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The whole Sun. Some idea of the inclination of the Sun's axis can be gleaned from the fact that the spot group 11542 is at about 15° south, and spots 11538, 11540, and 11544 are all between 10° and 20° south, and spots in the north are all between about 12° and 22° north. They all seem to be rather weak affairs and contrast is not good. Date and Time: 10 August 2012 08:33 UT Camera: DMK 21AF04 Telescope: 270 mm SLR Capture: ICCapture. Exposure 1/1757", gain 542, 3349 frames Processing: Registax6. 150 frames stacked. Wavelets 1-2=10, histogram 20-215. |
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This is group 11543, the largest group visible today. This picture is minimally enhanced. Move your mouse pointer over the image to see a more-aggrssively enhanced picture which brings out more clearly detail in the penumbral regions. Date and Time: 10 August 2012 09:41 UT Camera: DMK 21AF04 Telescope: LX200-10 with Astronomik CLS filter Capture: ICCapture. Exposure 1/436", gain 347, 3356 frames Processing: Registax6. 1 alignment point, 150 frames stacked. Main image: Histogram 20-200, wavelets 1-2=10 Mouseover: Gaussian wavelets Scheme 4, denoise factor 300 |
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Sunspot group 11542. Move your mouse pointer over the image to see a more-aggressively enhanced image. Date and Time: 10 August 2012 09:38 UT Camera: DMK 21AF04 Telescope: LX200-10 with Astronomik CLS filter Capture: ICCapture. Exposure 1/436", gain 347, 3373 frames Processing: Registax6. 2 alignment points, 150 frames stacked per alignment point. Main image: Histogram 50-200, wavelets 1-2=10 Mouseover: Gaussian wavelets Scheme 4, denoise factor 300. |
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Sunspot group 11544. Move your mouse pointer over the image to see a more-aggressively enhanced image. Date and Time: 10 August 2012 09:06 UT Camera: DMK 21AF04 Telescope: LX200-10 with Astronomik CLS filter Capture: ICCapture. Exposure 1/436", gain 347, 3373 frames Processing: Registax6. 2 alignment points, 150 frames stacked per alignment point. Main image: Histogram 50-200, wavelets 1-2=10 Mouseover: Gaussian wavelets Scheme 4, denoise factor 300. |
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Sunspot group 11538. This group is approaching the eastern limb. Date and Time: 10 August 2012 09:01 UT Camera: DMK 21AF04 Telescope: LX200-10 with Astronomik CLS filter Capture: ICCapture. Exposure 1/436", gain 347, 3392 frames Processing: Registax6. 2 alignment points, 150 frames stacked per alignment point. Histogram 35-170, wavelets 1-2=10. Focus Magic factor 4 |
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Sunspot group 11537. A tiny spot. Date and Time: 10 August 2012 09:01 UT Camera: DMK 21AF04 Telescope: LX200-10 with Astronomik CLS filter Capture: ICCapture. Exposure 1/436", gain 347, 3356 frames Processing: Registax6. 1 alignment point, 150 frames stacked. Histogram 90-185, Gaussian wavelets Scheme 4 |
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