Dealing with Light Trespass

By Chetna Misra

Light trespass—the unwelcome spill of artificial light into spaces where it’s neither needed nor desired—has become a growing concern for those who cherish the nocturnal environment. As a symptom of light pollution, light trespass not only diminishes the beauty of dark skies but also disrupts ecosystems, affects human well-being, and highlights the consequences of poorly designed lighting systems.

Understanding Light Trespass

On pp. 13 and 352, the Alberta Star Party is at A Stones Throw campground, near Milo, Alberta.
50°35′Ν, 112°49′W, elev 921 m (3,021 ft)

On pp. 99 and 101, the Jupiter moons diagram is incorrect. Use the PDFs provided below.

On p. 103, the entry for Wed., Mar. 12 at 1:18 is incorrect - delete.

On p. 105, the second footnote should be #2.

On p. 132, the table re: Partial Eclipse of 2025 Mar 29, needs updating to incorporate DST, see below.

On p. 297, the table is incorrect. Use the updated table in the link below.