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 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.
|