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Contains:  IC 5294, IC 5308, NGC 7552, NGC 7582, NGC 7590, NGC 7599
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The Grus Quartet, 


            Steffen Boelaars
The Grus Quartet
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The Grus Quartet

Technical card

Imaging telescopes or lenses:Sigma 150-600mm F5-6.3 DG OS HSM | C

Imaging cameras:Nikon D7500

Mounts:iOptron CEM25-EC

Software:PixInsight 1.8

Accessory:QHYCCD Polemaster

Dates:Aug. 24, 2019

Frames: 128x90" ISO6400

Integration: 3.2 hours

Darks: ~100

Flats: ~100

Bias: ~100

Avg. Moon age: 23.00 days

Avg. Moon phase: 40.96%

Bortle Dark-Sky Scale: 1.00

Temperature: 4.00

Basic astrometry details job: 2885184

RA center: 23h 17' 32"

DEC center: -42° 14' 6"

Pixel scale: 1.499 arcsec/pixel

Orientation: 268.167 degrees

Field radius: 1.253 degrees

Resolution: 4860x3553

Locations: Star Field, Ruakokoputuna, Wellington, New Zealand

Data source: Own remote observatory

Remote source: Non-commercial independent facility


While there are 4 galaxies prominently visible here, the Grus Quartet, there are many more to be seen. Can you spot them all? :-)



Steffen Boelaars
License: None (All rights reserved)

Sky plot

Sky plot


The Grus Quartet, 


            Steffen Boelaars