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Contains:  IC 1173, IC 1178, IC 1181, IC 1183, IC 1185, IC1170, IC1172, IC1173, IC1176, IC1178, IC1179, IC1181, IC1182, IC1183, IC1184, IC1185, IC1188, IC1192, IC1193, IC1194, NGC 6040, NGC 6041, NGC 6045, NGC 6047, NGC6040, NGC6041, NGC6042, NGC6043, NGC6044, NGC6045, NGC6047, NGC6050, NGC6054, NGC6056
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Abell Galaxy Cluster 2151, 


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Abell Galaxy Cluster 2151

Technical card

Dates:May 23, 2014May 25, 2014

Baader Blue 36mm: 2x600" -15C bin 1x1
Baader Green 36mm: 4x600" -15C bin 1x1
Baader Luminance 36mm: 57x300" -15C bin 1x1
Baader Red 36mm: 4x600" -15C bin 1x1

Integration: 6.4 hours

Darks: ~20

Flats: ~20

Bias: ~100

Avg. Moon age: 25.25 days

Avg. Moon phase: 20.08%

Bortle Dark-Sky Scale: 5.00 job: 284816

RA center: 16h 5' 8"

DEC center: +17° 43' 47"

Pixel scale: 0.928 arcsec/pixel

Orientation: 0.574 degrees

Field radius: 0.536 degrees

Resolution: 3313x2496


This rich galaxy cluster is located in Hercules and is thought to be roughly 500 million light years distant. To put things in perspective, that is about nine times further than the Virgo cluster.

I had particularly transparent skies for this area last night and attempting a deep shot like this made sense. The brightest member is NGC 6041 at magnitude 14.3.

I like this group because it has so many different galaxy types and because so many of the galaxies are interacting.



License: None (All rights reserved)

Sky plot

Sky plot


Abell Galaxy Cluster 2151,