Dumbbell Nebula - M27 (James Hawks)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: Dumbbell Nebula · HD345443 · HD345444 · HD345446 · HD345449 · HD345451 · HD345452 · HD345454 · HD345469 · M 27 · NGC 6853 · PK060-03.1

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Dumbbell Nebula - M27

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Dumbbell Nebula - M27

Dumbbell Nebula - M27

Dumbbell Nebula aka M27, approximately 1360ly from Earth, is a planetary nebula (nebulosity surrounding a white dwarf) in the constellation Vulpecula. The Dumbbell Nebula appears shaped like a prolate spheroid and is viewed from our perspective along the plane of its equator.

This image was captured, in a Queen Creek (Arizona) Bortle 7 backyard, using a Celestron EdgeHD 11" telescope with a 0.7x focal reducer. The telescope is mounted on a 10Micron GM2000 HPS II mount. The camera is a ZWO ASI 2600MM Pro using Antlia 3nm HA and OIII filters. It was captured over 4 nights (8-29-2022 to 9-1-2022). The images were stacked/processed in Pixinsight and fine-tuning done in Photoshop.

Acquisition:
   Location: Queen Creek, AZ Bortle 7
   Dates: 2022-08-29 to 2022-09-01
   Lights (Dithered, Cooled 0°C, Gain 340):
       60 x 90s HA
       40 x 200s HA
       60 x 90s OIII
       40 x 200s OIII
   Bias: 200
   Flats: 25

Hardware:
   Camera: ZWO ASI 2600MM PRO
   Scope: Celestron EdgeHD 11"
   Focal Reducer: Celestron 0.7x
   Focuser: Prodigy Microfocuser
   Guide Camera: ASI 174mm Mini
   Guide Scope: ZWO OAG-L
   Mount: GM2000 HPS II
   Filters: Antlia 3nm HA, OIII

Software:
   SGP
   Pixinsight
   Photoshop

Processing:
   Stacked in Pixinsight (WBPP, SubframeSelector, ImageIntegration)
   Pixinsight (DCrop, DBE, EZDecon, EZDenoise, MaskedStretch, PixelMath, BGNeutralization, SCNR, ArcsignhStretch, Curves, StarXTerminator)
   AstroFlat Pro in Photoshop
   APF-R Filter
   Camera Raw Filter in Photoshop
   Color/Levels Adjustments

N.I.N.A. Users

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	Distinct awarded users	Total awarded images
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This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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Other
Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	6298992
PixInsight job	P2BH8MXDTXJA43EQH2OD0CYF53J8351W
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h59m35s.600
RA (top/left)	20h00m15s.743
RA (top/right)	20h00m12s.114
RA (bottom/right)	19h58m55s.330
RA (bottom/left)	19h58m59s.145

Dec (center)	+22°43′33″.18
Dec (top/left)	+22°28′04″.49
Dec (top/right)	+22°59′30″.46
Dec (bottom/right)	+22°59′00″.64
Dec (bottom/left)	+22°27′35″.11

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Dumbbell Nebula - M27

Dumbbell Nebula - M27

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Dumbbell Nebula - M27

Dumbbell Nebula - M27

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