Astronomical Alamanac for Aug 28, 2019
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*** Almanac for the currently specified date ***:
Almanac for Cerro Tololo:
long. 4 43 16 (h.m.s) W, lat. -30 09.9 (d.m), elev. 2215 m
Chilean Daylight Savings Time used before 2 AM
2019 Mar 10 and after 2 AM 2019 Oct 13; standard zone = 4 hrs W
For the night of: Wed, 2019 Aug 28 ---> Thu, 2019 Aug 29
Local midnight = 2019 Aug 29, 4 hr UT, or JD 2458724.667
Local Mean Sidereal Time at midnight = 21 45 03.6
Sunset ( 2215 m horizon): 18 33 CST; Sunrise: 6 55 CST
Evening twilight: 19 46 CST; LMST at evening twilight: 17 30
Morning twilight: 5 43 CST; LMST at morning twilight: 3 29
12-degr twilight: 19 18 CST --> 6 10 CST; night center: 0 44 CST
Moonset : 16 40 CST Moonrise: 6 28 CST
Moon at civil midnight: illuminated fraction 0.025
1.3 days before new moon, RA and dec: 9 23 08, 18 19.4
The sun is down for 12.4 hr; 9.9 hr from eve->morn 18 deg twilight.
Dark all night (moon down from evening to morning twilight).
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