Ausschnitt im Sternbild

Sh2-132 Hubble Colors

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.

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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.

-> Older image in bicolor