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05/28/2023 11:08 p.m. UTC
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First Observation
You and Galileo: 1610 A.D.
Make 10 Observations
Classical Planets
Make 25 Observations
Obscure Objects According to SGL and CN
Double Stars
Make 50 Observations
Beginner Globular Cluster Challenge
All the Planets
Beginner Galaxy Challenge
The Messier Catalog