DarkCast
0.5
Unusable
37/39 factors
00:43 UTC · Mar 03
63.8
Peak
Good in +7h
Tue Mar 03, 07:43 UTC
Sky Clarity
Fair
59
Significant cloud cover reducing visibility
Darkness
Poor
24
Significant light pollution or bright moon
Celestial
Poor
1
Sky too bright — sun near horizon
Conditions
Fair
47
Marginal weather conditions
Site
Coordinates
47.8, -123.6
Elevation
1471 m
Light Pollution
24.7 mag
Biggest Drags on Score
0.0
Celestial
0.0
Light Pollution
0.0
Weather
0.16
Transparency
0.17
Seeing
60
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 |
|
Ozone Column
|
0.99
|
268 DU | 0.94 |
|
Aod 550nm
|
0.89
|
0.05 — | 0.87 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Precipitable Water Vapor
|
0.85
|
7.60 mm | 0.85 |
|
Volcanic Aerosol Stratospheric
|
0.75
|
0.02 — | 0.69 |
|
Total Cloud Fraction
|
0.16
|
0.84 [0,1] | 0.67 |
|
Humidity Profile Extinction
RESIDUAL
|
0.46
|
0.38 — | 0.85 |
1
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Lunar Sky Brightness Contribution
|
1.0
|
0.00 Δmag/arcsec² | 0.95 |
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.63 |
|
Zodiacal Light Intensity
|
0.98
|
0.02 — | 0.9 |
|
Solar Depression Angle
|
0.0
|
0.00 ° | 1.0 |
|
Galactic Plane Brightness
RESIDUAL
|
0.47
|
0.54 — | 0.95 |
29
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
|
0.99
|
-0.34 hPa/3hr | 0.85 |
|
Surface Wind Speed
|
0.9
|
4.13 km/h | 0.85 |
|
Ground Thermal Emission Phase
|
0.0
|
0.00 — | 1.0 |
|
Ambient Temperature Comfort
RESIDUAL
|
1.0
|
282 K | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.92
|
0.92 — | 0.85 |
|
Dew Point Convergence Rate
RESIDUAL
|
0.81
|
0.58 K/hr | 0.89 |
58
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-2.00 K/km | 0.89 |
|
Jet Stream Speed
|
0.72
|
41.86 kt | 0.8 |
|
Terrain Turbulence Risk
|
0.6
|
0.40 — | 0.85 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.27
|
36.46 kt | 0.8 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
24
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
1.0
|
24.72 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.58
|
72.83 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 |
66
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Satellite Trail Density
|
1.0
|
0.00 tr/hr | 0.75 |
|
Local Aqi
|
0.92
|
16.40 AQI | 0.82 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Site Elevation
|
0.59
|
1471 m AMSL | 1.0 |
|
Horizon Obstruction Index
|
0.46
|
16.14 ° | 0.9 |
Site Characteristics
Elevation
1471 m
Horizon
16.1°
Light Pollution
24.7 mag
Nearest City
72.8 km
pop 290k
Nearest Water
37.3 km
Thermal Index
0.3
Roughness
0.475
Elev. Change
216 m
Coordinates
47.8, -123.6
Algorithm
WGM = 23.54
x
Gate = 0.02
=
0.5
/ 100
NSQI v0.3.0