Queen of Aethopia
Stars are forming in the Soul of the Queen of Aethopia. More specifically, a large star forming region called the Soul Nebula (IC 1898) can be found in the direction of the constellation Cassiopeia, who Greek mythology credits as the vain wife of a King who long ago ruled lands surrounding the upper Nile river. The Soul Nebula houses several open clusters of stars, a large radio source known as W5, and huge evacuated bubbles formed by the winds of young massive stars. Located about 6,500 light years away, the Soul Nebula spans about 100 light years and is usually imaged next to its celestial neighbor the Heart Nebula (IC 1805). The featured image is a composite of three exposures in different colors: red as emitted by hydrogen gas, yellow as emitted by sulfur, and blue as emitted by oxygen.
The Soul Nebula in Cassiopeia
|Imaging telescope||Celestron Rowe-Ackermann Schmidt Astrograph 8″|
|Imaging camera||ZWO ASI 1600MM PRO|
|Guiding||Guidescope 240mm, ZWO ASI 120MM|
|Filter||Baader f/2 Highspeed H-Alpha, Baader f/2 Highspeed OIII, Baader f/2 Highspeed SII (each 2″), Baader R, G, B (2″)|
|Accessories||Starizona Filter Slider, Celestron Focus Motor for SCT|
|Integration||28.6 hours, H-Alpha: 212×100″/188×120″, OIII: 341×90″, SII: 200×120″, Red/Green/Blue each: 50×30″|
|Dates of recording||Dec. 3, 2019, Dec. 5, 2019, Jan. 20, 2020, Jan. 21, 2020, Feb. 7, 2020, April 19, 2020|
Sh2-199 PRINT & RAW DATA
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