NGC 7635 Bubble Nebula
Emission nebula in the constellation Cassiopeia.
Emission nebula in the constellation Cassiopeia.
NGC 7635, also called Bubble Nebula, is an emission nebula and a HII region in the constellation of Cassiopeia, which is about 7100 light years away from Earth.
| Object: | NGC 7635 Bubble Nebula |
| Date of exposures: | 04.11.2020, 06.11.2020, 07.11.2020 |
| Distance: | 7.100 Lightyears |
| Exposures: | Ha: 44 x 300", OIII: 55 x 300", RGB: 76 x 180", Sum: 12,0 hrs. |
| Telescope: | 10'', F4 Newton |
| Focal length: | 1000 mm |
| Filter: | Astrodon H-Alpha 5nm, OIII 3nm, E-Series RGB |
| Camera: | ASI 1600 MMC Pro |
| Guiding: | Off Axis Guider, Lodestar |
| Mount: | EQ8 |
It is located near the open star cluster Messier 52, named after a bubble formed by the solar wind of a Wolf-Rayet star. NGC 7635 was discovered on November 3, 1787 by the German-British astronomer William Herschel.
In this image with a larger field of 2015 short exposed RGB data were mixed with H-Alpha data as luminance. The image was taken with the Takahashi FSQ-85 and exposed for about 4.5 hours:
Even older shot with DSLR camera from 2014:
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