Teddy Bear Nebula - SH2-171 (psychwolf)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: LBN 580 · LBN 581 · LBN 582 · LBN 583 · LBN 584 · LBN 586 · LBN 588 · LDN 1267 · LDN 1268 · LDN 1269 · LDN 1270 · LDN 1271 · LDN 1275 · NGC 7822 · Sh2-171

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Teddy Bear Nebula - SH2-171

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Teddy Bear Nebula - SH2-171

Can you spot the teddy bear? You'll note the two eyes as the first main features, followed by the shape of the ears and a body trailing below with a bright belly button. The eye region features pillars of gas stimulated by the solar wind of the large stars nearby. The Teddy Bear Nebula, or SH2-171, is an emission nebula and part of a larger formation of NGC 7822, a young star forming complex in the constellation of Cepheus, located about 3,000 light years away.

This first revision I'll post is a rough first pass at processing out green from a OSC with the l-Extreme dual band filter applied. It uses data from the ZWO ASI 533MC Pro, at gain 100, for 26hr, 40min integration time. The second revision, in progress, takes a more selective batch from the frames, under 24hr of data, and will combine G and B channels for more simulated control over narrowband data with a OSC, so will post up when ready soon - could use any other tips you see to, to try for revision 2!

The photograph was taken on a x0.7 reduced Vixen AX103s triplet APO with a built in flattener lens, which is roughly a 640mm FL when shooting with the ZWO 533MC Pro. I've learned a lot from processing green out of One-Shot-Color camera, with a Bayer matrix of RGGB, which I hope to apply to other images in the future.

Vixen Astrophotography
ASI533MC Pro
Milwaukee Astronomical Society

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Status	Advanced success
Started	...
Astrometry.net job	5348925
PixInsight job	TU9NC37NF26CL2PCXJZ8AMX1ZI8LISJY
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h03m50s.40
RA (top/left)	00h07m46s.67
RA (top/right)	23h58m59s.14
RA (bottom/right)	00h00m02s.97
RA (bottom/left)	00h08m30s.30

Dec (center)	+67°07′05″.1
Dec (top/left)	+67°37′42″.1
Dec (top/right)	+67°32′58″.6
Dec (bottom/right)	+66°36′08″.9
Dec (bottom/left)	+66°40′39″.8

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Teddy Bear Nebula - SH2-171

Teddy Bear Nebula - SH2-171

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