The ESO Sky Calendar Tool

Almanac

Roque de los Muchachos, La Palma
Tue, July 22, 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: Tue, 2003 Jul 22 ---> Wed, 2003 Jul 23
Local midnight = 2003 Jul 22,    hr UT, or JD 2452843.458
Local Mean Sidereal Time at midnight =  17 49 36.6

Sunset ( 2326 m horizon):   21 17 GDT; Sunrise:    7 20 GDT
Evening twilight:   22 39 GDT;  LMST at evening twilight:   16 29
Morning twilight:    5 57 GDT;  LMST at morning twilight:   23 48
12-degr twilight:  22 06 GDT -->   6 30 GDT; night center:    2 18 GDT

Moonrise:    2 32 GDT   
Moon at civil midnight: illuminated fraction 0.342
1.7 days after last quarter, RA and dec:   3 04 40,  15 44.3

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

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