DarkCast
2.2
Unusable
37/39 factors
00:54 UTC · Mar 03
51.3
Peak
Good in +5h
Tue Mar 03, 05:54 UTC
Sky Clarity
Fair
43
Moderate clouds or haze present
Darkness
Good
86
Very dark skies
Celestial
Fair
62
Moon is bright tonight
Conditions
Good
83
Calm and dry conditions
Site
Coordinates
28.3, -16.51
Elevation
2378 m
Light Pollution
22.4 mag
Biggest Drags on Score
0.0
Seeing
0.05
Weather
0.17
Seeing
0.25
Celestial
0.28
Seeing
80
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 |
|
Ozone Column
|
0.99
|
267 DU | 0.93 |
|
Total Cloud Fraction
|
0.98
|
0.02 [0,1] | 0.79 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Aod 550nm
|
0.82
|
0.09 — | 0.87 |
|
Precipitable Water Vapor
|
0.8
|
9.94 mm | 0.83 |
|
Volcanic Aerosol Stratospheric
|
0.8
|
0.02 — | 0.69 |
|
Humidity Profile Extinction
RESIDUAL
|
0.38
|
0.44 — | 0.83 |
62
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Solar Depression Angle
|
1.0
|
67.89 ° | 1.0 |
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.61 |
|
Zodiacal Light Intensity
|
0.97
|
0.03 — | 0.9 |
|
Lunar Sky Brightness Contribution
|
0.25
|
3.76 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.86
|
0.14 — | 0.95 |
75
Weather
14.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Precipitation Probability
GATE
|
0.05
|
0.70 — | 0.74 |
|
Frost Dew On Optics Risk
|
1.0
|
0.00 — | 0.83 |
|
Ground Thermal Emission Phase
|
0.87
|
0.87 — | 1.0 |
|
Barometric Pressure Trend
|
0.8
|
1.35 hPa/3hr | 0.83 |
|
Surface Wind Speed
|
0.52
|
19.10 km/h | 0.83 |
|
Dew Point Convergence Rate
RESIDUAL
|
1.0
|
0.00 K/hr | 0.88 |
|
Ambient Temperature Comfort
RESIDUAL
|
1.0
|
283 K | 0.88 |
|
Condition Stability Forecast
RESIDUAL
|
0.89
|
0.89 — | 0.83 |
6
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-2.00 K/km | 0.88 |
|
Jet Stream Speed
|
0.52
|
71.86 kt | 0.79 |
|
Terrain Turbulence Risk
|
0.0
|
1.00 — | 0.83 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.88 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.28
|
35.81 kt | 0.79 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.88 |
86
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
1.0
|
22.36 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.76
|
31.69 km | 0.85 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.79 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.45
|
0.14 [0,1] | 0.6 |
91
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Satellite Trail Density
|
1.0
|
0.00 tr/hr | 0.75 |
|
Horizon Obstruction Index
|
0.95
|
1.40 ° | 0.9 |
|
Site Elevation
|
0.95
|
2378 m AMSL | 1.0 |
|
Local Aqi
|
0.88
|
23.41 AQI | 0.82 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
Site Characteristics
Elevation
2378 m
Horizon
1.4°
Light Pollution
22.4 mag
Nearest City
31.7 km
pop 336k
Nearest Water
12.5 km
Thermal Index
0.3
Roughness
0.208
Elev. Change
673 m
Coordinates
28.3, -16.51
Algorithm
WGM = 45.76
x
Gate = 0.0474
=
2.2
/ 100
NSQI v0.3.0