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For the flat fielding, all frames of objects, sky, standard stars, and comparison are divided by the normalized flat frame.
Figure 34:
Part of the normalized flat frames of -band made by (a) APNORMALIZE task (b) APFLATTEN.
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Figure 35:
Part of the normalized flat frames of -band made by (a) APNORMALIZE (b) APFLATTEN.
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Tae-Soo Pyo
2003-05-29