DarkCast
72.1
Excellent
37/39 factors
00:43 UTC · Mar 03
72.7
Peak
Excellent in +3h
Tue Mar 03, 03:43 UTC
Sky Clarity
Good
76
Clear skies with excellent transparency
Darkness
Good
74
Dark skies with minimal light pollution
Celestial
Good
70
Moon is bright tonight
Conditions
Good
84
Calm and dry conditions
Site
Coordinates
42.94, 0.14
Elevation
2663 m
Light Pollution
23.4 mag
82
Transparency
24.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Fog Probability
GATE
|
1.0
|
0.00 — | 0.85 |
|
Wildfire Smoke Density
GATE
|
1.0
|
0.02 — | 0.82 |
|
Ozone Column
|
0.99
|
291 DU | 0.94 |
|
Total Cloud Fraction
|
0.94
|
0.06 [0,1] | 0.8 |
|
Precipitable Water Vapor
|
0.92
|
4.23 mm | 0.85 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Volcanic Aerosol Stratospheric
|
0.74
|
0.03 — | 0.69 |
|
Aod 550nm
|
0.66
|
0.17 — | 0.87 |
|
Humidity Profile Extinction
RESIDUAL
|
0.67
|
0.23 — | 0.85 |
70
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Solar Depression Angle
|
1.0
|
53.28 ° | 1.0 |
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.63 |
|
Zodiacal Light Intensity
|
1.0
|
0.00 — | 0.9 |
|
Lunar Sky Brightness Contribution
|
0.36
|
3.22 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.87
|
0.13 — | 0.95 |
84
Weather
14.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Precipitation Probability
GATE
|
1.0
|
0.00 — | 0.75 |
|
Frost Dew On Optics Risk
|
0.99
|
0.01 — | 0.85 |
|
Barometric Pressure Trend
|
0.86
|
1.10 hPa/3hr | 0.85 |
|
Ground Thermal Emission Phase
|
0.8
|
0.80 — | 1.0 |
|
Surface Wind Speed
|
0.65
|
13.81 km/h | 0.85 |
|
Dew Point Convergence Rate
RESIDUAL
|
1.0
|
0.00 K/hr | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.91
|
0.91 — | 0.85 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.84
|
274 K | 0.89 |
70
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-2.00 K/km | 0.89 |
|
Jet Stream Speed
|
0.96
|
5.45 kt | 0.8 |
|
Terrain Turbulence Risk
|
0.74
|
0.26 — | 0.85 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.75
|
12.45 kt | 0.8 |
|
Scintillation Index Estimate
RESIDUAL
|
0.71
|
1.80 " | 0.89 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
74
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
1.0
|
23.39 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.43
|
130 km | 0.85 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.8 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.59
|
0.18 [0,1] | 0.6 |
84
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Site Elevation
|
1.0
|
2663 m AMSL | 1.0 |
|
Satellite Trail Density
|
1.0
|
0.00 tr/hr | 0.75 |
|
Local Aqi
|
0.79
|
42.62 AQI | 0.82 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Horizon Obstruction Index
|
0.68
|
9.51 ° | 0.9 |
Site Characteristics
Elevation
2663 m
Horizon
9.5°
Light Pollution
23.4 mag
Nearest City
32.9 km
pop 55k
Nearest Water
149.3 km
Thermal Index
0.3
Roughness
0.478
Elev. Change
1050 m
Coordinates
42.94, 0.14
Algorithm
WGM = 76.55
x
Gate = 0.9413
=
72.1
/ 100
NSQI v0.3.0