International Dark-sky Association Colorado Great Sand Dunes National Park and Preserve. Photo: NPS/Patrick Myers IDA Colorado Programs Dark Sky Places Funds for lighting retrofits and other expenses Dark Sky Places Citizen Science To design and promote projects, and give materials to schools and libraries Citizen Science Lights Out Colorado To help migratory birds by limiting light pollution Lights Out Colorado Below: Slumgullion Center, a Colorado Dark Sky Park, Michael Underwood photo. Tools for Advocates IDA Colorado Calendar Calendar IDA Colorado Newsletter Archive Newsletter IDA Colorado News Blog Recommended Links for Advocates Links Sirius Star Award Sirius Facebook Twitter Instagram Youtube IDA Membership Global IDA membership IDA members with a Colorado address are automatically part of the Colorado chapter.