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
15Dec2025 02:15:43 PST	jupiter	182.3	73.8	647157	1.00	150.4	-58.5
    

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


% sl_smrs 37.8 -122.4
15Dec2025:
Sunrise:  07:18 PST (119.3°)
Sunset:   16:51 PST (240.6°)
Moonrise: 03:26 PST (111.0°)
Moonset:  13:50 PST (246.3°)
    

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