Peter Goodhew
NGC7293 - The Helix Nebula HaOIIIRGB
The Helix Nebula is an example of a planetary nebula, formed by an intermediate to low-mass star, which sheds its outer layers near the end of its evolution. Gases from the star in the surrounding space appear, from our vantage point, as if we are looking down a helix structure. The remnant central stellar core, known as a planetary nebula nucleus, is destined to become a white dwarf star. The observed glow of the central star is so energetic that it causes the previously expelled gases to brightly fluoresce.
The Helix Nebula in the constellation of Aquarius lies about 700 light-years away, spanning about 2.5 light-years.
7h5m total integration (R,G 15 subs, B 14, Ha 23 bin2, OIII 18 bin2). Alcalalí, Spain 19-23/8/2017.
APM TMB 152 F8 LZOS, 10 Micron GM2000HPS, QSI6120wsg8
NGC7293 - The Helix Nebula HaOIIIRGB
The Helix Nebula is an example of a planetary nebula, formed by an intermediate to low-mass star, which sheds its outer layers near the end of its evolution. Gases from the star in the surrounding space appear, from our vantage point, as if we are looking down a helix structure. The remnant central stellar core, known as a planetary nebula nucleus, is destined to become a white dwarf star. The observed glow of the central star is so energetic that it causes the previously expelled gases to brightly fluoresce.
The Helix Nebula in the constellation of Aquarius lies about 700 light-years away, spanning about 2.5 light-years.
7h5m total integration (R,G 15 subs, B 14, Ha 23 bin2, OIII 18 bin2). Alcalalí, Spain 19-23/8/2017.
APM TMB 152 F8 LZOS, 10 Micron GM2000HPS, QSI6120wsg8