NGC 4559
spiral galaxy in the constellation Coma Berenices.
spiral galaxy in the constellation Coma Berenices.
NGC 4559 is the name of a spiral galaxy in the constellation Coma Berenices. In 1941 a +13,2 mag Type II supernova exploded in this galaxy (SN 1941a). Astronomers indicate the distance of the galaxy between 20-30 million light years.
| Object: | NGC 4559 |
| Date of exposures: | 14.03.2018, 17.03.2018, 18.03.2018 |
| Exposures: | Lum: 70 x 480 Sec., RGB: 59 x 360 Sec., Sum: 15,2 hrs. |
| Telescope: | 10'', F4 Newton |
| Focal length: | 1000 mm |
| Filter: | Astrodon LRGB E-Series, Astronomik CLS CCD Filter |
| Camera: | Atik 460Exm |
| Guiding: | Off Axis Guider, Lodestar |
| Mount: | EQ8 |
Astronomers indicate the distance of the galaxy between 20-30 million light years (by redshift measurements the galaxy is 35 million light years away). Like many nearby spiral galaxies, NGC 4559 shows bright star-forming regions and dust trajectories in its extended arms. There are also a number of background galaxies and groups of galaxies in this image. The most prominent are IC 3598, IC 3593 and IC 3592.
NGC 4559 has an angular expansion of 10.7' x 4.4' and an apparent brightness of +9.6 mag. The galaxy NGC 4559 was discovered on 11 April 1785 by the German-British astronomer Wilhelm Herschel. The galaxy is number 36 in the Caldwell catalogue.
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