DarkCast
3.0
Unusable
37/39 factors
00:54 UTC · Mar 03
72.1
Peak
Excellent in +82h
Fri Mar 06, 10:54 UTC
Sky Clarity
Good
76
Clear skies with excellent transparency
Darkness
Poor
15
Significant light pollution or bright moon
Celestial
Poor
35
Sky too bright — sun near horizon
Conditions
Fair
63
Marginal weather conditions
Site
Coordinates
29.25, -103.25
Elevation
1619 m
Light Pollution
19.5 mag
Biggest Drags on Score
0.0
Light Pollution
0.03
Weather
0.06
Celestial
0.17
Seeing
0.29
Light Pollution
82
Transparency
24.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Fog Probability
GATE
|
1.0
|
0.00 — | 0.83 |
|
Wildfire Smoke Density
GATE
|
1.0
|
0.01 — | 0.82 |
|
Total Cloud Fraction
|
1.0
|
0.00 [0,1] | 0.65 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Aod 550nm
|
0.82
|
0.09 — | 0.87 |
|
Ozone Column
|
0.8
|
213 DU | 0.93 |
|
Precipitable Water Vapor
|
0.71
|
14.44 mm | 0.83 |
|
Volcanic Aerosol Stratospheric
|
0.59
|
0.04 — | 0.69 |
|
Humidity Profile Extinction
RESIDUAL
|
0.94
|
0.04 — | 0.83 |
35
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.61 |
|
Zodiacal Light Intensity
|
0.96
|
0.04 — | 0.9 |
|
Lunar Sky Brightness Contribution
|
0.92
|
0.40 Δmag/arcsec² | 0.95 |
|
Solar Depression Angle
|
0.06
|
1.15 ° | 1.0 |
|
Galactic Plane Brightness
RESIDUAL
|
0.51
|
0.49 — | 0.95 |
60
Weather
14.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Precipitation Probability
GATE
|
1.0
|
0.00 — | 0.74 |
|
Frost Dew On Optics Risk
|
1.0
|
0.00 — | 0.83 |
|
Surface Wind Speed
|
0.81
|
7.70 km/h | 0.83 |
|
Barometric Pressure Trend
|
0.69
|
-1.72 hPa/3hr | 0.83 |
|
Ground Thermal Emission Phase
|
0.03
|
0.03 — | 1.0 |
|
Dew Point Convergence Rate
RESIDUAL
|
1.0
|
0.00 K/hr | 0.88 |
|
Condition Stability Forecast
RESIDUAL
|
0.86
|
0.86 — | 0.83 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.33
|
306 K | 0.88 |
70
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-2.00 K/km | 0.88 |
|
Terrain Turbulence Risk
|
0.97
|
0.03 — | 0.83 |
|
Jet Stream Speed
|
0.78
|
32.30 kt | 0.79 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.88 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.57
|
21.44 kt | 0.79 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.88 |
15
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
0.58
|
19.50 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.29
|
249 km | 0.85 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.65 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.0
|
0.00 [0,1] | 0.6 |
66
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Local Aqi
|
0.92
|
16.93 AQI | 0.82 |
|
Satellite Trail Density
|
0.8
|
20.16 tr/hr | 0.75 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Site Elevation
|
0.65
|
1619 m AMSL | 1.0 |
|
Horizon Obstruction Index
|
0.48
|
15.67 ° | 0.9 |
Site Characteristics
Elevation
1619 m
Horizon
15.7°
Light Pollution
19.5 mag
Nearest City
117.1 km
pop 22k
Nearest Water
190.7 km
Thermal Index
0.3
Roughness
0.225
Elev. Change
270 m
Coordinates
29.25, -103.25
Algorithm
WGM = 47.4
x
Gate = 0.0637
=
3.0
/ 100
NSQI v0.3.0