Ritchey

Origin of the name

George Willis; American astronomer, optician (1864-1945).

When to observe it

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Nearby

• Burnham 92 km
• Hind 103 km
• Anděl 118 km
• Halley 124 km
• Albategnius 133 km
• Vogel 144 km
• Dollond 178 km
• Klein 179 km