NGC1617 + IC2085 Galaxies in Doradus

The bigger of these two Doradus galaxies is NGC1617, a (R')SAB(rs)a-typed barred spiral. With a brightness of 10.5 mag and an apparent size of 4,3′ × 2,1′ it is an easy telescope object, even for visual observers.

The real distance of this galaxy is about 48 mio. light-years.The smaller galaxy, IC2085,belongs together with NGC1617 to the Dorado group of galaxies.

NGC1617 was discovered in 1826 by James Dunlop.


position (epoch 2000):

RA.:     04h 31m 39,5s
Decl.:   -54° 36m 08,2s


image data:

LRGB image with L = 18x1200s, RGB = 5x1200s each, a total of 11 hours

80cm f/7 AstroOptik Keller corrected cassegrain, FLI Proline 16803 Astrodon LRGB GenII filters

Prompt 7 CTIO/UNC Chile, remote controlled image

image processing: Bernd Flach-Wilken


this picture shows NGC1617 and IC 2085 in an 98% FOV of the FLI-camera.Click here for a full-resolution picture


here is a more detailed look:


here is a look to the core of NGC1617,taken with the HST




Last modified on Saturday, 13 January 2018 17:08

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