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Richard G. Trefry Archives: Wallace E. Boston Observatory
Images from the APUS Observatory

M102

Supernova in M61

Quasar SDSS J012205.92+051812.8

Transient Example

Variable Star Example

Quasar SDSS J085222.10+333517.7

NGC 253

NGC 7727 w/ Crossing Satellite

NGC 3893
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