Pickering's Triangle / Veil Nebula - with PN "Pa 27" (Sabine Leidinger)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: HD198425 · HD335008 · HD335010 · HD335118 · HD335119 · HD335123 · HD335124 · HD335125 · HD335126 · HD335127 · HD335130 · HD335132 · HD335135 · NGC 6974 · NGC 6979

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Pickering's Triangle / Veil Nebula - with PN "Pa 27"

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Pickering's Triangle / Veil Nebula - with PN "Pa 27"

Ever since the first picture I made of the Veil Nebula, I was fascinated by the lane / tunnel structure in the Oxygen III region.

If anyone knows some scientific explanation about it, please let me know - because I wasn't able to find anything about it. I would very much appreciate it!
And as long as I don't have seen any plausible hypothesis about it - I have my own ;-) :

Proof for my hypothesis - here in the picture below, which was made on 14th of July,
you can very obviously see Captain Kirk re groove the lane with the U.S.S Enterprise !

Final
Original
B
C

B

Title: starless

Description: here is the starless version;
It always amazes me, how all those faint nebulas are suddenly really popping out when the stars are gone :)

Uploaded: ...

C

Title: Planetary Nebula "Pa 27"

Uploaded: ...

Hydrogen and Oxygen Narrowband Only!
Antlia ALP-T 5nm Dual Narrowband Filter
ZWO ASI 2600MC PRO
Austria Astrophotography
The OSC Club (One Shot Camera)
N.I.N.A. Users

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Status	Advanced success
Started	...
Astrometry.net job	8048054
PixInsight job	J0EZIHXQRRTJCGWDRCDAD75Q89XOWW6B
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h48m28s.906
RA (top/left)	20h47m59s.999
RA (top/right)	20h52m59s.292
RA (bottom/right)	20h48m58s.739
RA (bottom/left)	20h43m59s.999

Dec (center)	+31°38′19″.35
Dec (top/left)	+30°38′33″.67
Dec (top/right)	+31°55′35″.82
Dec (bottom/right)	+32°38′06″.41
Dec (bottom/left)	+31°20′49″.47

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Pickering's Triangle / Veil Nebula - with PN "Pa 27"

Pickering's Triangle / Veil Nebula - with PN "Pa 27"

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Pickering's Triangle / Veil Nebula - with PN "Pa 27"

Pickering's Triangle / Veil Nebula - with PN "Pa 27"

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