Predator-Prey Nebula - reprocessed mosaic (Göran Nilsson)

Celestial hemisphere: Northern · Constellation: Camelopardalis (Cam) · Contains: 17 Cam · 19 Cam · HD34200 · HD34491 · HD34654 · HD34804 · HD34839 · HD35518 · HD35759 · HD35815 · HD35863 · HD36131 · HD36193 · HD36194 · HD36420 · HD36496 · HD36972 · HD37281 · HD37289 · HD37783 · HD37856 · HD37857 · HD38284 · HD38475 · HD38645 · HD38655 · HD39301 · HD39429 · HD39894 · HD40140 · And 9 more.

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Predator-Prey Nebula - reprocessed mosaic

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Predator-Prey Nebula - reprocessed mosaic

Here is a reprocessed verion of my final backyard image from last season - a five panel mosaic of Integrated Flux Nebulosity (IFN) one hour west of the Fish Hook Nebula (Mandel-Wilson 5). Here I have used the novel PS filter Star Xterminator before I brought back the stars at a level that allows more nebulosity to be seen, so a much better control of the star field.

The structures have no names but do occur in Lynd's Catalogue of Bright Nebulae as "barely detectable", so the most faint ones. I decided to call them The Predator-Prey Nebula. The prey (LBN 690) is that frightened looking central structure and the predator is the staghorn beetle like stucture coming up from lower right (LBN 699-700). Apart from being barely visible on Aladin Sky Atlas (DSS red data) I have not seen any images of these very faint but gigant structures (about 60 moons would fit into this 6° wide image) in the outskirts of our galaxy, primarily lit up by the collective radiation from the galaxy.

The image has been downsampled from 10670 x 7931 pixels.

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Description: Red curve up on starless layer

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Status	Advanced success
Started	...
Astrometry.net job	7187273
PixInsight job	5P0LZ17UIU893SNRN6NWVRJRVHF03PW8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h40m34s.58
RA (top/left)	05h18m43s.89
RA (top/right)	05h18m10s.40
RA (bottom/right)	05h57m38s.65
RA (bottom/left)	06h08m24s.12

Dec (center)	+65°46′19″.9
Dec (top/left)	+68°54′08″.4
Dec (top/right)	+62°51′39″.3
Dec (bottom/right)	+62°28′49″.3
Dec (bottom/left)	+68°24′33″.5

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Predator-Prey Nebula - reprocessed mosaic

Predator-Prey Nebula - reprocessed mosaic

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Predator-Prey Nebula - reprocessed mosaic

Predator-Prey Nebula - reprocessed mosaic

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