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ZWO Seestar S30 Desktop
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

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.