GSO 305 mm - Canon T3 - 10 x 2 min (20 min) - ISO 800 - OAG - Skyglow filter - Coma corrector
wide field larger than 200k - Only by the link
http://astronomia-e-astrofotos.10697...84-wide-k9.jpg
note: there was a mistake with the name of cluster. The actual name is NGC 6584. I did the correction inside of photo and title of this topic. Because the link the file name wasn't corrected although