MWP 1

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: PK080-10.1

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MWP 1

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MWP 1

This object is an extremely faint ancient planetary nebula located 4500 light years away in the constellation of Cygnus at a declination of +34 degrees. The nebula spans 13 arc-minutes in our apparent view, which corresponds to a diameter of 17 light years. This size is huge for a planetary nebula, the largest I have ever imaged.

The structure of this PN is very interesting. This PN is believed to be one of the oldest in existence, at 150,000 years, so most of the obvious PN structure has faded away. Studying and comparing it to other PN such as M27, it seems to me that this is a horizontal bipolar structure, with the outer lobes left and right, and the central torus vertical. The central star is the blue star at the center of the image.

The nebula, also known as PNG 80.8-10.6, is named after its discovers Motch, Werner, and Pakull, who identified this nebula in 1993. The nebula is so faint that I encountered major amp glow artifacts when I brought the nebula signal up to a more visible level. In the future, for faint narrowband objects imaged with the ASI183, I need to image at a lower gain level.

Planetary Nebulae
ZWO ASI183/QHY183
Unique or Unusal Deep Sky Targets
The refractors!
Cloudy Nights
Narrowband imaging
Takahashi Refractors

All of My PN Images (264)
Ancient PN

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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.
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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	2981805
PixInsight job	87I2B23RDYWWGO1P59H2YB03N8UAWOQX
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	21h17m10s.779
RA (top/left)	21h16m07s.980
RA (top/right)	21h18m39s.105
RA (bottom/right)	21h18m13s.923
RA (bottom/left)	21h15m42s.211

Dec (center)	+34°12′13″.50
Dec (top/left)	+33°57′48″.31
Dec (top/right)	+34°05′40″.97
Dec (bottom/right)	+34°26′36″.75
Dec (bottom/left)	+34°18′42″.50

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