Mercury August 18th 2025
Good seeing condition and transparency.
A comparison with the Messenger image – WinJupos simulation – shows a good match for the areas as highlighted in the picture.
The dark double crater in the North region is Rachmanioff, whereas the bright region in lower zone is Nathair Facula.
Setup: C14 Edge HD, Fornax52, Player One Uranus-M camera, Barlow Zeiss, Astronomik IR>807nm
Diam.:7.7 arcsec
h=55°
Elong.:18.5°W
Agerola-Amalfitan Coast-Italy