DarkCast
0.3
Unusable
37/39 factors
00:43 UTC · Mar 03
40.6
Peak
Fair in +76h
Fri Mar 06, 04:43 UTC
Sky Clarity
Poor
5
Significant cloud cover reducing visibility
Darkness
Poor
17
Significant light pollution or bright moon
Celestial
Good
80
No moon or celestial interference
Conditions
Fair
52
Marginal weather conditions
Site
Coordinates
35.2125, -80.855
Elevation
100 m
Light Pollution
18.1 mag
Biggest Drags on Score
0.0
Transparency
0.0
Seeing
0.0
Light Pollution
0.04
Local
0.07
Transparency
4
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
|
0.97
|
255 DU | 0.94 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Precipitable Water Vapor
|
0.58
|
21.16 mm | 0.85 |
|
Aod 550nm
|
0.5
|
0.25 — | 0.87 |
|
Volcanic Aerosol Stratospheric
|
0.07
|
0.09 — | 0.69 |
|
Total Cloud Fraction
|
0.0
|
1.00 [0,1] | 0.67 |
|
Humidity Profile Extinction
RESIDUAL
|
0.17
|
0.58 — | 0.85 |
80
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.63 |
|
Solar Depression Angle
|
0.99
|
17.78 ° | 1.0 |
|
Zodiacal Light Intensity
|
0.98
|
0.02 — | 0.9 |
|
Lunar Sky Brightness Contribution
|
0.7
|
1.52 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.39
|
0.61 — | 0.95 |
75
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
|
0.74
|
10.24 km/h | 0.85 |
|
Barometric Pressure Trend
|
0.69
|
1.73 hPa/3hr | 0.85 |
|
Ground Thermal Emission Phase
|
0.42
|
0.42 — | 1.0 |
|
Ambient Temperature Comfort
RESIDUAL
|
1.0
|
283 K | 0.89 |
|
Dew Point Convergence Rate
RESIDUAL
|
0.95
|
0.14 K/hr | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.59
|
0.59 — | 0.85 |
6
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Jet Stream Speed
|
0.57
|
65.22 kt | 0.8 |
|
Boundary Layer Gradient
|
0.53
|
7.06 K/km | 0.89 |
|
Terrain Turbulence Risk
|
0.0
|
1.00 — | 0.85 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.89 |
|
Inversion Layer Strength
RESIDUAL
|
0.41
|
2.98 K | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.39
|
30.66 kt | 0.8 |
17
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Nearest City Skyglow
|
0.98
|
2.19 km | 0.85 |
|
Zenith Sky Brightness
|
0.35
|
18.11 mag/arcsec² | 0.9 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.67 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.0
|
0.00 [0,1] | 0.6 |
29
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Horizon Obstruction Index
|
0.83
|
5.00 ° | 0.9 |
|
Satellite Trail Density
|
0.8
|
20.16 tr/hr | 0.75 |
|
Local Aqi
|
0.73
|
54.95 AQI | 0.82 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Site Elevation
|
0.04
|
100 m AMSL | 1.0 |
Site Characteristics
Elevation
100 m
Horizon
5.0°
Light Pollution
18.1 mag
Nearest City
2.2 km
pop 995k
Nearest Water
126.4 km
Thermal Index
0.3
Roughness
0.3
Elev. Change
100 m
Coordinates
35.2125, -80.855
Algorithm
WGM = 15.55
x
Gate = 0.02
=
0.3
/ 100
NSQI v0.3.0