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CCD Images - Session 193 (2007-04-28)

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Objects Session Notes
Bullet Sunspot 953              
Bullet Sunspot 953 (from 1 day earlier)
- 1.6 hr session
- CCD operation of -5 degC (at 57% average cooling). .
- main objective was to acquire images of Sunspot Group 953, which has been evolving since previous day.
- More Notes
-

Sunspot 953

Sunspot 953 - Visible Light
2007-04-28

Sunspot Group through Solar Filter + V Filter
[ see equivalent SOHO/MDI Image for 2007-04-28
Image
CCD Image 
0.11s exposure, 1x1 binning, Solar Filter + V filter  
2007-04-28 15:01h UT (#193161)
 
Sun Spot 953 - False Colour
Image
False Colour CCD Image (65% size)
0.2s exposure, 1x1 binning, Solar Filter + V filter  
2007-04-28 14:08h UT (#193019)
 
Image
Image
False Colour CCD Image (65% size)
0.11s exposure, 1x1 binning, Solar Filter + V filter  
2007-04-28 14:36h UT (#193132)
 
Image processed picture showing granulation of sun's surface
Image  
CCD Image
0.11s exposure, 1x1 binning, Solar Filter + V filter  
 (200% size, cropped)
2007-04-28 14:36h UT (#193132)
Image
CCD Image
0.11s exposure, 1x1 binning, Solar Filter + V filter  
200% size, cropped, high contrast
2007-04-28 15:23h UT (#193189)

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Sunspot 953 (from 1 day earlier)

Sun Spot 953  - Visible Light
2007-04-27

Sunspot Group through Solar Filter + V Filter
visible features : 
Umbra
: The darkest, coolest portion of sunspot.  
Penumbra: lighter colored halo surrounding the central umbra
[ see equivalent SOHO/MDI Image for 2007-04-27
Image
Previous Day CCD Image (65% size)
0.5s exposure, 1x1 binning, Solar Filter + V filter  
2007-04-27 11:38h UT (#192042)
 
Sun Spot 953 - detail
Image
Previous Day CCD Image 
0.5s exposure, 1x1 binning, Solar Filter + V filter  
2007-04-27 11:37h UT (#192038)

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This Web Page: CCD Images - Session 193 (2007-04-28)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site