73.3
Excellent
37/39 factors
00:43 UTC · Mar 03
74.3
Peak
Excellent in +2h
Tue Mar 03, 02:43 UTC
Sky Clarity
Good
79
Clear skies with excellent transparency
Darkness
Fair
50
Moderate light pollution
Celestial
Good
74
Some celestial interference present
Conditions
Good
83
Calm and dry conditions
Site
Coordinates
-25.04, 15.96
Elevation
1132 m
Light Pollution
19.5 mag
88
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
|
0.94
|
0.03 — | 0.87 |
|
Volcanic Aerosol Stratospheric
|
0.87
|
0.01 — | 0.69 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Ozone Column
|
0.76
|
205 DU | 0.94 |
|
Precipitable Water Vapor
|
0.75
|
12.69 mm | 0.85 |
|
Humidity Profile Extinction
RESIDUAL
|
0.86
|
0.10 — | 0.85 |
74
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Solar Depression Angle
|
1.0
|
50.58 ° | 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
|
0.44
|
2.82 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.79
|
0.21 — | 0.95 |
93
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
|
0.97
|
-0.46 hPa/3hr | 0.85 |
|
Surface Wind Speed
|
0.87
|
5.18 km/h | 0.85 |
|
Ground Thermal Emission Phase
|
0.78
|
0.78 — | 1.0 |
|
Dew Point Convergence Rate
RESIDUAL
|
1.0
|
0.00 K/hr | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.96
|
0.96 — | 0.85 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.9
|
290 K | 0.89 |
71
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
|
0.75
|
37.81 kt | 0.8 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.68
|
16.24 kt | 0.8 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
50
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
0.58
|
19.50 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.25
|
297 km | 0.85 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.8 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.72
|
0.22 [0,1] | 0.6 |
73
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Satellite Trail Density
|
1.0
|
0.00 tr/hr | 0.75 |
|
Local Aqi
|
0.98
|
4.07 AQI | 0.82 |
|
Horizon Obstruction Index
|
0.96
|
1.20 ° | 0.9 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Site Elevation
|
0.45
|
1132 m AMSL | 1.0 |
Site Characteristics
Elevation
1132 m
Horizon
1.2°
Light Pollution
19.5 mag
Nearest City
195.4 km
pop 15k
Nearest Water
111.7 km
Thermal Index
0.3
Roughness
0.115
Elev. Change
76 m
Coordinates
-25.04, 15.96
Algorithm
WGM = 73.29
x
Gate = 0.9994
=
73.3
/ 100
NSQI v0.3.0