sightliner - find sight lines for the sun and moon

Not quite released yet.

Here are the current positions of the celestial objects, above the horizon as seen from San Francisco:


% sl_data -planets -num 1 -refraction 37.8 -122.4 | sl_find 'elev>0'
# datetime		object	bearing	elev	dist	full	sunsep	sunelev
01Apr2026 04:57:53 PDT	moon	249.7	17.2	390	1.00	172.1	-22.9
    

Here are today's sun/moon rise/set times and bearings for San Francisco:


% sl_smrs 37.8 -122.4
01Apr2026:
Sunrise:  06:55 PDT (83.5°)
Sunset:   19:32 PDT (276.7°)
Moonrise: 19:34 PDT (99.8°)
Moonset:  06:32 PDT (264.2°)
    

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