DarkCast
0.4
Unusable
37/39 factors
00:43 UTC · Mar 03
59.0
Peak
Good in +76h
Fri Mar 06, 04:43 UTC
Sky Clarity
Poor
35
Significant cloud cover reducing visibility
Darkness
Poor
3
Significant light pollution or bright moon
Celestial
Good
78
No moon or celestial interference
Conditions
Fair
50
Marginal weather conditions
Site
Coordinates
35.6513, -82.5745
Elevation
100 m
Light Pollution
19.5 mag
Biggest Drags on Score
0.0
Transparency
0.0
Light Pollution
0.0
Light Pollution
0.04
Local
0.17
Seeing
5
Transparency
24.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Fog Probability
GATE
|
1.0
|
0.00 — | 0.85 |
|
Wildfire Smoke Density
GATE
|
1.0
|
0.03 — | 0.82 |
|
Ozone Column
|
0.95
|
249 DU | 0.94 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Precipitable Water Vapor
|
0.68
|
16.12 mm | 0.85 |
|
Aod 550nm
|
0.62
|
0.19 — | 0.87 |
|
Volcanic Aerosol Stratospheric
|
0.29
|
0.07 — | 0.69 |
|
Total Cloud Fraction
|
0.0
|
1.00 [0,1] | 0.67 |
|
Humidity Profile Extinction
RESIDUAL
|
0.22
|
0.55 — | 0.85 |
78
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.63 |
|
Zodiacal Light Intensity
|
0.98
|
0.02 — | 0.9 |
|
Solar Depression Angle
|
0.91
|
16.36 ° | 1.0 |
|
Lunar Sky Brightness Contribution
|
0.71
|
1.43 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.35
|
0.65 — | 0.95 |
72
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 |
|
Surface Wind Speed
|
0.77
|
9.13 km/h | 0.85 |
|
Barometric Pressure Trend
|
0.43
|
2.61 hPa/3hr | 0.85 |
|
Ground Thermal Emission Phase
|
0.39
|
0.39 — | 1.0 |
|
Dew Point Convergence Rate
RESIDUAL
|
1.0
|
0.00 K/hr | 0.89 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.97
|
279 K | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.79
|
0.79 — | 0.85 |
64
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Terrain Turbulence Risk
|
0.98
|
0.02 — | 0.85 |
|
Boundary Layer Gradient
|
0.95
|
0.73 K/km | 0.89 |
|
Jet Stream Speed
|
0.59
|
60.77 kt | 0.8 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.51
|
24.59 kt | 0.8 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
3
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Nearest City Skyglow
|
0.94
|
5.86 km | 0.85 |
|
Zenith Sky Brightness
|
0.58
|
19.50 mag/arcsec² | 0.9 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.0
|
0.00 [0,1] | 0.6 |
|
Cloud Amplified Skyglow
RESIDUAL
|
0.0
|
3.30 Δmag/arcsec² | 0.67 |
28
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Horizon Obstruction Index
|
0.83
|
5.00 ° | 0.9 |
|
Satellite Trail Density
|
0.77
|
23.28 tr/hr | 0.75 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Local Aqi
|
0.69
|
62.07 AQI | 0.82 |
|
Site Elevation
|
0.04
|
100 m AMSL | 1.0 |
Site Characteristics
Elevation
100 m
Horizon
5.0°
Light Pollution
19.5 mag
Nearest City
50.0 km
pop 0
Nearest Water
50.0 km
Thermal Index
0.3
Roughness
0.3
Elev. Change
100 m
Coordinates
35.6513, -82.5745
Algorithm
WGM = 19.25
x
Gate = 0.02
=
0.4
/ 100
NSQI v0.3.0