subtract_bias

ccdproc.subtract_bias(ccd, master, add_keyword=True)[source]

Subtract master bias from image.

Parameters:

ccd : CCDData

Image from which bias will be subtracted.

master : CCDData

Master image to be subtracted from ccd.

add_keyword : str, 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:

result : CCDData

CCDData object with bias subtracted.