da-fits

Provides FITS I/O with Dask Arrays.

As per Astropy issue #11159, dask arrays cannot be written right now when using dask.distributed

Installation

pip install dafits

Usage

from distributed import Client
from dafits import getdata, getheader, writeto

with Client() as client:
    # Get a dask array from an existing file
    filename = "image.fits"
    da_array = getdata(filename)
    header = getheader(filename)

    # Write a Dask array to FITS
    # This is the magic function that does not work with
    # regular astropy.io.fits
    writeto("output.fits", da_array, header)

License

da-fits is distributed under the terms of the MIT license.