Tycho
Type: Crater
Size: 86km
Longitude/latitude: 11.2° W, 43.3° S
Age: Less than 1.1 billion years
Best time to see: 1 day after first quarter (22–23 October) or last quarter (7–8 October) and at full Moon (28 October)
Minimum equipment: 50mm refractor
Tycho is one of the most recognisable features on the Earth-facing