The WEBASTROLABE (Ph. Liechti - February 15th, 2015)
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up there
En français
LOCAL LATITUDE
size of screen copy :
1
x2
x4
x8
x16
x32
FACE :
FRONT
BACK
FRONT + SKY
SKY CHART
RULE
LIMB & THRONE
RETE
RETE with zodiac symbols
PLATE : Elevations & azimuths
PLATE : Tropics
MATER
BACK
Equation of time
ALIDADE
background Black vs White
photo zoom locked
Language :
french
latin
english
Ornament :
blank
Wolf
Bear
Bees
Astrolabes :
blank
1000 SYRIA
1068 TOLEDO
1500 ITALY
1600 NARBONNE
1710 PERSIA
empty sky
Sun
Stars & Sun
Stars
Constellations
Stars & Constell.
All
January
Februar
March
April
May
June
July
August
September
October
November
December
Ecliptic ?
Equatorial grid ?
Ecliptic grid ?
Monochrome star ?
Star name ?
Star letter?
Constellation name ?
Min. magnitude stars:
0
1
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
4
precession of the equinoxes
12000 BC
11000 BC
10000 BC
9000 BC
8000 BC
7000 BC
6000 BC
5000 BC
4000 BC
3000 BC
2000 BC
1000 BC
10 AD
500 AD
900 AD
1000 AD
1100 AD
1200 AD
1300 AD
1400 AD
1500 AD
1600 AD
1700 AD
Today
2500 AD
3000 AD
3500 AD
4000 AD
5000 AD
6000 AD
7000 AD
8000 AD
9000 AD
10000 AD
11000 AD
12000 AD
13000 AD
14000 AD
Size of the stars :
simple
visual magnitude
absolute magnitude
multiply by :
1
2
3
4