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CCD Image Notes - Session 109
(2006-01-03)

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Notes from CCD Session 109 (S00109)
 
Bullet Sky Condition Graph
Bullet Comparison of 2x2 vs 1x1 binning
Bullet Use of Log brightness scaling / False Colour by highlighting detail in faint galaxies
 
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Goto Images from 2006-01-03


Sky Condition Graph

Sky Conditions Chart (S109)
Image

   

Image
Image

Notice 
1)  

See explanation of these graphs

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Comparison of 2x2 vs 1x1 binning

The impact of just a light dew / condensation on ability to image a faint galaxy is shown by the following frames of irregular galaxy NGC 1156.

Binning Comparison - M74

Image  Image
CCD Image - Log brightness scaling, False Colour 
(1x1 binning)
 

5 x 2 min (average combine), clear filter
2006-01-03 19:57h UT (#109085-89)

CCD Image - Log brightness scaling, False Colour 
(2x2 binning, enlarged)

5 x 2 min (average combine), clear filter
2006-01-03 22:04h UT (#109168-72)

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This Web Page: CCD Image Notes - (2006-01-03)
Last Updated : 2015-05-16
Site Owner : David Richards
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