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Bābolsar

36.699° N   52.650° E
68 /100
PEAK
Worth setting up — 6 hours of workable sky from 22:30.
BEST WINDOW 22:30–04:30 · ASTRO DARK 21:30–04:30 · MOON 0%
Transparency
0.52
Seeing
0.95
Cloud
10%
Moon
0%

Good tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
21
22
23
00
01
02
03
04
05
20
68
66
62
52
45
47
9
0
BEST WINDOW
Low cloud
69%
6%
10%
16%
29%
38%
17%
47%
26%
Mid cloud
19%
7%
2%
2%
3%
5%
15%
14%
21%
High cloud
2%
1%
0%
1%
0%
0%
26%
5%
8%
Transparency
0.52
0.49
0.47
0.45
0.43
0.42
0.41
0.40
0.40
Seeing
0.92
0.88
0.80
0.80
0.89
0.93
0.95
0.95
0.94
Moon clear
down
down
down
down
down
down
down
down
down
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
21 Poor · 20/100
Starting from
100
Cloud
−74
Transparency
−5
Seeing
−0
Moonlight
−0
Darkness
−0
Score
20
CLOUD 70% LOW 69% MID 19% HIGH 2% SUN -26.8° MOON -25.2° / 0% WIND 3 TEMP 29°
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
Conditions for planets and the Moon

Seeing is everything. Darkness and moonlight barely matter, and a hazy, humid night that ruins deep-sky work is often the steadiest night of the year for planetary detail.

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 22:00 · OBSERVE 22:30–04:30 · 6H · MEAN 58

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

2123010305
CLOUD BREAKS 22:30TWILIGHT BEGINS 04:30
SET UP 22:00 · OBSERVE 22:30–04:30 · 6H · MEAN 63

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

2123010305
CLOUD BREAKS 22:30TWILIGHT BEGINS 04:30MOONLIGHT IGNORED FOR THIS TARGET
SET UP 22:00 · OBSERVE 22:30–04:30 · 6H · MEAN 55

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

2123010305
CLOUD BREAKS 22:30TWILIGHT BEGINS 04:30
SET UP 22:00 · OBSERVE 22:30–02:30 · 4H · MEAN 50

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

2123010305
CLOUD BREAKS 22:30
SET UP 22:00 · OBSERVE 22:30–04:30 · 6H · MEAN 58

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

2123010305
CLOUD BREAKS 22:30TWILIGHT BEGINS 04:30
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The next week of nights

Tonight · 12 Aug
68
Good
MOON 0%
22:30–04:30
Tomorrow · 13 Aug
43
Fair
MOON 2%
21:30–22:30
Friday · 14 Aug
71
Good
MOON 6%
22:30–04:30
Saturday · 15 Aug
16
Poor
MOON 13%
Sunday · 16 Aug
47
Fair
MOON 21%
03:30–04:30
Monday · 17 Aug
80
Excellent
MOON 30%
21:30–22:30
Tuesday · 18 Aug
77
Excellent
MOON 39%
21:30–22:30
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Nearby locations

About this forecast

Conditions for Bābolsar, Iran 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 →