DarkCast
0.3
Unusable
37/39 factors
00:54 UTC · Mar 03
40.6
Peak
Fair in +36h
Wed Mar 04, 12:54 UTC
Sky Clarity
Fair
47
Moderate clouds or haze present
Darkness
Poor
10
Significant light pollution or bright moon
Celestial
Poor
1
Sky too bright — sun near horizon
Conditions
Poor
29
Poor weather — rain, wind, or humidity
Site
Coordinates
64.84, -147.72
Elevation
136 m
Light Pollution
17.9 mag
Biggest Drags on Score
0.0
Celestial
0.0
Seeing
0.0
Light Pollution
0.0
Weather
0.05
Local
87
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 |
|
Total Cloud Fraction
|
1.0
|
0.00 [0,1] | 0.65 |
|
Precipitable Water Vapor
|
0.97
|
1.33 mm | 0.83 |
|
Aod 550nm
|
0.94
|
0.03 — | 0.87 |
|
Volcanic Aerosol Stratospheric
|
0.88
|
0.01 — | 0.69 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Ozone Column
|
0.64
|
374 DU | 0.93 |
|
Humidity Profile Extinction
RESIDUAL
|
0.57
|
0.30 — | 0.83 |
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] | 0.61 |
|
Zodiacal Light Intensity
|
0.99
|
0.01 — | 0.9 |
|
Solar Depression Angle
|
0.0
|
0.00 ° | 1.0 |
|
Galactic Plane Brightness
RESIDUAL
|
0.21
|
0.79 — | 0.95 |
22
Weather
14.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Precipitation Probability
GATE
|
1.0
|
0.00 — | 0.74 |
|
Frost Dew On Optics Risk
|
0.98
|
0.02 — | 0.83 |
|
Surface Wind Speed
|
0.96
|
1.66 km/h | 0.83 |
|
Barometric Pressure Trend
|
0.68
|
-1.77 hPa/3hr | 0.83 |
|
Ground Thermal Emission Phase
|
0.0
|
0.00 — | 1.0 |
|
Condition Stability Forecast
RESIDUAL
|
0.72
|
0.72 — | 0.83 |
|
Dew Point Convergence Rate
RESIDUAL
|
0.47
|
1.59 K/hr | 0.88 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.19
|
256 K | 0.88 |
6
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Jet Stream Speed
|
0.79
|
31.39 kt | 0.79 |
|
Boundary Layer Gradient
|
0.73
|
4.03 K/km | 0.88 |
|
Terrain Turbulence Risk
|
0.0
|
1.00 — | 0.83 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.88 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.66
|
17.17 kt | 0.79 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.88 |
10
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
0.32
|
17.89 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.19
|
419 km | 0.85 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.65 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.0
|
0.00 [0,1] | 0.6 |
36
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Satellite Trail Density
|
1.0
|
0.00 tr/hr | 0.75 |
|
Horizon Obstruction Index
|
0.96
|
1.16 ° | 0.9 |
|
Local Aqi
|
0.94
|
11.43 AQI | 0.82 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Site Elevation
|
0.05
|
136 m AMSL | 1.0 |
Site Characteristics
Elevation
136 m
Horizon
1.2°
Light Pollution
17.9 mag
Nearest City
0.6 km
pop 57k
Nearest Water
265.2 km
Thermal Index
0.3
Roughness
0.074
Elev. Change
22 m
Coordinates
64.84, -147.72
Algorithm
WGM = 12.59
x
Gate = 0.02
=
0.3
/ 100
NSQI v0.3.0