DarkCast
11.7
Poor
37/39 factors
00:43 UTC · Mar 03
1.2
Peak
Unusable in +22h
Tue Mar 03, 22:43 UTC
Sky Clarity
Fair
51
Significant cloud cover reducing visibility
Darkness
Poor
5
Significant light pollution or bright moon
Celestial
Good
85
No moon or celestial interference
Conditions
Fair
48
Risk of dew or frost on optics
Site
Coordinates
67.86, 20.22
Elevation
539 m
Light Pollution
18.8 mag
Biggest Drags on Score
0.0
Light Pollution
0.05
Seeing
0.14
Seeing
0.18
Weather
0.2
Light Pollution
65
Transparency
24.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Fog Probability
GATE
|
1.0
|
0.02 — | 0.85 |
|
Wildfire Smoke Density
GATE
|
1.0
|
0.00 — | 0.82 |
|
Ozone Column
|
0.94
|
314 DU | 0.94 |
|
Aod 550nm
|
0.92
|
0.04 — | 0.87 |
|
Precipitable Water Vapor
|
0.86
|
6.82 mm | 0.85 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Volcanic Aerosol Stratospheric
|
0.83
|
0.02 — | 0.69 |
|
Total Cloud Fraction
|
0.34
|
0.66 [0,1] | 0.8 |
|
Humidity Profile Extinction
RESIDUAL
|
0.32
|
0.48 — | 0.85 |
85
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Solar Depression Angle
|
1.0
|
26.20 ° | 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
|
0.64
|
1.78 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.83
|
0.17 — | 0.95 |
40
Weather
14.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Precipitation Probability
GATE
|
1.0
|
0.00 — | 0.75 |
|
Surface Wind Speed
|
0.76
|
9.76 km/h | 0.85 |
|
Ground Thermal Emission Phase
|
0.55
|
0.55 — | 1.0 |
|
Barometric Pressure Trend
|
0.3
|
-3.12 hPa/3hr | 0.85 |
|
Frost Dew On Optics Risk
|
0.18
|
0.82 — | 0.85 |
|
Condition Stability Forecast
RESIDUAL
|
0.43
|
0.43 — | 0.85 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.4
|
263 K | 0.89 |
|
Dew Point Convergence Rate
RESIDUAL
|
0.38
|
1.85 K/hr | 0.89 |
36
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-24.20 K/km | 0.89 |
|
Jet Stream Speed
|
0.51
|
73.47 kt | 0.8 |
|
Terrain Turbulence Risk
|
0.14
|
0.86 — | 0.85 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.89 |
|
Inversion Layer Strength
RESIDUAL
|
0.24
|
0.89 K | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.05
|
47.54 kt | 0.8 |
5
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
0.46
|
18.76 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.2
|
395 km | 0.85 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.76
|
0.23 [0,1] | 0.6 |
|
Cloud Amplified Skyglow
RESIDUAL
|
0.0
|
7.68 Δmag/arcsec² | 0.8 |
56
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Local Aqi
|
0.99
|
2.07 AQI | 0.82 |
|
Satellite Trail Density
|
0.94
|
5.76 tr/hr | 0.75 |
|
Horizon Obstruction Index
|
0.92
|
2.38 ° | 0.9 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Site Elevation
|
0.22
|
539 m AMSL | 1.0 |
Site Characteristics
Elevation
539 m
Horizon
2.4°
Light Pollution
18.8 mag
Nearest City
1.1 km
pop 18k
Nearest Water
9.7 km
Thermal Index
0.3
Roughness
0.066
Elev. Change
54 m
Coordinates
67.86, 20.22
Algorithm
WGM = 33.84
x
Gate = 0.3445
=
11.7
/ 100
NSQI v0.3.0