Emission nebula in the constellation Cepheus.
Sh2-132, also called the Lion Nebula, is a relatively faint emission nebula located about 10.000 light years away in the constellation of Cepheus.
Object: | Sh2-132 |
Date of exposures: | 05.09.2023 |
Distance: | ca. 10.000 Lightyears |
Exposures: | Ha: 20x 480 Sec., OIII: 21 x 480 Sec., SII: 12 x 480 Sec., Sum: 7,25 hrs. |
Telescope: | 10'', F4 Newton |
Focal length: | 1000mm |
Filter: | Astrodon E-Series, Ha, OIII, SII 5nm |
Camera: | ASI 1600 MMC Pro |
Guiding: | Off Axis Guider, Lodestar |
Mount: | EQ8 |
This faint HII region hosts several Wolf-Rayet stars. Due to their very high surface temperature of up to 120,000 Kelvin, these stars eject up to one solar mass of matter in 1,000 years. This is accelerated to several thousand km/s by the immense radiation.