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Original price $ 0.00 - Original price $ 0.00Original price$ 0.00$ 0.00 - $ 0.00Current price $ 0.00Explore Alliance Presents: How Do You Know? – Episode #1: What Shape is the Moon?
Daniel BarthDr. Barth elaborates on one of the persistent problems with standards-based STEM curriculum is the emphasis upon the Learn, Believe, Repeat method...
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Original price $ 179.00 - Original price $ 179.00Original price$ 179.00$ 179.00 - $ 179.00Current price $ 179.00OPTOLONG 1.25" L-eNhance Deep-Sky Light Pollution Filter
OptolongThe L-eNhance is a three-band filter and ideal for strong suppression of light pollution. It enables astrophotos of objects with narrow-band emissi...
View full detailsOriginal price $ 179.00 - Original price $ 179.00Original price$ 179.00$ 179.00 - $ 179.00Current price $ 179.00Sold out -
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Original price $ 149.00 - Original price $ 149.00Original price$ 149.00$ 149.00 - $ 149.00Current price $ 149.00OPTOLONG 1.25" L-Pro Deep-Sky Light Pollution Filter
OptolongThe L-Pro broadband filter is the ideal choice for suppressing light pollution from artificial light and enables astrophotos of broadband emission ...
View full detailsOriginal price $ 149.00 - Original price $ 149.00Original price$ 149.00$ 149.00 - $ 149.00Current price $ 149.00Sold out -
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Original price $ 199.00 - Original price $ 199.00Original price$ 199.00$ 199.00 - $ 199.00Current price $ 199.00OPTOLONG 2" L-Pro Deep-Sky Light Pollution Filter
OptolongThe L-Pro broadband filter is the ideal choice for suppressing light pollution from artificial light and enables astrophotos of broadband emission ...
View full detailsOriginal price $ 199.00 - Original price $ 199.00Original price$ 199.00$ 199.00 - $ 199.00Current price $ 199.00Sold out
