NGC6902 Galaxy in Sagittarius

NGC6902 is an active spiral galaxy of Hubble-type SA(r)b in the constellation of Sagittarius.Sized 5.60 × 3.9 arcmin. and a visual brightness of can be observed with mid-sized telescopes of 6inch aperture or larger.

The real distance of this multi-armed galaxy is about 125mio.light-years away from our own milky-way.Together with the galaxy IC4946 (not on this photo) other weak examples it´s forming the NGC6902 galaxy-group.

NGC6902 was dicovered by John Herschel in 1836.


position (epoch 2000):

RA.:20h 24m 28,1s
Decl-: -43° 39′ 13″


image data:

LRGB image with L = 23x1200s, RGB = 8x1200s each,a total of 15.7 hours

80cm f/7 AstroOptik Keller corrected cassegrain FLI Proline 16803 Astrodon LRGB Gen-II filters

Prompt 7 CTIO/UNC Chile,remote controlled image

processing: Bernd Flach-Wilken


here you see the multi-armed spiral-galaxy NGC6902 in a 75%-FOV (17´x17´) together with PGC546866 to the upper right.

To get full resolution: click here

here is a more detailed look  to NGC6902


click here for a look to NGC6902 with ESO´s SPECULOOS 1m Richtchey-Chrétien-telescope with its highly sensitive near-infrared camera



Last modified on Wednesday, 06 November 2019 10:24

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