Hydra
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Messier Objects in Hydra:
M48,
M68,
M83
Constellation index
More on constellation Hydra (Christine Kronberg)
More on Hydra (Chris Dolan)
Digital images - Constellations Sextans and Hydra page
(T. Credner/S. Kohle)
[
unframed version] (No Messier Objects visible)
Jan Wisniewski's Constellation Hydra page
Constellation Hydra page (Hawaiian Astronomical Society)
Hartmut Frommert
Christine Kronberg
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