NGC 4490
Barred spiral galaxy in the constellation of Canes Venatici.
Barred spiral galaxy in the constellation of Canes Venatici.
NGC 4490 is a barred spiral galaxy of Hubble type SBcd with extended star forming regions in the constellation Canes Venatici in the northern sky.
| Object: | NGC 4490 |
| Date of exposures: | 29.03.2020, 30.03.2020 |
| Exposures: | Lum.: 67 x 180", RGB: 137 x 180", Sum: 10,2 hrs. |
| Telescope: | 10'', F4 Newton |
| Focal length: | 1000 mm |
| Filter: | Astrodon LRGB, E-Series |
| Camera: | ASI 1600 MMC Pro |
| Guiding: | Off Axis Guider, Lodestar |
| Mount: | EQ8 |
It is estimated to be 27 million light years away from the Milky Way and has a diameter of about 50,000 light years. Together with NGC 4485, it forms the interacting galaxy pair Arp 269 or Holm 414, which is connected by a so-called tidal arm that extends into space some 24,000 light years. It is also considered a member of the NGC 4258 group (LGG 290). This pair of galaxies belongs to the class of double galaxies with connected arms.
The supernovae SN 1982F (Type II-P) and SN 2008ax (Type IIb) were observed here. The object was discovered on 14 January 1788 by the German-British astronomer Wilhelm Herschel.
Complete field:
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