Vela SN Remnant | A Select Portion in Dynamic SHO (Kevin Morefield)

Celestial hemisphere: Southern · Constellation: Vela (Vel) · Contains: HD71873 · HD71916 · HD72049 · HD72066 · HD72067 · HD72126 · HD72179 · HD72321 · HD72349

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Vela SN Remnant | A Select Portion in Dynamic SHO

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Vela SN Remnant | A Select Portion in Dynamic SHO

The SuperNova remnant in Vela is huge. Eight degrees across huge. My FOV, on the other hand, is a very not huge 30 arc minutes. I would think it would take around 200 finished images to make full mosaic. Well that's not going to happen so I decided to see if I could find an interesting portion worth of a close up view.

I chose to do this in SHO because the SII was quite strong and I wanted to use three colors to better differentiate the structures. In addition to the wispy filaments, I'm interested in the sharply bumpy area in the lower left. A fog of OIII seems to float above these sharp features of SII and Ha, possibly representing shock fronts.

The SHO mix is dynamic using a stretched OIII as a factor to determine the blend of S and H in the Red and Green channels. The stars are pure RGB.

Fine Art Astrophotography
Narrowband imaging

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Status	Advanced success
Started	...
PixInsight job	QRYYNB34SWPNLY6MW66V2YSLF2S983FE
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	08h28m53s.564
RA (top/left)	08h29m42s.367
RA (top/right)	08h26m33s.420
RA (bottom/right)	08h28m04s.125
RA (bottom/left)	08h31m14s.400

Dec (center)	-44°00′00″.87
Dec (top/left)	-43°36′18″.90
Dec (top/right)	-44°00′53″.30
Dec (bottom/right)	-44°23′41″.10
Dec (bottom/left)	-43°58′57″.43

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Vela SN Remnant | A Select Portion in Dynamic SHO

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Vela SN Remnant | A Select Portion in Dynamic SHO

Vela SN Remnant | A Select Portion in Dynamic SHO

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