The ESO Sky Calendar Tool

Almanac

Roque de los Muchachos, La Palma
Tue, July 29, 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 29 ---> Wed, 2003 Jul 30
Local midnight = 2003 Jul 29,    hr UT, or JD 2452850.458
Local Mean Sidereal Time at midnight =  18 17 12.5

Sunset ( 2326 m horizon):   21 13 GDT; Sunrise:    7 24 GDT
Evening twilight:   22 34 GDT;  LMST at evening twilight:   16 51
Morning twilight:    6 03 GDT;  LMST at morning twilight:    0 21
12-degr twilight:  22 01 GDT -->   6 35 GDT; night center:    2 18 GDT

Moonset :   21 50 GDT   
Moon at civil midnight: illuminated fraction 0.006
0.7 days since new moon, RA and dec:   9 12 06,  20 30.3

The sun is down for 10.2 hr;  7.5 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