Mandel-Wilson 4: Animal Track Nebula (Göran Nilsson)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: 1 UMa) · 1 omi UMa · 29 Lyn · 53 Cam · 56 Cam · HD65429 · HD65518 · HD65601 · HD67223 · HD67500 · HD68988 · HD69976 · LBN 723 · LBN 727 · LBN 728 · LBN 729 · LBN 732 · LBN 733 · Muscida · The star 29 Lyn · The star 53 Cam · The star Muscida (ο UMa

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Mandel-Wilson 4: Animal Track Nebula

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Mandel-Wilson 4: Animal Track Nebula

Here I am back in Ursa Major in my gathering of faint Integrated Flux Nebulae (IFN). This is first light for my second RASA 8 after I collimated it. Unlike its older brother it was not perfectly collimated out of the box and stars suffered a lot especially in the periphery. Now it is probably as good as it can be.

I have not found any published images of the Animal Track Nebula at this image scale and it can just about be seen in the Aladin Sky Atlas (DSS2-IR). If anyone have seen any images of it please let me know.

As before the RASA 8 - ASI2600MC combo is quite good at finding colours even in the faintest nebulosity, and it is not clear to me if the red nebulosity here is IFN or Ha emitting nebulosity. It does seem to lay behind the greyish IFN so it should all be in the outskits of our galaxy if I got it right and therefore not lit up by single stars but by the collective radiation of the galaxy (according to Mandel and Wilson). Could the curved line of grey nebulosity to the right suggest that some shock wave is affecting this area?

Original
B
C
Final
D

B

Description: Reduced star field with Star Xterminator in PS

Uploaded: ...

C

Description: Reprocessed with StarXT and NoiseXT

Uploaded: ...

D

Description: Added 2023 data

Uploaded: ...

The OSC Club (One Shot Camera)
Celestron RASA
ZWO ASI 2600MC PRO
Cooled Color Cams
"Nordish by nature"

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Status	Advanced success
Started	...
Astrometry.net job	7224892
PixInsight job	A9IHSF9B8J3B2YAJ9H5Z7F7Q8119IRL5
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	08h16m32s.99
RA (top/left)	08h34m05s.100
RA (top/right)	08h02m58s.10
RA (bottom/right)	07h59m50s.15
RA (bottom/left)	08h28m50s.82

Dec (center)	+60°37′48″.9
Dec (top/left)	+61°20′48″.7
Dec (top/right)	+62°10′43″.5
Dec (bottom/right)	+59°46′35″.1
Dec (bottom/left)	+59°00′09″.9

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Mandel-Wilson 4: Animal Track Nebula

Mandel-Wilson 4: Animal Track Nebula

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Mandel-Wilson 4: Animal Track Nebula

Mandel-Wilson 4: Animal Track Nebula

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