DarkCast
65.3
Good
37/39 factors
00:43 UTC · Mar 03
75.3
Peak
Excellent in +52h
Thu Mar 05, 04:43 UTC
Sky Clarity
Good
69
Good transparency, minimal haze
Darkness
Good
69
Dark skies with minimal light pollution
Celestial
Fair
62
Moon is bright tonight
Conditions
Good
66
Good observing conditions
Site
Coordinates
28.76, -17.89
Elevation
2223 m
Light Pollution
24.8 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 |
|
Total Cloud Fraction
|
1.0
|
0.00 [0,1] | 0.8 |
|
Ozone Column
|
0.99
|
266 DU | 0.94 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Aod 550nm
|
0.83
|
0.08 — | 0.87 |
|
Volcanic Aerosol Stratospheric
|
0.82
|
0.02 — | 0.69 |
|
Precipitable Water Vapor
|
0.79
|
10.66 mm | 0.85 |
|
Humidity Profile Extinction
RESIDUAL
|
0.48
|
0.37 — | 0.85 |
62
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Solar Depression Angle
|
1.0
|
66.14 ° | 1.0 |
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.63 |
|
Zodiacal Light Intensity
|
0.98
|
0.02 — | 0.9 |
|
Lunar Sky Brightness Contribution
|
0.25
|
3.74 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.85
|
0.15 — | 0.95 |
46
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 |
|
Barometric Pressure Trend
|
0.94
|
0.72 hPa/3hr | 0.85 |
|
Ground Thermal Emission Phase
|
0.87
|
0.87 — | 1.0 |
|
Surface Wind Speed
|
0.04
|
38.23 km/h | 0.85 |
|
Dew Point Convergence Rate
RESIDUAL
|
1.0
|
0.00 K/hr | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.94
|
0.94 — | 0.85 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.92
|
289 K | 0.89 |
57
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-2.00 K/km | 0.89 |
|
Jet Stream Speed
|
0.53
|
69.92 kt | 0.8 |
|
Terrain Turbulence Risk
|
0.5
|
0.50 — | 0.85 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.53
|
23.64 kt | 0.8 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
69
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
1.0
|
24.82 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.38
|
164 km | 0.85 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.8 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.38
|
0.11 [0,1] | 0.6 |
86
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Satellite Trail Density
|
1.0
|
0.00 tr/hr | 0.75 |
|
Site Elevation
|
0.89
|
2223 m AMSL | 1.0 |
|
Local Aqi
|
0.84
|
31.19 AQI | 0.82 |
|
Horizon Obstruction Index
|
0.84
|
4.70 ° | 0.9 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
Site Characteristics
Elevation
2223 m
Horizon
4.7°
Light Pollution
24.8 mag
Nearest City
163.6 km
pop 336k
Nearest Water
9.1 km
Thermal Index
0.3
Roughness
0.322
Elev. Change
915 m
Coordinates
28.76, -17.89
Algorithm
WGM = 65.32
x
Gate = 0.9994
=
65.3
/ 100
NSQI v0.3.0