The ESO Sky Calendar Tool

Almanac

Roque de los Muchachos, La Palma
Thu, July 24, 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: Thu, 2003 Jul 24 ---> Fri, 2003 Jul 25
Local midnight = 2003 Jul 24,    hr UT, or JD 2452845.458
Local Mean Sidereal Time at midnight =  17 57 29.7

Sunset ( 2326 m horizon):   21 15 GDT; Sunrise:    7 21 GDT
Evening twilight:   22 38 GDT;  LMST at evening twilight:   16 35
Morning twilight:    5 59 GDT;  LMST at morning twilight:   23 57
12-degr twilight:  22 05 GDT -->   6 31 GDT; night center:    2 18 GDT

Moonset :   17 29 GDT   Moonrise:    3 46 GDT   
Moon at civil midnight: illuminated fraction 0.178
3.7 days after last quarter, RA and dec:   4 40 37,  22 42.2

The sun is down for 10.1 hr;  7.3 hr from eve->morn 18 deg twilight.
 5.1 dark hours after end of twilight and before moonrise.

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