RCW 134 (Chris Jensen)

RCW 134

RCW 134 shot in LRGB with Ha added in using Bill Blanshan Add Ha to RGB Image pixel math. Also catalogued as LBN 1120, it is a patch of Ha on the edge of the Large Sagittarius Star Cloud. Imaged over two nights from the north side of Brisbane in early June 2023. RCW 134 is a stunning emission nebula located within the Milky Way galaxy. It is situated in the southern constellation of Ara, approximately 10,000 light-years away from Earth.

The nebula derives its name from the catalogue of H II regions in the galactic plane, the Rodgers, Campbell, and Whiteoak (RCW) catalogue. Australian astronomers Colin Rodgers, Stewart Campbell, and John Whiteoak first identified and documented it. RCW 134 spans an area of approximately 200 light-years across and is characterized by its intricate and intricate structure. It is composed of ionized gas, primarily hydrogen, emitting light when nearby massive stars energise it.

These stars, responsible for ionizing the surrounding gas, are typically young and hot, emitting intense ultraviolet radiation that causes the hydrogen atoms to shed electrons and emit light in various colours. The vibrant colours exhibited by RCW 134 are a result of the specific wavelengths of light emitted by the ionized hydrogen gas. Deep red hues are indicative of hydrogen alpha emissions.

The intricate filaments and structures within RCW 134 are the result of shockwaves and stellar winds created by the massive, hot stars within the nebula. These powerful forces shape the gas and dust, creating intricate patterns reminiscent of a cosmic tapestry. Dark patches and lanes within the nebula are attributed to dense clouds of gas and dust, known as Bok globules, which obscure the light emitted by the ionized gas behind them. These dark regions often starkly contrast the vibrant colours, further enhancing the visual appeal of RCW 134.

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Status	Advanced success
Started	...
Astrometry.net job	7858190
PixInsight job	9O3BHYXM75FBFZ60WL855SWEQ9PGA86W
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	17h49m22s.81
RA (top/left)	17h46m10s.81
RA (top/right)	17h48m49s.69
RA (bottom/right)	17h52m36s.29
RA (bottom/left)	17h49m55s.44

Dec (center)	-31°16′31″.8
Dec (top/left)	-30°57′14″.7
Dec (top/right)	-32°01′22″.1
Dec (bottom/right)	-31°35′29″.1
Dec (bottom/left)	-30°31′38″.3

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