NEW WEBSITE: https://tms-astro.eu/
A friend of mine and I made a book about our Messier observations. Basically it is an album that contains our photos and sketches of the Messier objects including a short description of all of them. You can download it for free from the link below:
https://vcse.hu/online-visual-messier-guide-online-vizualis-messier-kalauz-horvath-t-varga-gy/