Light pollution and radio interference at Vienna IAU

The International Astronomical Union’s Commission C.B7 on Protection of Existing and Potential Observatory Sites invites you to a two-day meeting at Kuffner Observatory in Vienna, August 24 and 26, 2018. No registration fee or IAU membership is required. Send poster titles and abstracts to Constance Walker (cwalker[at] by August 1, 2018.

Huron St project

The Huron Street renovation project will include “Dark Skies compliant” light fixtures — see Design Concepts June 1, 2018, p. 63.  The cobra lights will have a second, smaller cobra on the sidewalk side for pedestrians.  Both are meant to be full cutoff.