DarkCast
41.0
Fair
37/39 factors
00:43 UTC · Mar 03
81.4
Peak
Excellent in +32h
Wed Mar 04, 08:43 UTC
Sky Clarity
Fair
63
Moderate clouds or haze present
Darkness
Poor
20
Significant light pollution or bright moon
Celestial
Good
83
No moon or celestial interference
Conditions
Good
78
Calm and dry conditions
Site
Coordinates
-27.11, -68.54
Elevation
6854 m
Light Pollution
30.6 mag
Biggest Drags on Score
0.0
Light Pollution
0.01
Seeing
0.17
Seeing
0.32
Weather
0.36
Light Pollution
87
Transparency
24.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Fog Probability
GATE
|
1.0
|
0.00 — | 0.85 |
|
Wildfire Smoke Density
GATE
|
1.0
|
0.01 — | 0.82 |
|
Precipitable Water Vapor
|
0.96
|
2.17 mm | 0.85 |
|
Aod 550nm
|
0.93
|
0.03 — | 0.87 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Volcanic Aerosol Stratospheric
|
0.76
|
0.02 — | 0.69 |
|
Total Cloud Fraction
|
0.76
|
0.24 [0,1] | 0.67 |
|
Ozone Column
|
0.71
|
197 DU | 0.94 |
|
Humidity Profile Extinction
RESIDUAL
|
0.89
|
0.08 — | 0.85 |
83
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Solar Depression Angle
|
1.0
|
22.15 ° | 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
|
0.67
|
1.64 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.54
|
0.46 — | 0.95 |
66
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
|
0.66
|
13.74 km/h | 0.85 |
|
Ground Thermal Emission Phase
|
0.49
|
0.49 — | 1.0 |
|
Barometric Pressure Trend
|
0.32
|
3.02 hPa/3hr | 0.85 |
|
Dew Point Convergence Rate
RESIDUAL
|
1.0
|
0.00 K/hr | 0.89 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.99
|
282 K | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.76
|
0.76 — | 0.85 |
39
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-2.00 K/km | 0.89 |
|
Terrain Turbulence Risk
|
0.92
|
0.08 — | 0.85 |
|
Jet Stream Speed
|
0.63
|
56.26 kt | 0.8 |
|
Scintillation Index Estimate
RESIDUAL
|
0.51
|
2.71 " | 0.89 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.01
|
49.48 kt | 0.8 |
20
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
1.0
|
30.60 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.36
|
180 km | 0.85 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.67 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.0
|
0.00 [0,1] | 0.6 |
91
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Site Elevation
|
1.0
|
6854 m AMSL | 1.0 |
|
Local Aqi
|
0.95
|
10.53 AQI | 0.82 |
|
Horizon Obstruction Index
|
0.9
|
3.03 ° | 0.9 |
|
Satellite Trail Density
|
0.86
|
13.92 tr/hr | 0.75 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
Site Characteristics
Elevation
6854 m
Horizon
3.0°
Light Pollution
30.6 mag
Nearest City
160.6 km
pop 11k
Nearest Water
221.4 km
Thermal Index
0.3
Roughness
0.325
Elev. Change
1195 m
Coordinates
-27.11, -68.54
Algorithm
WGM = 53.82
x
Gate = 0.7609
=
41.0
/ 100
NSQI v0.3.0