DarkCast
40.0
Fair
37/39 factors
00:43 UTC · Mar 03
40.5
Peak
Fair in +22h
Tue Mar 03, 22:43 UTC
Sky Clarity
Fair
35
Moderate clouds or haze present
Darkness
Good
84
Very dark skies
Celestial
Good
74
Some celestial interference present
Conditions
Fair
54
Risk of dew or frost on optics
Site
Coordinates
51.88, -3.44
Elevation
745 m
Light Pollution
22.8 mag
Biggest Drags on Score
0.0
Seeing
0.1
Weather
0.17
Seeing
0.17
Transparency
0.3
Local
64
Transparency
24.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Wildfire Smoke Density
GATE
|
1.0
|
0.01 — | 0.82 |
|
Fog Probability
GATE
|
1.0
|
0.31 — | 0.85 |
|
Ozone Column
|
0.96
|
307 DU | 0.94 |
|
Total Cloud Fraction
|
0.95
|
0.05 [0,1] | 0.8 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Aod 550nm
|
0.73
|
0.14 — | 0.87 |
|
Precipitable Water Vapor
|
0.68
|
15.91 mm | 0.85 |
|
Volcanic Aerosol Stratospheric
|
0.33
|
0.07 — | 0.69 |
|
Humidity Profile Extinction
RESIDUAL
|
0.17
|
0.58 — | 0.85 |
74
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Solar Depression Angle
|
1.0
|
44.87 ° | 1.0 |
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.63 |
|
Zodiacal Light Intensity
|
1.0
|
0.00 — | 0.9 |
|
Lunar Sky Brightness Contribution
|
0.43
|
2.87 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.86
|
0.14 — | 0.95 |
52
Weather
14.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Precipitation Probability
GATE
|
0.95
|
0.30 — | 0.75 |
|
Surface Wind Speed
|
0.85
|
5.84 km/h | 0.85 |
|
Ground Thermal Emission Phase
|
0.74
|
0.74 — | 1.0 |
|
Barometric Pressure Trend
|
0.4
|
2.72 hPa/3hr | 0.85 |
|
Frost Dew On Optics Risk
|
0.1
|
0.90 — | 0.85 |
|
Dew Point Convergence Rate
RESIDUAL
|
1.0
|
0.00 K/hr | 0.89 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.96
|
279 K | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.78
|
0.78 — | 0.85 |
7
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-2.00 K/km | 0.89 |
|
Jet Stream Speed
|
0.73
|
40.84 kt | 0.8 |
|
Terrain Turbulence Risk
|
0.0
|
1.00 — | 0.85 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.83
|
8.70 kt | 0.8 |
|
Scintillation Index Estimate
RESIDUAL
|
0.82
|
1.29 " | 0.89 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
84
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
1.0
|
22.78 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.68
|
48.06 km | 0.85 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.8 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.56
|
0.17 [0,1] | 0.6 |
56
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Satellite Trail Density
|
0.99
|
0.96 tr/hr | 0.75 |
|
Local Aqi
|
0.88
|
23.64 AQI | 0.82 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Horizon Obstruction Index
|
0.6
|
11.90 ° | 0.9 |
|
Site Elevation
|
0.3
|
745 m AMSL | 1.0 |
Site Characteristics
Elevation
745 m
Horizon
11.9°
Light Pollution
22.8 mag
Nearest City
48.1 km
pop 861k
Nearest Water
40.0 km
Thermal Index
0.3
Roughness
0.179
Elev. Change
307 m
Coordinates
51.88, -3.44
Algorithm
WGM = 42.05
x
Gate = 0.9502
=
40.0
/ 100
NSQI v0.3.0