The ESO Sky Calendar Tool

Almanac

Roque de los Muchachos, La Palma
Sun, July 27, 2003

pseudo-Greenwich Daylight Savings Time assumed from 2 AM on
2003 Mar 30 to 2 AM on 2003 Sep 28; standard zone =   0 hrs W

For the night of: Sun, 2003 Jul 27 ---> Mon, 2003 Jul 28
Local midnight = 2003 Jul 27,    hr UT, or JD 2452848.458
Local Mean Sidereal Time at midnight =  18 09 19.4

Sunset ( 2326 m horizon):   21 14 GDT; Sunrise:    7 23 GDT
Evening twilight:   22 35 GDT;  LMST at evening twilight:   16 44
Morning twilight:    6 01 GDT;  LMST at morning twilight:    0 11
12-degr twilight:  22 03 GDT -->   6 33 GDT; night center:    2 18 GDT

Moonset :   20 16 GDT   Moonrise:    6 19 GDT   
Moon at civil midnight: illuminated fraction 0.020
1.3 days before new moon, RA and dec:   7 21 50,  25 19.2

The sun is down for 10.1 hr;  7.4 hr from eve->morn 18 deg twilight.
Dark all night (moon down from evening to morning twilight).

SkyCalc provided by courtesy of John Thorstensen, Dartmouth College. John.Thorstensen@dartmouth.edu