subtract_bias

ccdproc.subtract_bias(ccd, master)

Subtract master bias from image.

Parameters:

ccdCCDData

Image from which bias will be subtracted.

masterCCDData

Master image to be subtracted from ccd.

add_keywordstr, Keyword or dict-like, optional

Item(s) to add to metadata of result. Set to False or None to completely disable logging. Default is to add a dictionary with a single item: The key is the name of this function and the value is a string containing the arguments the function was called with, except the value of this argument.

Returns:

resultCCDData

CCDData object with bias subtracted.