49.0
Fair
37/39 factors
00:31 UTC · Mar 03
53.3
Peak
Good in +4h
Tue Mar 03, 04:31 UTC
Sky Clarity
Good
75
Clear skies with excellent transparency
Darkness
Good
75
Very dark skies
Celestial
Good
74
Some celestial interference present
Conditions
Poor
22
Risk of dew or frost on optics
Site
Coordinates
51.77, -9.97
Elevation
0 m
Light Pollution
25.7 mag
Biggest Drags on Score
0.0
Local
0.04
Weather
0.17
Seeing
0.41
Weather
0.42
Celestial
80
Transparency
24.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Fog Probability
GATE
|
1.0
|
0.20 — | 0.86 |
|
Wildfire Smoke Density
GATE
|
1.0
|
0.01 — | 0.83 |
|
Total Cloud Fraction
|
1.0
|
0.00 [0,1] | 0.81 |
|
Airglow Intensity
|
0.86
|
71.90 R | 0.6 |
|
Precipitable Water Vapor
|
0.82
|
9.16 mm | 0.86 |
|
Aod 550nm
|
0.8
|
0.10 — | 0.88 |
|
Ozone Column
|
0.69
|
367 DU | 0.94 |
|
Volcanic Aerosol Stratospheric
|
0.66
|
0.03 — | 0.69 |
|
Humidity Profile Extinction
RESIDUAL
|
0.55
|
0.32 — | 0.86 |
74
Celestial
15.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Solar Depression Angle
|
1.0
|
44.93 ° | 1.0 |
|
Aurora Activity
|
1.0
|
0.00 Kp [0-9] | 0.66 |
|
Zodiacal Light Intensity
|
1.0
|
0.00 — | 0.9 |
|
Lunar Sky Brightness Contribution
|
0.42
|
2.91 Δmag/arcsec² | 0.95 |
|
Galactic Plane Brightness
RESIDUAL
|
0.84
|
0.16 — | 0.95 |
44
Weather
14.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Precipitation Probability
GATE
|
1.0
|
0.00 — | 0.77 |
|
Surface Wind Speed
|
0.77
|
9.27 km/h | 0.86 |
|
Ground Thermal Emission Phase
|
0.74
|
0.74 — | 1.0 |
|
Barometric Pressure Trend
|
0.41
|
2.67 hPa/3hr | 0.86 |
|
Frost Dew On Optics Risk
|
0.04
|
0.96 — | 0.86 |
|
Dew Point Convergence Rate
RESIDUAL
|
1.0
|
0.00 K/hr | 0.91 |
|
Ambient Temperature Comfort
RESIDUAL
|
0.94
|
278 K | 0.91 |
|
Condition Stability Forecast
RESIDUAL
|
0.79
|
0.79 — | 0.86 |
71
Seeing
20.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Jet Stream Speed
|
0.92
|
12.72 kt | 0.81 |
|
Terrain Turbulence Risk
|
0.87
|
0.13 — | 0.86 |
|
Boundary Layer Gradient
|
0.82
|
2.76 K/km | 0.91 |
|
Scintillation Index Estimate
RESIDUAL
|
1.0
|
0.50 " | 0.91 |
|
Upper Atmosphere Wind Shear
RESIDUAL
|
0.85
|
7.40 kt | 0.81 |
|
Inversion Layer Strength
RESIDUAL
|
0.17
|
0.00 K | 0.91 |
75
Light Pollution
19.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Zenith Sky Brightness
|
1.0
|
25.74 mag/arcsec² | 0.9 |
|
Nearest City Skyglow
|
0.49
|
105 km | 0.85 |
|
Cloud Amplified Skyglow
RESIDUAL
|
1.0
|
0.00 Δmag/arcsec² | 0.81 |
|
Commercial Shutoff Factor
RESIDUAL
|
0.46
|
0.14 [0,1] | 0.6 |
1
Local
8.0% weight| Factor | Normalized | Raw | Confidence |
|---|---|---|---|
|
Satellite Trail Density
|
0.99
|
0.72 tr/hr | 0.75 |
|
Horizon Obstruction Index
|
0.96
|
1.23 ° | 0.9 |
|
Local Aqi
|
0.85
|
30.01 AQI | 0.83 |
|
Local Thermal Sources
|
0.7
|
0.30 — | 0.7 |
|
Site Elevation
|
0.0
|
0.00 m AMSL | 1.0 |
Site Characteristics
Elevation
0 m
Horizon
1.2°
Light Pollution
25.7 mag
Nearest City
44.1 km
pop 12k
Nearest Water
2.0 km
Thermal Index
0.3
Roughness
0.155
Elev. Change
54 m
Coordinates
51.77, -9.97
Algorithm
WGM = 49.08
x
Gate = 0.9994
=
49.0
/ 100
NSQI v0.3.0