Dumbbell Nebula (M27), HDR (Frank Kane)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: Dumbbell Nebula · HD189733 · HD345443 · HD345444 · HD345445 · HD345446 · HD345447 · HD345448 · HD345449 · HD345450 · HD345451 · HD345452 · HD345453 · HD345454 · HD345455 · HD345456 · HD345457 · HD345458 · HD345461 · HD345462 · HD345463 · HD345465 · HD345466 · HD345469 · HD345470 · HD345471 · M 27 · NGC 6853 · PK060-03.1

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Dumbbell Nebula (M27), HDR

Link: https://boldly-going.com

Powered byPixInsight

Dumbbell Nebula (M27), HDR

Link: https://boldly-going.com

M27, imaged over three nights from Central Florida. Stars are RGB, nebula is HOO with HDR applied.

To get a stars-only RGB image, I used StarXTerminator, stretched the starless version, and subtracted it from the original RGB image. The star image produced by StarXTerminator had no background noise and ended up looking weird if used directly. I then did a screen blend with the starless HOO / HDR narrowband image.

The goal was to retain the fiery detail in the middle of the nebula without it getting blown out and without losing the outer fringes, which I found harder than expected.

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Status	Advanced success
Started	...
Astrometry.net job	8348164
PixInsight job	E3BV088CCQ9XAOTNBYV5CSAMDVACPUON
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h59m37s.988
RA (top/left)	19h58m25s.800
RA (top/right)	19h58m13s.617
RA (bottom/right)	20h00m49s.859
RA (bottom/left)	20h01m02s.702

Dec (center)	+22°43′24″.25
Dec (top/left)	+23°02′52″.87
Dec (top/right)	+22°26′46″.56
Dec (bottom/right)	+22°23′54″.00
Dec (bottom/left)	+22°59′59″.99

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Dumbbell Nebula (M27), HDR

Dumbbell Nebula (M27), HDR

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Dumbbell Nebula (M27), HDR

Dumbbell Nebula (M27), HDR

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