Matthew Robinson, Ardua et Astra: On the Calculation of the Dates of the Rising and Setting of Stars
Definition
Ardua et Astra identifies the Robinson source relationship used by the bibliography for rising and setting terminology around phasis and heliacal visibility.
History and editions
The bibliography identifies this as a reference source for static reference context on apparent first and last visibility.
What this work covers
Related material covers source identity and static terminology pages that cite reviewed Robinson locators.
Scope and limitations
this overview does not authorize a automatic chart use heliacal selector, observer-specific event solver, or generalized phasis calculation policy.
Influence and related practices
Related reference material includes phasis terminology, apparent first visibility, apparent last visibility, and visibility-event limitations.