Observation by Richard Severn: Total Solar eclipse

Uploaded by

Richard Severn

Observer

Richard Severn

Observed

2026 Aug 12 - 19:28

Uploaded

2026 Aug 15 - 16:45

Objects

The Sun
Eclipse

Equipment

Celestron C11 SCT
ZWO ASI2600MC Pro
Celestron f/6.3 Reducer

Exposure

Approx Shutter=2.875ms Gain=246 (35%)

Location

Sahagun, Spain

Target name

Total Solar eclipse

Title

Total Solar eclipse

About this image

Total solar eclipse high resolution image of chromosphere from Sahagun Spain. Imaged with a Celestron C11 at second contact. A long time ambition to use my C11 during totality.

Files associated with this observation

Pipp2026-08-12-1828_0-U-L-Sun_0185.png (8.1 MB)

Like this image

Jeremy Shears, Dawson, Andy Wilson, Dominic Ford, Miguel Araújo, Grant Privett, Mark Fairfax, Graham Winstanley, Mike Foulkes

Comments

Nick James, 2026 Aug 16 - 08:07 UTC

The image is flipped but excellent resolution. The big prominence was really spectacular. It must have been quite an effort to get a C11 and mount down to Spain but it was definitely worth it.

One problem I found with using CMOS astro imaging sensors (such as the IMX571 that you used here) at previous eclipses is that most of them don't have global shutters. That is not a problem if the conditions are calm but if there is any wind vibration the image turns to jelly since each row is exposed at a slightly different time.

Richard Severn, 2026 Aug 16 - 10:31 UTC

Fortunately the wind dropped by totality, but yes the image resembled jelly when I slewed the scope to capture third contact. Perhaps using the reducer to take the C11 from f/10 to f/6.3 helped the capture. We took a ferry from Plymouth to Santander allowing us to use 3 telescopes and 7 cameras in total. Setup alone took 4 hours!

Nick James

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