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Contains:  NGC 5985, NGC 5982, NGC 5981
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Draco Triplet (NCC 5981. NGC 5982, NGC 5985), 


            Colin McGill
Draco Triplet (NCC 5981. NGC 5982, NGC 5985)

Draco Triplet (NCC 5981. NGC 5982, NGC 5985)

Technical card

Resolution: 2628x2121

Dates:May 30, 2015

Frames: 133x600"

Integration: 22.2 hours

Avg. Moon age: 11.69 days

Avg. Moon phase: 89.65% job: 653463

RA center: 234.682 degrees

DEC center: 59.358 degrees

Pixel scale: 0.584 arcsec/pixel

Orientation: -179.763 degrees

Field radius: 0.274 degrees

Locations: Astro Camp, Nerpio, Albacete, Spain


A lovely galaxy triplet in Draco, showing different galaxy types. NGC 5981 is an edge on spiral, 5982 is an elliptical galaxy, while NGC 5985 is a near face on galaxy.

Interestingly, you can make out a couple of outer shells in the elliptical galaxy, signs of gravitational interaction - I wasn't entirely sure they were real, but are also there in APOD photos. Finally, if you look hard, the background around the galaxies is slightly brighter - there has been an envelope of hydrogen detected in the CLOGS study surrounding these galaxies - not sure if its that, or just poor flat fielding!



Colin McGill
License: None (All rights reserved)

Sky plot

Sky plot


Draco Triplet (NCC 5981. NGC 5982, NGC 5985), 


            Colin McGill