NGC 7822 Dense Pillars gases (Charles Duarte FRAS)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: NGC 7822

NGC 7822 Dense Pillars gases, Charles Duarte FRAS

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NGC 7822 Dense Pillars gases

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NGC 7822 Dense Pillars gases

This Nebula NGC7822 consist of hot, young stars and a gigantic cosmic pillar of gas and dust. At the edge of a giant molecular cloud toward the northern constellation Cepheus, the glowing star forming region lies about 3,000 light-years away. Within the nebula, bright edges and dark shapes stand out in this colorful image. The image includes data from narrowband filters, mapping emission from atomic oxygen, hydrogen, and sulfur into blue, green, and red hues. The emission line and color combination has become well-known as the Hubble palette. The atomic emission is powered by energetic radiation from the central hot stars. Their powerful winds and radiation sculpt and erode the denser pillar shapes and clear out a characteristic cavity light-year across the center of the natal cloud. Stars could still be forming inside the pillars by gravitational collapse.Taken last year from my Observatory in South Spain. The telescope is the OS 1400/250 with a FLI 16803 camera, taken with 1200 sec exposure and 40:42:45 (Ha, OII, SII) frames.

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