The ESO Sky Calendar Tool

Almanac

Roque de los Muchachos, La Palma
Wed, July 23, 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: Wed, 2003 Jul 23 ---> Thu, 2003 Jul 24
Local midnight = 2003 Jul 23,    hr UT, or JD 2452844.458
Local Mean Sidereal Time at midnight =  17 53 33.2

Sunset ( 2326 m horizon):   21 16 GDT; Sunrise:    7 20 GDT
Evening twilight:   22 38 GDT;  LMST at evening twilight:   16 32
Morning twilight:    5 58 GDT;  LMST at morning twilight:   23 52
12-degr twilight:  22 06 GDT -->   6 31 GDT; night center:    2 18 GDT

Moonrise:    3 07 GDT   
Moon at civil midnight: illuminated fraction 0.256
2.7 days after last quarter, RA and dec:   3 51 24,  19 37.3

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

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