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
25Mar2026 13:38:08 PDT	sun	189.6	53.9	149204	1.00	0.0	53.9
25Mar2026 13:38:08 PDT	moon	69.2	18.5	369	0.51	91.5	53.9
25Mar2026 13:38:08 PDT	mercury	217.0	36.6	112877	0.34	25.5	53.9
25Mar2026 13:38:08 PDT	venus	156.3	58.9	237882	0.95	18.9	53.9
25Mar2026 13:38:08 PDT	mars	208.6	42.5	344808	0.99	16.9	53.9
25Mar2026 13:38:08 PDT	jupiter	68.0	9.2	743743	0.99	100.2	53.9
25Mar2026 13:38:08 PDT	saturn	188.5	51.8	1570686	1.00	2.2	53.9
    

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


% sl_smrs 37.8 -122.4
25Mar2026:
Sunrise:  07:06 PDT (87.0°)
Sunset:   19:26 PDT (273.3°)
Moonrise: 11:42 PDT (53.7°)
Moonset:  02:33 PDT (306.7°)
    

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