I think you guy's just overloaded my brain, i can't stop thinking about black holes now,
Is it possible for an amateur to detect any of the effects of a black hole? It seems to me that possibly we could see the effect of gravitational lensing.
This link has some animations and video of the centre of the milky way taken over 16 years
http://www.eso.org/public/outreach/p...hot-46-08.html