DarkCast
0.1
Unusable
37/39 factors
00:43 UTC · Mar 03
34.4
Peak
Fair in +67h
Thu Mar 05, 19:43 UTC
Sky Clarity
Poor
5
Heavy cloud cover or poor transparency
Darkness
Poor
16
Significant light pollution or bright moon
Celestial
Poor
1
Sky too bright — sun near horizon
Conditions
Poor
23
Poor weather — rain, wind, or humidity
Site
Coordinates
35.68, 139.69
Elevation
36 m
Light Pollution
17.8 mag
Biggest Drags on Score
0.0
Transparency
0.0
Celestial
0.0
Transparency
0.0
Seeing
0.0
Light Pollution
6
Transparency
24.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Fog Probability
GATE
|
1.0
|
0.00 — | 0.85 |
|
Wildfire Smoke Density
GATE
|
1.0
|
0.05 — | 0.82 |
|
Total Cloud Fraction
|
1.0
|
0.00 [0,1] | 0.8 |
|
Ozone Column
|
0.93
|
242 DU | 0.94 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Precipitable Water Vapor
|
0.56
|
21.95 mm | 0.85 |
|
Aod 550nm
|
0.48
|
0.26 — | 0.87 |
|
Volcanic Aerosol Stratospheric
|
0.0
|
0.11 — | 0.69 |
|
Humidity Profile Extinction
RESIDUAL
|
0.0
|
0.74 — | 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
|
0.99
|
0.01 — | 0.9 |
|
Solar Depression Angle
|
0.0
|
0.00 ° | 1.0 |
|
Galactic Plane Brightness
RESIDUAL
|
0.31
|
0.69 — | 0.95 |
24
Weather
14.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Precipitation Probability
GATE
|
0.05
|
0.70 — | 0.75 |
|
Frost Dew On Optics Risk
|
1.0
|
0.00 — | 0.85 |
|
Barometric Pressure Trend
|
1.0
|
0.14 hPa/3hr | 0.85 |
|
Surface Wind Speed
|
0.54
|
18.46 km/h | 0.85 |
|
Ground Thermal Emission Phase
|
0.0
|
0.00 — | 1.0 |
|
Ambient Temperature Comfort
RESIDUAL
|
1.0
|
284 K | 0.89 |
|
Condition Stability Forecast
RESIDUAL
|
0.95
|
0.95 — | 0.85 |
|
Dew Point Convergence Rate
RESIDUAL
|
0.87
|
0.40 K/hr | 0.89 |
4
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Jet Stream Speed
|
0.51
|
73.64 kt | 0.8 |
|
Boundary Layer Gradient
|
0.22
|
11.74 K/km | 0.89 |
|
Terrain Turbulence Risk
|
0.0
|
1.00 — | 0.85 |
|
Scintillation Index Estimate
RESIDUAL
|
0.93
|
0.81 " | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.49
|
25.58 kt | 0.8 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
16
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Nearest City Skyglow
|
0.95
|
5.44 km | 0.85 |
|
Zenith Sky Brightness
|
0.29
|
17.75 mag/arcsec² | 0.9 |
|
Cloud Amplified Skyglow
RESIDUAL
|
0.9
|
0.31 Δmag/arcsec² | 0.8 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.0
|
0.00 [0,1] | 0.6 |
21
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Satellite Trail Density
|
1.0
|
0.00 tr/hr | 0.75 |
|
Horizon Obstruction Index
|
0.9
|
3.02 ° | 0.9 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Local Aqi
|
0.62
|
76.61 AQI | 0.82 |
|
Site Elevation
|
0.01
|
36.10 m AMSL | 1.0 |
Site Characteristics
Elevation
36 m
Horizon
3.0°
Light Pollution
17.8 mag
Nearest City
5.4 km
pop 35.7M
Nearest Water
7.4 km
Thermal Index
0.3
Roughness
0.019
Elev. Change
9 m
Coordinates
35.68, 139.69
Algorithm
WGM = 6.46
x
Gate = 0.02
=
0.1
/ 100
NSQI v0.3.0