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Measuring Differential Solar Rotation Speeds

PhotoGav

By PhotoGav
in Imaging - Solar

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PhotoGav

PhotoGav

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I have been working on taking images of the Sun while it has some obvious active regions and overlaying a Stonyhurst disc to allow my astronomy GCSE pupils to calculate the different speeds of rotation at varying solar latitudes. Here are the images: 

 

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1575826447_2021-04-25-A.thumb.png.e47c0f4b44bcc285f53bf26b0134c793.png1810983741_2021-04-25-B.thumb.png.85aec1bce3202245e0679584b57fe44e.png

 

I look forward to seeing what values you all get!

Images taken through a Lunt LS50THa with Double Stack, using a Point Grey Chameleon3 camera.

Isn't it wonderful to see some decent solar activity at loooooong last!

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