DarkCast
0.2
Unusable
37/39 factors
00:43 UTC · Mar 03
48.8
Peak
Fair in +35h
Wed Mar 04, 11:43 UTC
Sky Clarity
Fair
44
Moderate clouds or haze present
Darkness
Poor
3
Significant light pollution or bright moon
Celestial
Poor
1
Sky too bright — sun near horizon
Conditions
Fair
54
Marginal weather conditions
Site
Coordinates
39.74, -104.99
Elevation
1595 m
Light Pollution
18.2 mag
Biggest Drags on Score
0.0
Celestial
0.0
Seeing
0.0
Light Pollution
0.0
Weather
0.0
Seeing
86
Transparency
24.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Fog Probability
GATE
|
1.0
|
0.00 — | 0.85 |
|
Wildfire Smoke Density
GATE
|
1.0
|
0.01 — | 0.82 |
|
Ozone Column
|
0.9
|
234 DU | 0.94 |
|
Aod 550nm
|
0.9
|
0.05 — | 0.87 |
|
Precipitable Water Vapor
|
0.86
|
7.14 mm | 0.85 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Volcanic Aerosol Stratospheric
|
0.78
|
0.02 — | 0.69 |
|
Total Cloud Fraction
|
0.76
|
0.24 [0,1] | 0.67 |
|
Humidity Profile Extinction
RESIDUAL
|
0.95
|
0.04 — | 0.85 |
1
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.63 |
|
Zodiacal Light Intensity
|
0.97
|
0.03 — | 0.9 |
|
Lunar Sky Brightness Contribution
|
0.95
|
0.23 Δmag/arcsec² | 0.95 |
|
Solar Depression Angle
|
0.0
|
0.00 ° | 1.0 |
|
Galactic Plane Brightness
RESIDUAL
|
0.39
|
0.61 — | 0.95 |
28
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
|
0.92
|
-0.84 hPa/3hr | 0.85 |
|
Surface Wind Speed
|
0.83
|
6.99 km/h | 0.85 |
|
Ground Thermal Emission Phase
|
0.0
|
0.00 — | 1.0 |
|
Dew Point Convergence Rate
RESIDUAL
|
1.0
|
0.01 K/hr | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.93
|
0.93 — | 0.85 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.85
|
292 K | 0.89 |
1
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-2.00 K/km | 0.89 |
|
Jet Stream Speed
|
0.37
|
94.60 kt | 0.8 |
|
Terrain Turbulence Risk
|
0.0
|
1.00 — | 0.85 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.89 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.0
|
52.54 kt | 0.8 |
3
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Nearest City Skyglow
|
1.0
|
0.37 km | 0.85 |
|
Zenith Sky Brightness
|
0.37
|
18.20 mag/arcsec² | 0.9 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.0
|
0.00 [0,1] | 0.6 |
|
Cloud Amplified Skyglow
RESIDUAL
|
0.0
|
7.02 Δmag/arcsec² | 0.67 |
80
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Satellite Trail Density
|
1.0
|
0.00 tr/hr | 0.75 |
|
Local Aqi
|
0.94
|
12.03 AQI | 0.82 |
|
Horizon Obstruction Index
|
0.92
|
2.34 ° | 0.9 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Site Elevation
|
0.64
|
1595 m AMSL | 1.0 |
Site Characteristics
Elevation
1595 m
Horizon
2.3°
Light Pollution
18.2 mag
Nearest City
0.4 km
pop 2.3M
Nearest Water
81.6 km
Thermal Index
0.3
Roughness
0.018
Elev. Change
15 m
Coordinates
39.74, -104.99
Algorithm
WGM = 7.91
x
Gate = 0.02
=
0.2
/ 100
NSQI v0.3.0