Sh2-207 and Sh2-208 HaRGB (Göran Nilsson)

Celestial hemisphere: Northern · Constellation: Camelopardalis (Cam) · Contains: LBN 708 · PGC 2798605 · Sh2-207 · Sh2-208

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Sh2-207 and Sh2-208 HaRGB

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Sh2-207 and Sh2-208 HaRGB

These are two relatively rarely imaged objects from the Sharpless catalogue. The bigger one in the centre is Sh2-207 and the smaller one to the left is Sh2-208. The small star cluster seen in Sh2-207 is Mayer 2. The big area of nebulosity covering the left side of the image has as far as I know no number or name, possibly because it is very faint. Still it has some nice structures. Almost all the red signal was picked up by the Ha filter and there is only a faint indication of Sh2-207 in the RGB data. Sh2-207 was once thought to be a planetary nebula, given the designation PK 151+02 1, but this is probably not the case. These nebulae are 13 000 - 15 000 ly away

Ha was collected over two clear nights (SQM 21.3) with the Esprit 100 and ASI1600 (40 x 15 min at gain 139) and RGB with the Esprit 150 and ASI071 (125 x 5 min, gain 200), sitting side by side on the Mesu 200.

This is a total reprocess of previously posted data using the new XTerminator tools. I make a new post of it since the end result is so strikingly different and much better (It is not submitted for any IOTD/TP evaluation).

"Nordish by nature"
Sharpless2 Objects
CMOS Imagers

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Status	Advanced success
Started	...
Astrometry.net job	8931084
PixInsight job	8TBDUB7WFJDWLH38BEQNX4IDCWILABF5
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h19m33s.40
RA (top/left)	04h21m17s.33
RA (top/right)	04h23m34s.22
RA (bottom/right)	04h17m45s.38
RA (bottom/left)	04h15m37s.98

Dec (center)	+53°08′25″.1
Dec (top/left)	+52°22′52″.10
Dec (top/right)	+53°40′36″.2
Dec (bottom/right)	+53°53′52″.4
Dec (bottom/left)	+52°35′38″.10

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Sh2-207 and Sh2-208 HaRGB

Sh2-207 and Sh2-208 HaRGB

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Sh2-207 and Sh2-208 HaRGB

Sh2-207 and Sh2-208 HaRGB

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