Challis

Origin of the name

James; British astronomer, mathematician, physicist (1803-1882).

When to observe it

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Nearby

• Main 40 km
• Scoresby 64 km
• Gioja 119 km
• De Sitter 158 km
• Euctemon 168 km
• Byrd 177 km
• Meton 196 km
• Mouchez 208 km