GoodSeeing
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Panjim

44.008° N   81.425° E  ·  766 M
77 /100
PEAK
A genuinely good night — 5 hours of clear, dark sky from 23:00.
BEST WINDOW 23:00–04:00 · ASTRO DARK 23:00–04:00 · MOON 0%
Transparency
0.57
Seeing
1.00
Cloud
3%
Moon
0%

Excellent tonight

Hour by hour, local to Panjim. Colour encodes the score and nothing else; every other measurement is luminance.

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
23
00
01
02
03
04
05
06
56
72
71
73
77
62
2
0
BEST WINDOW
Low cloud
0%
0%
0%
0%
0%
0%
0%
0%
Mid cloud
6%
6%
13%
4%
1%
0%
3%
1%
High cloud
51%
10%
1%
6%
3%
3%
88%
98%
Transparency
0.57
0.53
0.51
0.49
0.50
0.52
0.53
0.56
Seeing
0.99
1.00
0.98
0.94
0.93
0.95
0.99
0.96
Moon clear
down
down
down
down
down
down
down
0%
Inspect

Cloud tracks show clear sky — a longer bar is better. The figure inside each track is the raw measurement.

Why this hour scored what it did
23 Good · 56/100
Starting from
100
Cloud
−32
Transparency
−12
Seeing
−0
Moonlight
−0
Darkness
−0
Score
56
CLOUD 52% LOW 0% MID 6% HIGH 51% SUN -26.8° MOON -25.5° / 0% WIND 2 TEMP 21°
Excellent 75+ Good 55+ Fair 35+ Poor 15+ Not worth it Seeing is estimated from surface wind — see how we score.
Tonight's limiting factor
What the GoodSeeing score actually measures

One number from 0 to 100 per hour, combining cloud, transparency, seeing, moonlight and darkness. Cloud gates everything else — no amount of steady, dark air rescues an overcast sky.

What are you doing tonight?

The same forecast, weighted for the target. Planetary work barely cares about moonlight; long exposures die on high cloud a visual observer would never notice.

SET UP 22:30 · OBSERVE 23:00–05:00 · 6H · MEAN 67

Darkness and moonlight dominate. Faint fuzzies need a genuinely dark sky more than they need steady air.

23010305
CLOUD RETURNS 05:00
SET UP 22:30 · OBSERVE 23:00–05:00 · 6H · MEAN 79

Seeing is everything and moonlight is irrelevant. Bright targets punch through twilight, so darkness barely counts.

23010305
CLOUD RETURNS 05:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 22:30 · OBSERVE 23:00–05:00 · 6H · MEAN 64

Tolerates soft seeing, but high cloud wrecks a wide frame and moonlight raises the background everywhere.

23010305
CLOUD RETURNS 05:00
SET UP 22:30 · OBSERVE 23:00–05:00 · 6H · MEAN 55

Needs conditions to hold still for hours. Sustained transparency matters more than any single good hour.

23010305
CLOUD RETURNS 05:00
SET UP 22:30 · OBSERVE 23:00–05:00 · 6H · MEAN 69

Naked eye, whole sky. Total cloud and moonlight are the only things that count.

23010305
CLOUD RETURNS 05:00
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The next week of nights

Tonight · 12 Aug
77
Excellent
MOON 0%
23:00–04:00
Tomorrow · 13 Aug
89
Excellent
MOON 2%
22:00–04:00
Friday · 14 Aug
77
Excellent
MOON 6%
22:00–04:00
Saturday · 15 Aug
84
Excellent
MOON 12%
00:00–01:00
Sunday · 16 Aug
99
Excellent
MOON 19%
00:00–01:00
Monday · 17 Aug
12
Clouded out
MOON 28%
Tuesday · 18 Aug
87
Excellent
MOON 37%
00:00–01:00
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Nearby locations

About this forecast

Conditions for Panjim, China are computed from the MET Norway forecast model for these exact coordinates, combined with sun and moon positions we calculate directly. The score weighs cloud cover by layer, atmospheric transparency, estimated seeing, moonlight and how dark the sky actually gets. Read the full method →