✦ CELESTIAL NAVIGATOR
v0.1.120 · 2026-03-25
SIGHT REDUCTION · FIX COMPUTATION · SUN · MOON · PLANETS · 58 STARS
Seguendo il corso del sole
--:--:-- UTC
21 MAR 2026
INTERCEPT
POLARIS
TRANSIT
LUNAR DIST
SEXTANT CORRECTIONS
IE
arcmin (+on / −off arc)
Dip
Sea level
Altitude
Artificial horizon
m
ASSUMED POSITION
LAT
°
'
N
LON
°
'
W
DR (Running Fix)
CRS
°T
SPD
kn
APPROX LONGITUDE (for a₀ correction)
LON
°
'
E
SIGHT ENTRY
UTC
SECS
LIVE
BODY
— select body —
LIMB
Lower
Upper
Center
(semi-diameter correction)
Hs
°
' (sextant reading)
MOON Hs
°
'
BODY Hs
°
'
DIST
°
' (limb-to-limb)
⊕ ADD SIGHT
LOAD DEMO
CLEAR ALL
SAVE
LOAD
CSV
GPX
ALMANAC GENERATOR
COMPUTED FIX
Add sights to compute a fix
INTERCEPT LS
DIRECT (NO AP)
STAR FINDER
▾
POLAR
PANORAMIC
|
AZIMUTHAL
EQUATORIAL
|
NCP
SCP
|
CONSTELLATIONS
|
ROT
scroll to zoom · drag to pan · dbl-click reset
REDUCTION WORKINGS
▾
Click a sight in the log to show full reduction
LINE OF POSITION PLOT
HEATMAP
▾
SIGHT LOG
0 sights
No sights entered — select a mode and add your first observation above