The Dolphin's Head Nebula SH2-308 (Mago Juanma)

Celestial hemisphere: Southern · Constellation: Canis Major (CMa) · Contains: 16 CMa) · The star Udra (ο1 CMa

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The Dolphin's Head Nebula SH2-308

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The Dolphin's Head Nebula SH2-308

The Dolphin's Head Nebula (SH2-308) stands out as a celestial gem in the Canis Major constellation, positioned at an approximate distance of 4,530 light-years from us. The bubble-shaped structure of this nebula has been sculpted by the powerful winds emanating from the massive Wolf-Rayet star, EZ Canis Majoris (EZ CMa), located at its core.The photograph, taken by @magojuanmagarcia in Albacete capital during the months of February and March 2024, unveils a faint emission dominated by the glow of ionized oxygen atoms, depicted in blue tones through narrow-band filters.Prominently featured in the foreground is the striking red star (Omicron 1 CMa) on the right side of the image, a red supergiant whose distance is not precisely defined but is situated in front of the nebula in our visual plane.Observing this nebula provides a unique experience where the realms of science and cosmic poetry intertwine in a breathtaking astronomical dance.

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

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
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
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	Basic success
Started	...
Astrometry.net job	9407814
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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The Dolphin's Head Nebula SH2-308

The Dolphin's Head Nebula SH2-308

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The Dolphin's Head Nebula SH2-308

The Dolphin's Head Nebula SH2-308

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