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Arnavutköy

41.184° N   28.740° E  ·  147 M
67 /100
PEAK
Worth setting up — 7 hours of workable sky from 22:00.
BEST WINDOW 22:00–05:00 · ASTRO DARK 22:00–05:00 · MOON 0%
Transparency
0.40
Seeing
0.71
Cloud
0%
Moon
0%

Good tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
20
21
22
23
00
01
02
03
04
05
06
0
11
64
67
64
63
52
48
49
29
0
BEST WINDOW
Low cloud
41%
45%
5%
0%
2%
1%
16%
21%
18%
16%
11%
Mid cloud
0%
0%
0%
0%
0%
0%
0%
1%
0%
1%
0%
High cloud
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Transparency
0.42
0.40
0.33
0.31
0.28
0.22
0.21
0.21
0.21
0.25
0.28
Seeing
0.60
0.62
0.69
0.71
0.67
0.66
0.62
0.58
0.52
0.49
0.48
Moon clear
0%
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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
20 Clouded out · 0/100
Starting from
100
Cloud
−41
Transparency
−14
Seeing
−5
Moonlight
−0
Darkness
−41
Score
0
CLOUD 41% LOW 41% MID 0% HIGH 0% SUN 0.8° MOON 2.6° / 0% WIND 6 TEMP 24°
Excellent 75+ Good 55+ Fair 35+ Poor 15+ Not worth it Seeing is estimated from surface wind — see how we score.

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 21:30 · OBSERVE 22:00–05:00 · 7H · MEAN 61

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

202200020406
CLOUD BREAKS 22:00TWILIGHT BEGINS 05:00
SET UP 21:30 · OBSERVE 22:00–06:00 · 8H · MEAN 62

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

202200020406
CLOUD BREAKS 22:00TWILIGHT BEGINS 06:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 21:30 · OBSERVE 22:00–05:00 · 7H · MEAN 58

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

202200020406
CLOUD BREAKS 22:00TWILIGHT BEGINS 05:00
SET UP 21:30 · OBSERVE 22:00–05:00 · 7H · MEAN 48

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

202200020406
CLOUD BREAKS 22:00TWILIGHT BEGINS 05:00
SET UP 21:30 · OBSERVE 22:00–05:00 · 7H · MEAN 67

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

202200020406
CLOUD BREAKS 22:00TWILIGHT BEGINS 05:00
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The next week of nights

Tonight · 12 Aug
67
Good
MOON 0%
22:00–05:00
Tomorrow · 13 Aug
66
Good
MOON 2%
22:00–05:00
Friday · 14 Aug
63
Good
MOON 6%
22:00–05:00
Saturday · 15 Aug
45
Fair
MOON 13%
03:00–04:00
Sunday · 16 Aug
81
Excellent
MOON 21%
03:00–04:00
Monday · 17 Aug
71
Good
MOON 30%
03:00–04:00
Tuesday · 18 Aug
67
Good
MOON 39%
03:00–04:00
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Nearby locations

About this forecast

Conditions for Arnavutköy, Türkiye 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 →