WHTZ 1 (Peter Goodhew)

Celestial hemisphere: Northern · Constellation: Aquila (Aql) · Contains: HD185806

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WHTZ 1

Link: https://www.imagingdeepspace.com/whtz-14-593513.html

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WHTZ 1

Link: https://www.imagingdeepspace.com/whtz-14-593513.html

WHTZ 1 is an obscure, very faint but complex high-excitation planetary nebula in Aquila. It has a size of 193 arc seconds.
It was discovered by Ronald Weinberger, Herbert Hartl, Sonia Temporin and Caterina Zanin in 1999. It was also independently discovered by the French amateur astronomer Thierry Raffaelli in 2014 and is also known as Ra 7. It has also been discovered on two further separate occasions by the Deep Sky Hunters members Dana Patchick and Matthias Kronberger. The limb brightening visible towards its northern edge suggests interaction with the interstellar medium.
This is only the second time that it has been imaged - the previous image by the CHART32 team.
Data Capture: Sven Eklund and Peter Goodhew
Data calibration and integration: Sven Eklund
Image processing: Peter Goodhew

Planetary Nebulae
Entre Encinas y Estrellas (e-EyE)
First on Astrobin

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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	6344762
PixInsight job	HUA9GHGO8VBWVCOE4M7LEI5YZUDGHJKN
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h40m43s.836
RA (top/left)	19h41m05s.140
RA (top/right)	19h40m23s.570
RA (bottom/right)	19h40m22s.490
RA (bottom/left)	19h41m04s.609

Dec (center)	+02°30′32″.30
Dec (top/left)	+02°34′05″.92
Dec (top/right)	+02°34′18″.20
Dec (bottom/right)	+02°26′58″.31
Dec (bottom/left)	+02°26′46″.14

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