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Photographer:

Carlos Uriarte

Location of Photo:

Àger, Catalonia, Spain

Date/Time of photo:

24, 25 and 26 august 2020

Equipment:

Telescope: Takahashi FSQ106 F5 Mount: Paramount ME CCD: Atik 460 EX MONO Guided: Lodestar X2 + EZG60 Observatory: UriarteRuiz in Àger (name to be baptized) Place: Àger (La Noguera) Dates: 24, 25 and 26 August 2020 Filters LRGBHa Astrodon L 25 x 600 "R 25 x 300" G 25 x 300 "B 40 x 300" H 45 x 900 "Total: 22.9h of exposure. Flats, darks and bias Processed with Pixinsight 1.8. 6 and Photoshop CC 2020

Description:

Cave Nebula, a beautiful nebula in Cepheus. About 2,400 light-years away along the Milky Way. Studies reveal that the nebula has formed on the border of the Cepheus B molecular cloud and the young, hot, blue stars of the Cepheus OB 3 association. The bright edge of ionized hydrogen gas feeds on radiation from hot stars , especially of the blue star of type O that is seen on the center of the image. These radiation-driven ionization fronts are causing the nuclei to collapse and the formation of new stars within them. The cosmic cave is more than 10 light-years in diameter, an appropriate size for a good batch of new stars.

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