X-Ray

Sunflower X-ray photos revisited

How to show the sun in the middle of a sunflower ? For astronomers it is quite common to look at the sun in hydrogen alpha light, which is a pure red at 635nm. With artistic eyes, a red center might be overdone.

So I tried two different representations, one in BW that is close to the natural look and feel of a sunflower and one with a light blue in the center as complementary color to the yellow petals.

This sunflower is a fusion photo of X-ray, monochromatic Hα light of the sun converted to BW and a sunflower on a lightbox. © Julian Köpke
This sunflower is a fusion photo of X-ray, monochromatic Hα light of the sun converted to blue and a sunflower on a lightbox. © Julian Köpke

The surface structure of our sun can be seen like astronomers see it.

There is no photo of the next digital X-ray image of a sunflower with its stalk and a leaf:

Digital X-ray photo of a sunflower (inverted representation). © Julian Köpke

I like to make things visible the naked eye isn't able to see. That's part of my profession as a radiologist, too.

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