M15.
This image was acquired in "Les Jurans" near Bellafaire, South-Franceduring two nights: 10-11 October and 11-12 October 2004. I used my Takahashi FS-128 at f/6 and my SBIG ST-10XME. Total time for luminance was 90 minutes, RGB were each 30 minutes.
06/09/1999 with my 190/200/760 FFC and ST7, 15 m exposure.
26 September 2000 with my Takahashi CN212, Newton configuration 212 mm f/3.9. ST-8, 5 m exposure.