Leviathan Spectral Pro 2" Light Pollution Filter lunt with a Seestar S50

with a Seestar S50

of approximately the same diameter as your telescope tube

They are stored under the sliding lid at the top of the Telrad

and precision of guide corrections

and capability to store star alignment data

Leviathan Spectral Pro 2" Light Pollution Filter lunt with a Seestar S50Leviathan Spectral Pro 2" Light Pollution Filter The LEVIATHAN Spectral Pro is a next generation light pollution suppression filter, designed using real world spectral data from cities across the globe. It selectively blocks actual skyglow sources while preserving the critical emission bands used in deep sky imaging. Blocks dominant LED, metal halide, and sodium light pollution bands Passes optimal emission lines, galactic spectra including dust, and