SNR G70.0-21.5 in Pegasus (Konstantin Firsov)

Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: 1 Peg · 2 Peg · 34 Vul · IC 5104 · IC 5119 · NGC 7033 · NGC 7034 · NGC 7053 · NGC 7056 · PK072-17.1 · The star 1 Peg · The star 2 Peg

Image of the day 12/01/2024

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SNR G70.0-21.5 in Pegasus

Image of the day 12/01/2024

Powered byPixInsight

SNR G70.0-21.5 in Pegasus

In 2018 the Gaia DR2 survey has disclosed an unusually high proper motion white dwarf. Extrapolated backwards in time this star appeared passing near the geometric center of a vast supernova remnant SNR G70.0–21.5 in Pegasus. Astronmers consider this white dwarf being associated with a 90,000 years ago Type Ia supernova. Looks like the image I am posting here is only the second amateur photo of this object. Please see the wonderful Bray Falls' image and the link to the corresponding article on this SNR.
Perhaps I'd better have turned the frame clockwise 45 degrees or so. In vain did I hope that the object would fit Sigma's wide FOV

North is right, East is up. Abell-74 PN is at the right edge of the frame.
Some interesting features in H-alpa outlined here

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Status	Advanced success
Started	...
PixInsight job	8G2IHA0VXYIN2B46RHEIVUXPKUYYZG8J
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h22m08s.51
RA (top/left)	21h35m23s.64
RA (top/right)	21h36m55s.65
RA (bottom/right)	21h08m01s.32
RA (bottom/left)	21h08m14s.40

Dec (center)	+19°48′21″.3
Dec (top/left)	+14°45′28″.0
Dec (top/right)	+24°40′51″.1
Dec (bottom/right)	+24°47′13″.6
Dec (bottom/left)	+14°51′20″.1

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Image of the day 12/01/2024

SNR G70.0-21.5 in Pegasus

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SNR G70.0-21.5 in Pegasus

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Image of the day 12/01/2024

SNR G70.0-21.5 in Pegasus

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