The ESO Sky Calendar Tool

Almanac

Roque de los Muchachos, La Palma
Sat, July 26, 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: Sat, 2003 Jul 26 ---> Sun, 2003 Jul 27
Local midnight = 2003 Jul 26,    hr UT, or JD 2452847.458
Local Mean Sidereal Time at midnight =  18 05 22.9

Sunset ( 2326 m horizon):   21 14 GDT; Sunrise:    7 22 GDT
Evening twilight:   22 36 GDT;  LMST at evening twilight:   16 41
Morning twilight:    6 00 GDT;  LMST at morning twilight:    0 07
12-degr twilight:  22 04 GDT -->   6 33 GDT; night center:    2 18 GDT

Moonset :   19 22 GDT   Moonrise:    5 22 GDT   
Moon at civil midnight: illuminated fraction 0.057
2.3 days before new moon, RA and dec:   6 26 28,  25 42.8

The sun is down for 10.1 hr;  7.4 hr from eve->morn 18 deg twilight.
 6.8 dark hours after end of twilight and before moonrise.

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