14.05.2013 M51 Galaxy with Boren Simon 20 cm F/ 3.9. Camera: Moravian G2-4000 . Exp: L 60 min - 40 min each Rgb channels with Baader filters Bin. 1x1 -25°. Location: "Torre Doganiera Farm" Pievescola (Tuscany - Siena) . S. Gasparini; Full resolution picture : www.astrobook.it