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Challenges
Bortle 4: rural and suburban sky
A rural and suburban sky. Galaxies lose some contrast. Nebulae and star clusters show well.
59 images by 6 photographers.
1
(0)
2
(6)
3
(7)
4
(59)
5
(37)
6
(297)
7
(250)
8
(0)
9
(1)
Most imaged objects from Bortle 4
π Sco
Fang
1 image
M 4
1 image
14 Sgr
1 image
M 19
1 image
M 21
1 image
M 12
1 image
M 22
1 image
M 16
Eagle Nebula
1 image
M 81
Bode's Galaxy
1 image
M 17
Omega Nebula
1 image
NGC 6235
1 image
M 80
1 image
Best images from Bortle 4
The Bortle class of an image comes from the light pollution map at its position, or from the owner. The map never gives class 9. For class 9, the owner sets the class.
M 81
DeepSkyKurt
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0
0
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NGC 6235
DeepSkyKurt
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0
0
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NGC 6544
DeepSkyKurt
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0
0
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NGC 6522
DeepSkyKurt
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0
0
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NGC 6553
DeepSkyKurt
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0
0
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NGC 6144
DeepSkyKurt
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0
0
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NGC 6451
DeepSkyKurt
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0
0
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NGC 6355
DeepSkyKurt
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0
0
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NGC 6293
DeepSkyKurt
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0
0
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NGC 6712
DeepSkyKurt
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0
0
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NGC 6316
DeepSkyKurt
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0
0
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NGC 5694
DeepSkyKurt
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0
0
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M 27
DeepSkyKurt
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0
0
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14 Sagittarii
DeepSkyKurt
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0
0
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M 4
DeepSkyKurt
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0
0
0 likes, 0 views
NGC 6517
DeepSkyKurt
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0
0
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NGC 6645
DeepSkyKurt
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0
0
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NGC 6401
DeepSkyKurt
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0
0
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M 19
DeepSkyKurt
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0
0
0 likes, 0 views
NGC 6539
DeepSkyKurt
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0
0
0 likes, 0 views
IC 1276
DeepSkyKurt
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0
0
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M 9
DeepSkyKurt
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0
0
0 likes, 0 views
NGC 6356
DeepSkyKurt
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0
0
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NGC 3718
DeepSkyKurt
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0
0
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NGC 6027
DeepSkyKurt
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0
0
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NGC 4244
DeepSkyKurt
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0
0
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NGC 5746
DeepSkyKurt
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0
0
0 likes, 0 views
NGC 4449
DeepSkyKurt
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0
2
0 likes, 2 views
NGC 6366
DeepSkyKurt
Plus
0
1
0 likes, 1 view