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
16Sep2025 12:11:45 PDT	sun	158.1	52.5	150384	1.00	0.0	52.5
16Sep2025 12:11:45 PDT	moon	265.0	50.0	375	0.25	60.4	52.5
16Sep2025 12:11:45 PDT	mercury	153.1	51.6	208440	0.99	3.2	52.5
16Sep2025 12:11:45 PDT	venus	207.5	63.3	215489	0.88	27.5	52.5
16Sep2025 12:11:45 PDT	mars	130.9	27.5	346629	0.97	32.2	52.5
16Sep2025 12:11:45 PDT	jupiter	263.8	44.9	828507	0.99	63.7	52.5
    

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


% sl_smrs 37.8 -122.4
16Sep2025:
Sunrise:  06:53 PDT (86.4°)
Sunset:   19:15 PDT (273.4°)
Moonrise: 01:18 PDT (55.4°)
Moonset:  16:47 PDT (301.9°)
    

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


% sl_data -start 16Sep2025 -duration 7d -interval 5m -planets -refraction 37.8 -122.4 | sl_conjunctions
venus (gibbous) and moon (crescent)
  start at 19Sep2025 04:45 PDT  b: 73.9° e: 0.2°  0.78° apart
  minsep at 19Sep2025 04:55 PDT  b: 75.4° e: 2.0°  0.72° apart
  end at 19Sep2025 11:00 PDT  b: 163.3° e: 63.1°  2.96° apart
    

ACME Labs / Software / sightliner
email