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Fig. 1.

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Top row: Three of the amateur telescopes used in STSS: AstroPhysics 0.13-m f/4.5 (left), RCO 0.506-m f/8.1 (center), and CHART32 Cassegrain 0.80-m f/7 (right). Bottom row: Location of the robotic telescope facilities used in STSS (see Table 1) overplotted on the Light Pollution Map NITESat (Falchi et al. 2016): (1) Black Bird II Observatory, (2) Rancho del Sol Observatory, (3) Mount Lemmon Sky Center, (4) Rancho Hidalgo Observatory, (5) CHART32, (6) ROSA Observatory, and (7) MJ Observatory.

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