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Contains:  NGC 2539, The star 19Pup
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NGC 2539, 


            Gary Imm
NGC 2539

NGC 2539

Technical card

Resolution: 5363x3497

Dates:Nov. 8, 2019

Astrodon Blue 31mm Gen2 I-Series: 20x120" (gain: 111.00) -20C bin 1x1
Astrodon Green 31mm Gen2 I-Series: 20x120" (gain: 111.00) -20C bin 1x1
Astrodon Red 31mm Gen2 I-Series: 20x120" (gain: 111.00) -20C bin 1x1

Integration: 2.0 hours

Avg. Moon age: 11.01 days

Avg. Moon phase: 84.86% job: 3046378

RA center: 8h 10' 36"

DEC center: -12° 49' 4"

Pixel scale: 0.495 arcsec/pixel

Orientation: 180.996 degrees

Field radius: 0.440

Locations: Backyard (Mag 20.8 - New Moon), Onalaska, Texas, United States

Data source: Backyard


This object is an open star cluster located 4000 light years away in the constellation of Puppis at a declination of -13 degrees. This magnitude 6.5 cluster of 125 stars spans 15 arc-minutes in our apparent view, which corresponds to a diameter of 17 light years.

The cluster is comprised of colorful stars in a large, rough oval shape that stands out subtlety from the starry background . The bright star in the image is the 5th magnitude star 19 Puppis. As with most bright stars in cluster images, this star is a foreground star and not a member of the cluster.



Gary Imm
License: None (All rights reserved)

Sky plot

Sky plot


NGC 2539, 


            Gary Imm