ARG0000m4p
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How come there is no data for this image within the SDSS footprint. Prominent in image itself! In WISE this seems to be a WAT.
Are there some images out of reach for the SLOAN at the time? They still make it into the batch though.Just curious!
Leonie
Posted
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by JeanTate in response to leonie_van_vliet's comment.
The sky coverage of SDSS is not the same as that of FIRST; specifically, SDSS avoids the (Milky Way) galactic plane but FIRST does not. There's a nice graphic showing the SDSS sky coverage somewhere, but I have been unable to find it just now (I'm not in my "home" computing environment); it will likely show this part of the sky is outside the SDSS footprint.
Hope this helps, and happy hunting! 😃
Posted
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Aha, thanks Jean,
"The sky coverage of SDSS is not the same as that of FIRST; specifically, SDSS avoids the (Milky Way) galactic plane but FIRST does not."
Got it! 
Leonie
Posted