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Due to the USA–China tariff escalation, we will temporarily not receive additional inventory for Celestron and Sky-Watcher products. As a result, we are unable to accept orders for any out-of-stock items and encourage you to take advantage of the products currently in stock while supplies last.
Due to the USA–China tariff escalation, we will temporarily not receive additional inventory for Celestron and Sky-Watcher products. As a result, we are unable to accept orders for any out-of-stock items and encourage you to take advantage of the products currently in stock while supplies last.

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Shelyak Alpy Calibration Module

by Shelyak
SKU SHK-PF0037
Original price $0
Original price $819.00 USD - Original price $819.00 USD
Original price
Current price $819.00
$819.00 USD - $819.00 USD
Current price $819.00 USD

Description

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The wavelength calibration of a spectrum requires to observe the spectrum of a calibration light – that is of a light with numerous emission lines the wavelength of which is perfectly known. We can place such a lamp in front of the telescope, but the Alpy calibration module makes things much simpler, and thus allows a big productivity.

The Alpy calibration module embeds a Argon-neon lamp, the spectre of which is perfectly known.

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