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 05:46:11 PST	moon	135.6	21.4	403	0.17	48.4	-17.5
15Dec2025 05:46:11 PST	mercury	114.9	0.2	175095	0.80	19.7	-17.5
15Dec2025 05:46:11 PST	jupiter	266.3	41.5	646994	1.00	150.6	-17.5
    

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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