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
18Nov2025 14:05:54 PST	sun	214.2	25.0	147866	1.00	0.0	25.0
18Nov2025 14:05:54 PST	moon	228.0	15.7	404	0.02	15.9	25.0
18Nov2025 14:05:54 PST	mercury	210.6	25.9	101472	0.01	3.4	25.0
18Nov2025 14:05:54 PST	venus	226.9	22.5	248394	0.98	11.8	25.0
18Nov2025 14:05:54 PST	mars	199.3	27.2	362309	0.99	13.6	25.0
    

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


% sl_smrs 37.8 -122.4
18Nov2025:
Sunrise:  06:54 PST (114.2°)
Sunset:   16:56 PST (245.8°)
Moonrise: 05:33 PST (112.9°)
Moonset:  15:47 PST (244.5°)
    

And here are the close celestial encounters for the next week:


% sl_data -start 18Nov2025 -duration 7d -interval 5m -planets -refraction 37.8 -122.4 | sl_conjunctions
venus (full) and mercury (crescent)
  start at 24Nov2025 06:15 PST  b: 112.3° e: 1.1°  1.30° apart
  minsep at 24Nov2025 06:20 PST  b: 113.1° e: 1.9°  1.30° apart
  end at 24Nov2025 06:35 PST  b: 115.4° e: 4.3°  1.39° apart
    

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