DarkCast
37.4
Fair
37/39 factors
00:43 UTC · Mar 03
58.7
Peak
Good in +9h
Tue Mar 03, 09:43 UTC
Sky Clarity
Good
70
Good transparency, minimal haze
Darkness
Poor
21
Significant light pollution or bright moon
Celestial
Good
82
No moon or celestial interference
Conditions
Fair
63
Marginal weather conditions
Site
Coordinates
41.66, -77.82
Elevation
698 m
Light Pollution
25.0 mag
Biggest Drags on Score
0.0
Light Pollution
0.17
Seeing
0.28
Local
0.37
Seeing
0.37
Light Pollution
82
Transparency
24.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Fog Probability
GATE
|
1.0
|
0.03 — | 0.85 |
|
Wildfire Smoke Density
GATE
|
1.0
|
0.01 — | 0.82 |
|
Ozone Column
|
1.0
|
281 DU | 0.94 |
|
Precipitable Water Vapor
|
0.92
|
4.03 mm | 0.85 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Aod 550nm
|
0.86
|
0.07 — | 0.87 |
|
Volcanic Aerosol Stratospheric
|
0.79
|
0.02 — | 0.69 |
|
Total Cloud Fraction
|
0.67
|
0.33 [0,1] | 0.67 |
|
Humidity Profile Extinction
RESIDUAL
|
0.66
|
0.24 — | 0.85 |
82
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Solar Depression Angle
|
1.0
|
19.45 ° | 1.0 |
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.63 |
|
Zodiacal Light Intensity
|
0.99
|
0.01 — | 0.9 |
|
Lunar Sky Brightness Contribution
|
0.68
|
1.62 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.53
|
0.47 — | 0.95 |
69
Weather
14.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Precipitation Probability
GATE
|
1.0
|
0.00 — | 0.75 |
|
Frost Dew On Optics Risk
|
0.83
|
0.17 — | 0.85 |
|
Surface Wind Speed
|
0.81
|
7.77 km/h | 0.85 |
|
Barometric Pressure Trend
|
0.59
|
2.04 hPa/3hr | 0.85 |
|
Ground Thermal Emission Phase
|
0.45
|
0.45 — | 1.0 |
|
Condition Stability Forecast
RESIDUAL
|
0.74
|
0.74 — | 0.85 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.61
|
268 K | 0.89 |
|
Dew Point Convergence Rate
RESIDUAL
|
0.6
|
1.19 K/hr | 0.89 |
58
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Boundary Layer Gradient
|
1.0
|
-6.67 K/km | 0.89 |
|
Terrain Turbulence Risk
|
0.9
|
0.10 — | 0.85 |
|
Jet Stream Speed
|
0.45
|
83.13 kt | 0.8 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.89 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.37
|
31.49 kt | 0.8 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.89 |
21
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
1.0
|
25.04 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.37
|
169 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 |
58
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Horizon Obstruction Index
|
0.92
|
2.40 ° | 0.9 |
|
Local Aqi
|
0.85
|
29.02 AQI | 0.82 |
|
Satellite Trail Density
|
0.81
|
18.72 tr/hr | 0.75 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Site Elevation
|
0.28
|
698 m AMSL | 1.0 |
Site Characteristics
Elevation
698 m
Horizon
2.4°
Light Pollution
25.0 mag
Nearest City
96.3 km
pop 88k
Nearest Water
97.6 km
Thermal Index
0.3
Roughness
0.133
Elev. Change
82 m
Coordinates
41.66, -77.82
Algorithm
WGM = 55.85
x
Gate = 0.6704
=
37.4
/ 100
NSQI v0.3.0