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
13Jul2025 00:30:24 PDT	moon	135.6	21.4	380	0.93	149.8	-29.5
13Jul2025 00:30:24 PDT	saturn	96.6	6.4	1377306	1.00	109.3	-29.5
    

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


% sl_smrs 37.8 -122.4
13Jul2025:
Sunrise:  05:59 PDT (61.4°)
Sunset:   20:32 PDT (298.6°)
Moonrise: 22:41 PDT (104.9°)
Moonset:  08:48 PDT (250.8°)
    

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


% sl_data -start 13Jul2025 -duration 7d -interval 5m -planets -refraction 37.8 -122.4 | sl_conjunctions
saturn (full) and moon (gibbous)
  start at 15Jul2025 23:45 PDT  b: 90.9° e: 1.2°  2.33° apart
  minsep at 15Jul2025 23:50 PDT  b: 91.7° e: 2.1°  2.28° apart
  end at 16Jul2025 02:15 PDT  b: 115.6° e: 29.3°  2.89° apart
    

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