Messier 13



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Takahashi CCA-250 (f/5)
FLI Proline 16803
Astronomik Filter: R/G/B 36/36/36 (min)



Click for full size

Takahashi CCA-250 (f/5)
FLI Proline 16803
Astronomik Filter: R/G/B 36/36/36 (min)

Takahashi CCA-250 (f/3.6)
Moravian G2-8300
Astrodon Filter: L 90 (min)