Supernova remnant G150.3+4.5 and LDN 1400 and Co in HaOiiiRGB (Göran Nilsson)

Celestial hemisphere: Northern · Constellation: Camelopardalis (Cam) · Contains: 1 Cam · B11 · B12 · B13 · B8 · B9 · LDN 1394 · LDN 1396 · LDN 1397 · LDN 1398 · LDN 1399 · LDN 1400 · LDN 1401 · LDN 1402 · LDN 1403 · LDN 1404 · LDN 1405 · LDN 1407 · LDN 1408 · LDN 1409 · LDN 1410 · The star 1Cam

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Supernova remnant G150.3+4.5 and LDN 1400 and Co in HaOiiiRGB

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Supernova remnant G150.3+4.5 and LDN 1400 and Co in HaOiiiRGB

In late March I stumbled on these faint blue and red filaments by accident when I imaged this area using the NBZ dual band Ha+Oiii filter. After some searching, and with the help from friends, I realized that this was the first visual light image of the SNR G150.3+4.5 described by radio astronomers in 2014. (https://www.aanda.org/articles/aa/abs/2014/07/aa24128-14/aa24128-14.html). I have now combined about 18 hours of HaOiii data with 4 hours of RGB data (same set-up but without filter).

I get the feeling that the dark nebulosity and other dust are obscuring most of the SNR and that we just get a small glimpse of it through a hole in the dust clouds.

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Description: Made a lower resolution gif showing how the SNR is invisible until the Ha+Oiii data was added. Wait 5 s for the image to flip.

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Status	Advanced success
Started	...
Astrometry.net job	5685286
PixInsight job	WZT42JQ56W3U94MGU0L6K6B2OSTUONFE
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h26m19s.19
RA (top/left)	04h37m07s.20
RA (top/right)	04h16m59s.99
RA (bottom/right)	04h16m04s.26
RA (bottom/left)	04h35m05s.100

Dec (center)	+54°58′54″.9
Dec (top/left)	+56°00′23″.8
Dec (top/right)	+56°15′37″.4
Dec (bottom/right)	+53°53′42″.6
Dec (bottom/left)	+53°39′25″.10

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Supernova remnant G150.3+4.5 and LDN 1400 and Co in HaOiiiRGB

Supernova remnant G150.3+4.5 and LDN 1400 and Co in HaOiiiRGB

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Supernova remnant G150.3+4.5 and LDN 1400 and Co in HaOiiiRGB

Supernova remnant G150.3+4.5 and LDN 1400 and Co in HaOiiiRGB

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