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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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