Sh2-133 and LBN 472 in Cepheus (Göran Nilsson)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: 6 Cep · LBN 472 · LBN 476 · LDN 1162 · PGC 140949 · PGC 166705 · PGC 166713 · PGC 167891 · PGC 167965 · PGC 167969 · PGC 167975 · PGC 167983 · PGC 167985 · PGC 167988 · PGC 167989 · PGC 167993 · PGC 66154 · PGC 97254 · PGC 97256 · Sh2-133 · The star 6 Cep

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Sh2-133 and LBN 472 in Cepheus

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Sh2-133 and LBN 472 in Cepheus

There are very few images of Sh2-133 on Astrobin, and even fewer of the blue reflection nebula LBN472 next to it. Maybe it is because they are not far from the Iris Nebula and all the bright and beautiful nebulosity there get all the attention. Like Sh2-133 the blue nebulosity of LBN472 is quite faint, so best imaged with a fast instrument.

I have not found much information about Sh2-133 except that it together with several other Ha objects, including the Elephant Trunk Nebula, makes up the Cepheus bubble, a gigantic ring of Ha nebulosity covering 10° of the sky (https://iopscience.iop.org/article/10.1086/306305/fulltext/37648.text.html).

This was imaged with the IDAS NBZ dual-band filter passing Ha and Oiii. However, as I have experienced before this filter is broad enough to let through blue reflection nebulosity in addition to Oiii.

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Status	Advanced success
Started	...
PixInsight job	ZVSHJAVNID6CVBWBUWUTGWHZHL3W41VK
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h19m30s.35
RA (top/left)	21h36m04s.66
RA (top/right)	21h01m47s.26
RA (bottom/right)	21h04m29s.79
RA (bottom/left)	21h35m49s.91

Dec (center)	+64°52′54″.4
Dec (top/left)	+66°07′35″.6
Dec (top/right)	+65°54′55″.3
Dec (bottom/right)	+63°32′09″.7
Dec (bottom/left)	+63°43′19″.0

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Sh2-133 and LBN 472 in Cepheus

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Sh2-133 and LBN 472 in Cepheus

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