120000secs under the Vela SNR (Brian Boyle)

Celestial hemisphere: Southern · Constellation: Vela (Vel) · Contains: NGC 2736 · Pencil Nebula · The star 33 Vel · The star a Vel · The star b Vel · The star d Vel · The star e Vel · The star f Vel · The star g Vel · The star n Vel

120000secs under the Vela SNR, Brian Boyle

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120000secs under the Vela SNR

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120000secs under the Vela SNR

Living at -45 South, I thought I would attempt a widefield mosaic of the Vela SNR, which goes straight overhead here in the summer months.

After 6 nights, 9 fields, 1000 120sec subs (75% useable) and 3 days image processing, I think I can say that the attempt was a bit of a failure.

Nevertheless, I reproduce that failure here, and it inspires me to try again next season.

I made some rookie errors, all the more embarrassing since I am not a rookie - at least in observing. I did not allow for enough overlap in the mosaic panel (10% was too little, I would say 20% minimum) and skimped on the calibration frames. Consequently there are visible seams and a low level red glow (dew heater?) on a couple of panes. Even to get tho this stage was a bit of a trial. StarAlignment did the frame matching using the frame adaptation function, but GradientMergeMosaic failed spectacular.ly.

That aside, the Vela SNR is still magnificent in its complexity, and it is not its fault that I failed so miserably.

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Status	Advanced failed
Started	...
Astrometry.net job	9269722
PixInsight job	SBFB8Z8T8EYQGHF00KZAR4DGXSOKHD52
PixInsight queue size	n/a
PixInsight stage	PLATE_SOLVING_IMAGE

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120000secs under the Vela SNR

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