M11, in the constellation of Scutum, is one of the richest and densest known open clusters: it contains in fact about 2900 verified components; among these, around 400 are brighter than magnitude 14.
It is 6000 light years from Earth and has an estimated age of 250 million years.
Optic Tecnosky Apo Refractor 115 - 800mm f/6.9
Mount Losmandy G11 with Ovision wornm gear and FS2
Camera Atik 4000 with Starlight external filter wheel 5 positions
Filters Baader RGB 50.8 unmounted
Guiding system TSOAG 9mm
Exposure details R 5x300" bin1 -20C
G 5x300" bin1 -20C
B 4x300" bin1 -20C
Total integration 1.2h
Acquisition Maxim, PHD2
Processing Maxim, Photoshop CS5
Location Pian dell'Armà (Pavia, Italy)
Date 6 July 2013