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Meaning of "Sky" value

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roe's picture
Joined: 2010-07-25

When one looks at the "View Photometry Report" in VPHOT, there is a table with a column headed "Sky."  What is that reporting?

Jim Roe [ROE]

sky value
HQA's picture
Joined: 2010-05-10

The sky value in the report is the median value of each sky pixel inside of the sky annulus.


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