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
08Jan2026 04:37:38 PST	moon	181.9	52.9	384	0.71	114.1	-32.5
08Jan2026 04:37:38 PST	jupiter	272.8	34.2	632883	1.00	177.9	-32.5
    

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


% sl_smrs 37.8 -122.4
08Jan2026:
Sunrise:  07:26 PST (117.9°)
Sunset:   17:07 PST (242.1°)
Moonrise: 23:16 PST (94.4°)
Moonset:  10:42 PST (269.6°)
    

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