Jupiter and Io
Saturday, November 05th 2011 - 23:36 (UTC) - focal ratio f/25
Io is hovering just in front of the GRS.
equipment used
Basler Ace acA640-100gm
40 cm Dobson made by Rik ter Horst
Basler Ace acA640-100gm
40 cm Dobson made by Rik ter Horst