Small script to stack astro photos

astro.py

# -*- coding: utf-8 -*-
import glob
import sys

import numpy as np
from PIL import Image

def readFiles(images):
    loaded = [np.asarray(Image.open(img)) for img in images]
    return np.array(loaded)

if __name__ == "__main__":
    r = np.max(readFiles(glob.glob(sys.argv[1])), axis=0)
    Image.fromarray(r).save("result.jpg")