NGC5982 Galaxy Group

"The Draco Trio"

Galaxies in Draco

Uploaded 5/13/05

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 This is an extraordinary galaxy group in numerous ways. Here we find a collection of three bright dissimilar objects in a small area of sky, each one revealing subtle but beautiful structural details. On the left is the stunning SAB(r)b spiral NGC5985, a 11.9 magnitude galaxy with a 5 degree inclination, and a nice sized 5.5 arcminutes wide. Look closely especially in the larger images for pink HII regions and blue OB Associations in the arms of this one. In the center is NGC5982, a 12.0 magnitude E3 Elliptical galaxy that is 2.5 arcminutes in extent and seen faintly here has a outer halo of material. It is faintly yellow in color, as is typical of Elliptical galaxies. On the right is the nearly edge on (7 degree inclination) Sc spiral NGC5981. It is 3.1 arcminutes long, and has a visible brownish dust lane through its equator, a stellar nucleus, and is quite faint at 13.9 magnitude.

Other objects in the field include the distant inclined spiral SA0 galaxy NGC5976 on the extreme right edge, at 15.8 magnitude with a small yellow patch of light to its lower right exactly on the edge of the frame - 7ZW615, a rare class C galaxy of 18th magnitude that is .2 arcminutess in diameter. There are lots of very faint 17 - 20th magnitude objects in this field, I strongly recommend the largest image to drive around in!

Instrument: 12.5" f/5 Home made Newtonian Platform: Astrophysics 1200 QMD CCD Camera: SBIG 10XME NABG with Enhanced Cooling Guider: SBIG ST4 Exposure: LRGB = 60:20:20:20 (RGB Binned 2x2) RGB Combine Ratio: 1: 1.05: 1.11 (G2V Balanced) Filters: AstroDon RGB Tricolor Location: Payson, Arizona Elevation: 5150 ft. Sky: Seeing FWHM = 6.5 arcsec (Maxim DL - 10min subframe), Transparency 8/10 Outside Temperature: 10 C CCD Temperature: -20 C Processing Tools: Maxim DL, Photoshop, PixInsight, RW Debloomer. HOME GALAXIES EMISSION NEBS REFLECTION NEBS COMETS GLOBULARS OPEN CLUST PLANETARIES LINKS


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