Cometary Globules CG 1 & CG 2 (Steve de Lisle)

Celestial hemisphere: Southern · Constellation: Puppis (Pup) · Contains: HD56285 · HD56437 · HD56958 · HD56959 · HD57036 · HD57065 · HD57123 · HD57259 · HD57302 · HD57464 · HD57581 · HD57596 · HD57640 · HD57664 · HD57692 · HD57718 · HD57832 · HD57833 · L02 Pup · M Pup · The star L2 Pup

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Cometary Globules CG 1 & CG 2

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Cometary Globules CG 1 & CG 2

Cometary globules CG1 and CG2. These cometary globules are located near the Gum nebula and are about 1300 light years away. Of interest is that the majority of such globules are located around the Gum nebula and that the tails of each are pointing away from the center of the nebula itself. This has given rise to the theory that shockwaves emanating from hot and massive stars near the centre of the Gum nebula may have impacted spherically shaped clumps of gas and dust which then compacted the material, giving rise to their comet-like appearance. CG1, which is the larger of the two globules, is currently undergoing considerable star forming activity which may add credence to this idea. However, there is still debate as to the aetiology of these interesting objects.
I took this image over a few nights in January and February 2023. CG1 and CG2 are very faint, but i was pleased to get some detail with my humble F5 102mm refractor. I also have images of CG4 and CG30, CG31 and CG38 on Astrobin if you wish to look at them. All are located around the Gum nebula.

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Description: Re-processed using SPCC, BXT and NXT. I think it's better but happy for any feedback.

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Astronomical Society of Victoria (ASV)

Nebulae

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Status	Advanced success
Started	...
Astrometry.net job	7955501
PixInsight job	0FOZ5DO2VG73DG4FKMNW93KIZU4OP00F
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h17m04s.14
RA (top/left)	07h19m32s.62
RA (top/right)	07h21m28s.40
RA (bottom/right)	07h14m41s.11
RA (bottom/left)	07h12m33s.00

Dec (center)	-44°10′56″.7
Dec (top/left)	-45°13′56″.4
Dec (top/right)	-43°22′03″.7
Dec (bottom/right)	-43°07′47″.5
Dec (bottom/left)	-44°59′11″.10

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Cometary Globules CG 1 & CG 2

Cometary Globules CG 1 & CG 2

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Cometary Globules CG 1 & CG 2

Cometary Globules CG 1 & CG 2

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