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"""
Example 10
++++++++++
Retrieve Hubble archival data of M83 and make a figure
"""
from astroquery.mast import Mast, Observations
from astropy.visualization import make_lupton_rgb, ImageNormalize
import matplotlib.pyplot as plt
import reproject
result = Observations.query_object('M83')
selected_bands = result[(result['obs_collection'] == 'HST') &
(result['instrument_name'] == 'WFC3/UVIS') &
((result['filters'] == 'F657N') |
(result['filters'] == 'F487N') |
(result['filters'] == 'F336W')) &
(result['target_name'] == 'MESSIER-083')]
prodlist = Observations.get_product_list(selected_bands)
filtered_prodlist = Observations.filter_products(prodlist)
downloaded = Observations.download_products(filtered_prodlist)
blue = fits.open(downloaded['Local Path'][2])
red = fits.open(downloaded['Local Path'][5])
green = fits.open(downloaded['Local Path'][8])
target_header = red['SCI'].header
green_repr, _ = reproject.reproject_interp(green['SCI'], target_header)
blue_repr, _ = reproject.reproject_interp(blue['SCI'], target_header)
rgb_img = make_lupton_rgb(ImageNormalize(vmin=0, vmax=1)(red['SCI'].data),
ImageNormalize(vmin=0, vmax=0.3)(green_repr),
ImageNormalize(vmin=0, vmax=1)(blue_repr),
stretch=0.1,
minimum=0,
)
plt.imshow(rgb_img, origin='lower', interpolation='none')
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