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Partial Solar Eclipse in Aachen:
Start: Sa, 29. Mar 2025, 11:17 am
Maximum: Sa, 29. Mar 2025, 12:09 pm (0.324 Magnitude)
End: Sa, 29. Mar 2025, 13:01 pm
Duration: 1 h 45 m

Setup: Fujifilm XT3 with FUJINON XF18-55mmF2.8-4 R LM OIS with fixed tripod and Baader Foil to protect the camera (sensor/chip)

Aberture Number: F/4
Exposure: 1/320 sec
ISO: 1250
Focal Length: 55mm

Bulk processed in RawTherapee 5.11

Because I almost missed it I wasn't prepared at that morning and had to cut a solar filter for my lens and check if my accumlators/batteries were charged. I got outside and started at 11:41:08 and took 4168 images till 12:51:37 because the SD card was full (4166 images). The camera was checked at 12:21with an interuption of half a minute and then reset at 12:33 for another half of a minute so that the sun is again in frame.

This time lapse is done with python (the code is written by myself) showing a video with 30fps and covers a time of about 70 minutes during the eclipse (so, half an our is missing for capturing the whole event).

Some light flashes (reddish color while sun is behind clouds) might be technically/electronically because taking images every second. The pink color is a result because of using a bader foil in front of the lens to protect the chip/sensor from intense sunlight. Because the Baader Foil is reflective (like aluminium foil) internal reflection between lens and foil is visible too (you will notice that as a moving arch).

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