DarkCast
78.8
Excellent
37/39 factors
00:43 UTC · Mar 03
79.1
Peak
Excellent in +2h
Tue Mar 03, 02:43 UTC
Sky Clarity
Good
78
Clear skies with excellent transparency
Darkness
Good
71
Dark skies with minimal light pollution
Celestial
Good
78
No moon or celestial interference
Conditions
Good
89
Calm and dry conditions
Site
Coordinates
-32.38, 20.81
Elevation
1761 m
Light Pollution
28.9 mag
94
Transparency
24.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Fog Probability
GATE
|
1.0
|
0.00 — | 0.85 |
|
Wildfire Smoke Density
GATE
|
1.0
|
0.00 — | 0.82 |
|
Total Cloud Fraction
|
1.0
|
0.00 [0,1] | 0.8 |
|
Aod 550nm
|
0.97
|
0.01 — | 0.87 |
|
Volcanic Aerosol Stratospheric
|
0.93
|
0.01 — | 0.69 |
|
Precipitable Water Vapor
|
0.92
|
3.77 mm | 0.85 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Ozone Column
|
0.78
|
210 DU | 0.94 |
|
Humidity Profile Extinction
RESIDUAL
|
0.94
|
0.04 — | 0.85 |
78
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Solar Depression Angle
|
1.0
|
42.22 ° | 1.0 |
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.63 |
|
Zodiacal Light Intensity
|
0.99
|
0.01 — | 0.9 |
|
Lunar Sky Brightness Contribution
|
0.52
|
2.38 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.75
|
0.25 — | 0.95 |
92
Weather
14.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Precipitation Probability
GATE
|
1.0
|
0.00 — | 0.75 |
|
Frost Dew On Optics Risk
|
1.0
|
0.00 — | 0.85 |
|
Barometric Pressure Trend
|
0.93
|
-0.78 hPa/3hr | 0.85 |
|
Surface Wind Speed
|
0.9
|
4.04 km/h | 0.85 |
|
Ground Thermal Emission Phase
|
0.72
|
0.72 — | 1.0 |
|
Ambient Temperature Comfort
RESIDUAL
|
1.0
|
284 K | 0.89 |
|
Dew Point Convergence Rate
RESIDUAL
|
0.96
|
0.13 K/hr | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.93
|
0.93 — | 0.85 |
61
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-2.00 K/km | 0.89 |
|
Terrain Turbulence Risk
|
0.99
|
0.01 — | 0.85 |
|
Jet Stream Speed
|
0.53
|
70.94 kt | 0.8 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.38
|
31.15 kt | 0.8 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
71
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
1.0
|
28.87 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.35
|
190 km | 0.85 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.8 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.76
|
0.23 [0,1] | 0.6 |
85
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Horizon Obstruction Index
|
1.0
|
0.03 ° | 0.9 |
|
Satellite Trail Density
|
0.99
|
0.96 tr/hr | 0.75 |
|
Local Aqi
|
0.98
|
4.93 AQI | 0.82 |
|
Site Elevation
|
0.7
|
1761 m AMSL | 1.0 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
Site Characteristics
Elevation
1761 m
Horizon
0.0°
Light Pollution
28.9 mag
Nearest City
185.3 km
pop 14k
Nearest Water
219.6 km
Thermal Index
0.3
Roughness
0.093
Elev. Change
249 m
Coordinates
-32.38, 20.81
Algorithm
WGM = 78.81
x
Gate = 0.9994
=
78.8
/ 100
NSQI v0.3.0