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CCD Images - Session 194 (2007-04-30)

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Objects Session Notes
Bullet Sun
Bullet Sunspot 953              
Bullet Earlier Pictures of Sunspot 953
Bullet Moon (from later in evening)
           
           
         
- 0.5 hr session
- CCD operation of -5 degC (at 58% average cooling). .
- main objective was to acquire images of Sunspot Group 953, to see how it had developed since 2 days earlier
- More Notes
-

Sun

Sun -  Visible Light
2007-04-27
Image
CCD Image Mosaic (60% size)
0.11s exposure, 2x2 binning, Solar Filter + V filter  
2007-04-30 17:05h UT (#194005-16)
[ Full Size Image ]

[ see equivalent SOHO/MDI Image for 2007-04-30
 
Sun  - False Colour
2007-04-27
Image
False Colour CCD Image (60% size)
Image Details as above
  
Sun  - Visible Light
Montage of Images 2007-04-27 to 2007-05-06
Image
CCD Image Mosaic (60% size)
0.11s exposure, 2x2 binning, Solar Filter + V filter  
2007-04-30 17:05h UT (#194005-16)
with inserts from
2007-04-28 15:01h UT (#193161)
2007-04-27 11:38h UT (#192042)
2007-05-06 08:43h UT (#195017)
[ Full Size Image ]

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Sunspot 953

Sun Spot 953

Sunspot Group through Solar Filter + V Filter
[ see equivalent SOHO/MDI Image for 2007-04-30
Image
CCD Image  (cropped)
0.11s exposure, 1x1 binning, Solar Filter + V filter  
2007-04-30 17:16h UT (#194022)
 
Image processed picture showing granulation of sun's surface
Image
CCD Image
0.11s exposure, 1x1 binning, Solar Filter + V filter  
200% size, cropped, high contrast
2007-04-30 17:16h UT (#194022)

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Earlier Pictures of Sunspot 953

Sun Spot 953 on 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)
 
 Sunspot 953
2007-04-28
Image
CCD Image (65% size)
0.11s exposure, 1x1 binning, Solar Filter + V filter  
2007-04-28 14:36h UT (#193132)
 
Sunspot 953
2007-04-28
Image  
CCD Image
0.11s exposure, 1x1 binning, Solar Filter + V filter  
 (200% size, cropped)
Image processed picture showing granulation of sun's surface
2007-04-28 14:36h UT (#193132)

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Moon (from later in evening)

Moon, 2007-04-30  (97% Phase)

Image 

Digital Photo (EOS 400D)
1/60s, f/8, ISO 400, 300mm (75% size, cropped)
Digitally enhanced
2007-04-30 20:22 hUT

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This Web Page: CCD Images - Session 194 (2007-04-30)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site