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
08Dec2025 02:23:21 PST	moon	132.5	68.4	365	0.84	131.7	-56.2
08Dec2025 02:23:21 PST	jupiter	163.8	73.1	655938	1.00	142.6	-56.2
    

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


% sl_smrs 37.8 -122.4
08Dec2025:
Sunrise:  07:13 PST (118.6°)
Sunset:   16:50 PST (241.3°)
Moonrise: 21:12 PST (66.5°)
Moonset:  10:56 PST (296.3°)
    

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