Twilight Times Civil Nautical and Astronomical Calculator
Twilight Times Civil Nautical and Astronomical: a planned Super Calculator tool. Stub page: the tool, its formula and a worked example are not published yet.
Twilight Times Civil Nautical and Astronomical Calculator is a planned calculator in the science section of Super Calculator, covering sky events.
What this calculator will compute
Inputs: latitude, longitude and date.
Formula, recorded as scope and not yet verified against a primary source: Solar depression angles of 6, 12 and 18 degrees below the horizon.
Written for photographers and observers planning blue hour and dark sky time.
Status
This page is a stub. The calculator is not built, no figure on this page has been verified against the authority that sets it, and nothing here should be used to make a decision. The page exists so that the site structure is complete and so that articles can link this concept on first mention.
The stub carries noindex, nofollow and is excluded from the sitemap.