Cone Nebula #5 (Bicolor) (Molly Wakeling)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon)

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Cone Nebula #5 (Bicolor)

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Cone Nebula #5 (Bicolor)

Another narrowband image from my light-polluted backyard near Berkeley, CA!

The Cone Nebula is a hydrogen emission nebula region in the constellation Monoceros, east of Orion, and it lies about 2,700 lightyears away. The Cone itself, the pillar of gas in the center, is a dark nebula of cold gas and dust, which is backlit by the glowing hydrogen gas around it. That column of gas and dust is actually 7 lightyears long, or more than 11,000 times the distance from the Sun to Pluto! The gas and dust in this region slowly coalesce over time, drawn together by gravity, to form new stars.

This image is a bi-color image of hydrogen-alpha and oxygen-III light (a deep red and a teal-blue) combined together as a single color image, with the H-alpha assigned to red, and the OIII assigned to both green and blue. So it is an approximation of a true-color image of the region. Narrowband filters only allow a small fraction of light through around a particular wavelength, which really cuts down on light pollution and allows me to get much better contrast and detail!

Women Astrophotographers

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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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	4434374
PixInsight job	P4F8JBMWS7BDEL8TV8ZM0IKX3XFNK6EW
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h41m08s.444
RA (top/left)	06h42m48s.439
RA (top/right)	06h39m44s.490
RA (bottom/right)	06h39m28s.613
RA (bottom/left)	06h42m32s.258

Dec (center)	+09°28′07″.17
Dec (top/left)	+09°39′21″.64
Dec (top/right)	+09°45′34″.55
Dec (bottom/right)	+09°16′49″.80
Dec (bottom/left)	+09°10′37″.30

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Cone Nebula #5 (Bicolor)

Cone Nebula #5 (Bicolor)

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Cone Nebula #5 (Bicolor)

Cone Nebula #5 (Bicolor)

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