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
12Aug2025 04:48:36 PDT	moon	205.3	50.1	366	0.88	139.7	-17.3
12Aug2025 04:48:36 PDT	venus	72.7	13.5	185401	0.79	35.7	-17.3
12Aug2025 04:48:36 PDT	jupiter	72.1	14.1	889363	1.00	36.0	-17.3
12Aug2025 04:48:36 PDT	saturn	201.2	48.4	1315552	1.00	138.8	-17.3
    

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


% sl_smrs 37.8 -122.4
12Aug2025:
Sunrise:  06:23 PDT (70.5°)
Sunset:   20:05 PDT (289.2°)
Moonrise: 22:01 PDT (82.4°)
Moonset:  10:03 PDT (273.3°)
    

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


% sl_data -start 12Aug2025 -duration 7d -interval 5m -planets -refraction 37.8 -122.4 | sl_conjunctions
jupiter (full) and venus (gibbous)
  start at 12Aug2025 03:35 PDT  b: 61.8° e: 0.9°  0.92° apart
  minsep at 12Aug2025 03:40 PDT  b: 62.5° e: 1.7°  0.78° apart
  end at 12Aug2025 05:55 PDT  b: 81.6° e: 26.5°  0.94° apart
jupiter (full) and venus (gibbous)
  start at 13Aug2025 03:35 PDT  b: 62.0° e: 1.1°  1.30° apart
  minsep at 13Aug2025 03:45 PDT  b: 63.5° e: 2.6°  1.30° apart
  end at 13Aug2025 06:00 PDT  b: 82.5° e: 27.7°  1.60° apart
jupiter (full) and venus (gibbous)
  start at 14Aug2025 03:35 PDT  b: 62.1° e: 1.2°  2.21° apart
  minsep at 14Aug2025 03:45 PDT  b: 63.7° e: 2.8°  2.09° apart
  end at 14Aug2025 06:00 PDT  b: 82.7° e: 27.9°  2.41° apart
    

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