Unitron History Project
Preserving the history of Unitron/Polarex telescopes
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Polarex – Unitron Model 900
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«
Hershel Wedge
polarex_herschel_wedge202
By
David Komar
November 1, 2014
November 1, 2014
Full size is
2500 × 1667
pixels
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polarex_herschel_wedge201
polarex_herschel_wedge203
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