Quite an impressive shot, that. If you look really close up by zooming in, there's more in that picture than initially meets the eye. If you look carefully at the noise in the piccie, there are areas which appear to have a lot more structure and definite shape than the overall noise. I'd say they're probably even fainter objects at very great distance beyond those red ones.
Quite a few BCD's in the piccie (Blue Compact Dwarf galaxies).
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