Sus

from PIL import Image
from picamera import PiCamera
from time import sleep
import os
import datetime

from orbit import ISS
location = ISS.coordinates() # Equivalent to ISS.at(timescale.now()).subpoint()
print(location)

dir_path = os.path.dirname(os.path.realpath(__file__))

cam = PiCamera()
cam.resolution = (640, 360)  # max resolution

def get_latlon():
    location = ISS.coordinates()

    cam.exif_tags['GPS.GPSLongitude'] = str(location.longitude)
    cam.exif_tags['GPS.GPSLatitude'] = str(location.latitude)
    print(str(location.latitude))
    print(location.longitude)

index = 0
start_time = datetime.datetime.now()
now_time = datetime.datetime.now()

while (now_time < start_time + datetime.timedelta(minutes=178)):
    get_latlon()
    cam.capture(dir_path+"/img_{}.jpg".format(index))
    x = Image.open(dir_path+"/img_{}.jpg".format(index))
    x = x.convert('RGB')
    brightness = 0
    for X in range(640):
        for Y in range(360):
            pixelRGB = x.getpixel((X,Y))
            R,G,B = pixelRGB
            brightness += sum([R,G,B])/3
    if brightness /(640*360) >= 50 :
        index += 1
    now_time = datetime.datetime.now()