How to clean a telescope mirror - I am testing a new method!

Two years sience I cleaned my mirror, this time, I am testing a method which Astrosysteme Austria reccomends. The video of the first method i tested can be found here:    • Telescope mirror cleaning (and re-marking ...   My gear: Telescope mount: Astro System Austria (ASA) DDM 85 Telescope: Teleskop Service N-AG 10 (10" carbon fiber astrograph) with 3" Feather touch focuser and a 3" Riccardi coma corrector / reducer Filter Wheel: Starlight Xpress with 36mm Astrodon filters Camera: ZWO ASI 2600MM If you like my videos, please subscribe on my channel. You could also visit my facebookpage @ www.facebook.com/exophotograph