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This image is a composite of two full disk images, one exposed for the flares and one for the surface detail. Each of those is a composite of digital images ot make up the full disk.
When photographing the sun in Hydrogen Alpha wavelength it becomes tricky to get both flare and surface detail, as the brightnessof the flares are significantly less than the surface.
This image was taken with the Hydrogen Alpha filter owned by the
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This image is a composite of two full disk images, one exposed for the flares and one for the surface detail. Each of those is a composite of digital images ot make up the full disk.
When photographing the sun in Hydrogen Alpha wavelength it becomes tricky to get both flare and surface detail, as the brightnessof the flares are significantly less than the surface.
This image was taken with the Hydrogen Alpha filter owned by the Astronomical Socity of Western Australia, thanks to them for the loan of this expensive filter.
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| Aperture: | 80mm | | Date: | 2004 |
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