, Binning=1x1, Bit depth=14bit, ROI=3008x3008 (full sensor) Shutter=3.000ms, Gain=246 (41%), Gamma=1 ... Number of frames selected in AS4 120 of 1157. I have added a detailed view of each group at a faster FPS for better registration with a ROI : Frames captured=2768 FPS (avg.)=46 File type=SER Binning=1x1 Bit depth=14bit ROI=1964x1254 Shutter=3.000ms Gain=237 (39%) Gamma=1... Number of frames selected in AS4 10%. Capture: FireCapture, Processing: Autostakkert!4 with convolution, GIMP to increase visibility of details, SolarGun for colorizing and adding Earth at scale.
Photographer's website:
https://http://sweiller.free.fr/
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