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American Public University System

Space Studies Research

Richard G. Trefry Archives: Wallace E. Boston Observatory

Images from the APUS Observatory

M102

M102

Supernova in M61

Supernova in M61

Transient Example

Transient Example

Variable Star Example

Variable Star Example

NGC 253

NGC 253

NGC 7727 w/ Crossing Satellite

NGC 7727 w/ Crossing Satellite

NGC 3893

NGC 3893

NGC 3034

NGC 3034

NGC 2683

NGC 2683

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