Westerhout 5 (urmymuse)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD16506 · HD17086 · HD17356 · HD17401 · HD17505 · HD17520 · HD17688 · HD17775 · HD17911 · HD17948 · HD17971 · HD18152 · HD18294 · HD18326 · HD18337 · HD18352 · HD18458 · HD18473 · HD18766 · HD18877 · HD18963 · HD236989 · HD237000 · HD237007 · HD237011 · HD237015 · HD237016 · HD237018 · HD237019 · HD237023 · And 16 more.

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Westerhout 5

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Westerhout 5

Taken with the Redcat51 over six nights in October - the Soul Nebula - I was checking the catalouge number and noticed that on Wikipedia it is down as Westerhout 5

"W5, a radio source within the nebula, spans an area of sky equivalent to four full moons and is about 6,500 light-years away in the constellation Cassiopeia. Like other massive star-forming regions, such as Orion and Carina, W5 contains large cavities that were carved out by radiation and winds from the region's most massive stars. According to the theory of triggered star formation, the carving out of these cavities pushes gas together, causing it to ignite into successive generations of new stars. The image in the gallery above contains some of the best evidence yet for the triggered star formation theory. Scientists analyzing the photo have been able to show that the ages of the stars become progressively and systematically younger with distance from the center of the cavities"

Interesting !

Piled on the hours on this one with out realising really - from memory my longest integration time so far

Processing of the Oiii wasnt easy as SNR was still poor

Ha 120 x 300s = 10 Hrs
Sii 84 x 300s = 7 hrs
Oiii 72 x 300s = 6hrs
= 23 hrs

Initial post a bit of a crop , will post the fuller field with a sliver of the Heart nebula in it as a revision

Final
Original
B
C

B

Description: Fuller field with sliver of Heart nebula

Uploaded: ...

C

Description: Ha only version

Uploaded: ...

Processed with Photoshop
William Optics CAT Series
Musical Imagers
Fine Art Astrophotography
WO Redcat 51 Group
Suburban Astrophotography
UK Astro-Imaging
Yorkshire Astro Imaging
Hubble Palette Group
CMOS Imagers
Imaged with N.I.N.A.
N.I.N.A. Users

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Status	Advanced success
Started	...
Astrometry.net job	6616172
PixInsight job	XLD8D5PY44KFRJHJHE2ZM5FYF5JSI5LW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h53m39s.20
RA (top/left)	02h52m00s.40
RA (top/right)	03h07m22s.71
RA (bottom/right)	02h55m28s.86
RA (bottom/left)	02h39m39s.51

Dec (center)	+60°31′17″.4
Dec (top/left)	+58°48′30″.9
Dec (top/right)	+60°12′52″.10
Dec (bottom/right)	+62°13′58″.2
Dec (bottom/left)	+60°44′19″.8

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Westerhout 5

Westerhout 5

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Westerhout 5

Westerhout 5

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