DarkCast
0.3
Unusable
37/39 factors
00:43 UTC · Mar 03
51.6
Peak
Good in +35h
Wed Mar 04, 11:43 UTC
Sky Clarity
Fair
47
Moderate clouds or haze present
Darkness
Poor
24
Significant light pollution or bright moon
Celestial
Poor
1
Sky too bright — sun near horizon
Conditions
Fair
54
Marginal weather conditions
Site
Coordinates
31.96, -111.6
Elevation
2055 m
Light Pollution
24.7 mag
Biggest Drags on Score
0.0
Celestial
0.0
Seeing
0.0
Light Pollution
0.0
Weather
0.17
Seeing
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 |
|
Aod 550nm
|
0.94
|
0.03 — | 0.87 |
|
Precipitable Water Vapor
|
0.86
|
6.84 mm | 0.85 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Volcanic Aerosol Stratospheric
|
0.84
|
0.02 — | 0.69 |
|
Total Cloud Fraction
|
0.82
|
0.18 [0,1] | 0.67 |
|
Ozone Column
|
0.72
|
198 DU | 0.94 |
|
Humidity Profile Extinction
RESIDUAL
|
0.98
|
0.02 — | 0.85 |
1
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Lunar Sky Brightness Contribution
|
1.0
|
0.00 Δmag/arcsec² | 0.95 |
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.63 |
|
Zodiacal Light Intensity
|
0.96
|
0.04 — | 0.9 |
|
Solar Depression Angle
|
0.0
|
0.00 ° | 1.0 |
|
Galactic Plane Brightness
RESIDUAL
|
0.61
|
0.39 — | 0.95 |
23
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
|
0.86
|
-1.11 hPa/3hr | 0.85 |
|
Surface Wind Speed
|
0.48
|
20.69 km/h | 0.85 |
|
Ground Thermal Emission Phase
|
0.0
|
0.00 — | 1.0 |
|
Dew Point Convergence Rate
RESIDUAL
|
0.97
|
0.08 K/hr | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.68
|
0.68 — | 0.85 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.43
|
303 K | 0.89 |
6
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-2.00 K/km | 0.89 |
|
Jet Stream Speed
|
0.63
|
55.05 kt | 0.8 |
|
Terrain Turbulence Risk
|
0.0
|
1.00 — | 0.85 |
|
Scintillation Index Estimate
RESIDUAL
|
0.93
|
0.80 " | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.71
|
14.69 kt | 0.8 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
24
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
1.0
|
24.67 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.58
|
72.24 km | 0.85 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.67 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.0
|
0.00 [0,1] | 0.6 |
86
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Satellite Trail Density
|
1.0
|
0.00 tr/hr | 0.75 |
|
Local Aqi
|
0.98
|
4.61 AQI | 0.82 |
|
Horizon Obstruction Index
|
0.84
|
4.83 ° | 0.9 |
|
Site Elevation
|
0.82
|
2055 m AMSL | 1.0 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
Site Characteristics
Elevation
2055 m
Horizon
4.8°
Light Pollution
24.7 mag
Nearest City
72.2 km
pop 823k
Nearest Water
163.9 km
Thermal Index
0.3
Roughness
0.247
Elev. Change
819 m
Coordinates
31.96, -111.6
Algorithm
WGM = 16.43
x
Gate = 0.02
=
0.3
/ 100
NSQI v0.3.0