M57- The Ring Nebula

M57- The Ring Nebula More
M57- The Ring Nebula M57 - The Ring Nebula in Lyra

L(Ha)-R(Ha):G:B combination.
L=600min Ha=1800min R=600min G=600min B=600min

Telescope: DK-Astrograph 12.5" F/7,8
CCD: SBIG ST-10XME
Mount: MOFOD - Gemini Telescope Design


Località: Trivolzio (PV)

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