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Notes from CCD Session 109 (S00109) Sky Condition Graph Comparison of 2x2 vs 1x1 binning Use of Log brightness scaling / False Colour by highlighting detail in faint galaxies >
Sky Conditions Chart (S109) |
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Notice |
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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 |
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CCD Image - Log brightness scaling, False
Colour (1x1 binning) 5 x 2 min (average combine), clear filter |
CCD Image - Log brightness scaling, False
Colour (2x2 binning, enlarged) 5 x 2 min (average combine), clear filter |
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This Web Page: | CCD Image Notes - (2006-01-03) |
Last Updated : | 2015-05-16 |
Site Owner : | David Richards |
Home Page : | David's Astronomy Web Site |