astrocut:切割fitsfile
from astrocut import fits_cut from astropy.io import fits from astropy.coordinates import SkyCoord input_files=['13co.fits'] center_coord = SkyCoord("285.9131678 5.1650797",unit='deg') cutout_size=[120,120] cutout_file = fits_cut(input_files,center_coord,cutout_size,extension='all',cutout_prefix="cutout_p2381x05y09", verbose=False) plt.imshow(fits.getdata(cutout_file,1))