SNR G156.2+5.7 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Auriga (Aur) · Contains: LDN 1429 · LDN 1430 · LDN 1431 · LDN 1432 · LDN 1433 · LDN 1435 · LDN 1436 · LDN 1437 · LDN 1438 · LDN 1439 · NGC 1708 · The star 9 Aur

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SNR G156.2+5.7

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SNR G156.2+5.7

This SNR is located 5000 light years away in the constellation of Auriga at a declination of +52 degrees. It spans about 1.5 degrees in our apparent view. This corresponds to a diameter of about 130 light years.

The SNR is primarily HII signal but there is some OIII present. The image is a HOO palette with RGB stars added.

The unique appearance of this object is because of the foreground Taurus Auriga dust complex, which is much closer at about 300 light years away. The numerous LDN dark nebulae look like they are part of the SNR, but there are much closer to us.

I first saw this SNR when posted by my friend @Göran Nilsson earlier this year. Please see his excellent image here.

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Status	Advanced success
Started	...
PixInsight job	GFNYQWVW8QFVPO0PMB4Y9BFORLO05RFD
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h57m58s.78
RA (top/left)	05h08m54s.85
RA (top/right)	04h47m18s.98
RA (bottom/right)	04h47m33s.63
RA (bottom/left)	05h08m07s.18

Dec (center)	+51°57′01″.2
Dec (top/left)	+52°57′59″.9
Dec (top/right)	+53°01′43″.9
Dec (bottom/right)	+50°52′28″.9
Dec (bottom/left)	+50°48′42″.7

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SNR G156.2+5.7

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SNR G156.2+5.7

SNR G156.2+5.7

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