SH2-158 (NGC7538) - L-ultimate version (Joe Matthews)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: Bubble Nebula · HD218229 · HD218375 · HD218450 · HD219286 · HD219460 · HD219634 · HD220056 · HD220057 · HD220074 · HD220102 · HD220167 · HD220180 · HD240233 · HD240248 · HD240252 · HD240253 · HD240256 · HD240264 · LBN 533 · LBN 537 · LBN 540 · LBN 542 · LBN 543 · LBN 544 · LBN 547 · LBN 548 · LBN 549 · LDN 1218 · LDN 1220 · And 18 more.

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SH2-158 (NGC7538) - L-ultimate version

Powered byPixInsight

SH2-158 (NGC7538) - L-ultimate version

A night or so ago I made an error and thought the filter I had in my drawer was the Optolong L-Ultimate, but it was the L-eNhance, so last night I visited SH2-158 again and used the L-Ultimate filter and I like the results looks much better than the L-eNhance version. The image does look a little dark, but I'll take it for now. I am still figuring out PixInsight and might give it a go with PixInsight in a week or so.

NGC 7538 (Sh2-158), near the more famous Bubble Nebula, is located in the constellation Cepheus. It is located about 9,100 light-years from Earth. It is home to the biggest yet discovered protostar (NGC 7538 S) which is about 300 times the size of the Solar System. While we still don't know very much about high-mass protostars, it is assumed that they are surrounded by an accretion disk that drives molecular outflow, like the low-mass protostars.The accretion disk in NGC7538 is very young and extremely massive, and is in the process of forming one or more high-mass protostars. is located in the Perseus Spiral Arm of the Milky Way and is probably part of the Cassiopeia OB2 complex. It is a region of active star formation including several luminous near-IR and far-IR sources. Stars in NGC 7538 are mainly low-mass pre-main-sequence stars.

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Status	Advanced success
Started	...
Astrometry.net job	8471491
PixInsight job	BXAEHQ2Z6XNVEYREA7S70DM0H8HQ6RQJ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h13m45s.10
RA (top/left)	23h27m33s.36
RA (top/right)	23h13m57s.12
RA (bottom/right)	22h59m15s.43
RA (bottom/left)	23h13m31s.88

Dec (center)	+61°31′58″.5
Dec (top/left)	+60°44′18″.9
Dec (top/right)	+63°22′50″.8
Dec (bottom/right)	+62°14′14″.2
Dec (bottom/left)	+59°40′52″.2

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SH2-158 (NGC7538) - L-ultimate version

SH2-158 (NGC7538) - L-ultimate version

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SH2-158 (NGC7538) - L-ultimate version

SH2-158 (NGC7538) - L-ultimate version

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