NGC 3718
Curved spiral galaxy in the constellation of the Big Dipper.
Curved spiral galaxy in the constellation of the Big Dipper.
NGC 3718 is a curved spiral galaxy in the constellation of the Big Dipper and was discovered by Wilhelm Herschel on April 12, 1789.
| Object: | NGC 3718 |
| Date of exposures: | 04.05.2016, 05.05.2016, 06.05.2016, 02.03.2022, 03.03.2022, 05.03.2022, 06.03.2022 |
| Distance: | 52 Mio. Lightyears |
| Exposures: | 2016: Lum: 36 x 600 Sec., RGB 62 x 360 Sec., Sum: 12,2 hrs. + 2022: Lum: 165 x 180 Sec., RGB 177 x 180 Sec., Sum: 17 hrs. |
| Telescope: | 10'', F4 Newton |
| Focal length: | 1000mm |
| Filter: | Astrodon E-Series, LRGB |
| Camera: | Atik 460Exm |
| Guiding: | MGEN |
| Mount: | EQ8 |
The spiral arms of NGC 3718 appear bent and elongated and are speckled with young blue star clusters. Pulled out dust lanes obscure the yellowish central regions. About 150,000 light-years to the right lies another large spiral galaxy, NGC 3729. The two likely interact gravitationally. While this pair of galaxies is about 52 million light-years away, Hickson Group 56 is at the top of the image above NGC 3718. Hickson Group 56 consists of five interacting galaxies and is more than 400 million light-years away.
The picture was awarded "Amateur Astronomy Picture of the Day". http://www.aapodx2.com/2016/20160730.html
and appeared in the 09/2016 issue of the magazine "Sterne und Weltraum" as a reader image.
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