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README

Matt Mechtley - Aug 2013 - https://github.com/mmechtley
Python programmatic interface to the NASA/IPAC Extragalactic Database (NED)
Galactic Extinction Calculator. This module builds an HTTP request based on the
user-supplied coordinates and parses the response HTML to extract A_lambda
values for the specified filters.

Original web form version:
http://ned.ipac.caltech.edu/forms/calculator.html

Installation:
-------------
Standard:
python setup.py install

Using a non-standard library location (e.g. Dropbox):
python setup.py install --prefix=~/Dropbox/Python

Example Usage:
--------------
from ned_extinction_calc import request_extinctions

ra, dec = '11:48:16.64', '+52:51:50.3'

filts = ['WFC3 F125W', 'WFC3 F160W']
A_lams = request_extinctions(ra, dec, filters=filts)

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Query Milky Way dust extinction values from the NASA/IPAC Extragalatic Database

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