# Program to get SDSS RGB images from an input table file

import os
import urllib

# Change to directory where script is located
abspath = os.path.abspath(__file__)
dname = os.path.dirname(abspath)
os.chdir(dname)

catfile = open('UDGs.txt','r')

for line in catfile:
	Name, RA, Dec = line.split()
	
	os.mkdir(Name)
	
	urlprefix = 'http://skyserver.sdss.org/dr13/SkyServerWS/ImgCutout/getjpeg?TaskName=Skyserver.Chart.Image&ra='
	
	url = urlprefix+str(RA)
	url = url+'&dec='+str(Dec)+'&width=512&height=512&scale=0.4'
	
	imname = Name+'_RGB.jpg'
	
	image = urllib.URLopener()
	image.retrieve(url,str(dname)+'/'+Name+'/'+str(imname))