RHO OPHIUCHI (Lluis Romero Ventura)

Celestial hemisphere: Southern · Constellation: Ophiuchus (Oph) · Contains: Extremely wide field

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RHO OPHIUCHI

Link: https://www.flickr.com/photos/llromero/14246298466/

La variedad espectacular en los colores de las nubes de Rho Ophiuchi, mostrada en esta imagen, refleja los procesos que se llevan a cabo en su interior.

Las nubes azules brillan por efecto de la luz que reflejan. La luz azul de las estrellas Rho Ophiuchi y sus vecinas se refleja de manera más eficiente, en esta porción de la nebulosa, que la luz roja. Por la misma razón, en la Tierra el cielo diurno parece azul.

Las regiones roja y amarilla deben su brillo a la emisión del gas atómico y molecular de la nebulosa. La luz de las estrellas cercanas, particularmente la de la supergigante Antares, excita los electrones del gas que, al recombinarse, emiten luz.

Las regiones oscuras se deben a los granos de polvo, formados en las atmósferas de las estrellas jóvenes, que bloquean la luz emitida detrás.

En esta fotografía las nubes estelares de Rho Ophiuchi se ven junto al cúmulo globular M4 y son mucho más coloridas de lo que los humanos podemos ver. Las nubes emiten luz en todo el espectro, desde las ondas de radio hasta los rayos gamma.

Details Photo:

Date: 24/05/2014

Location: Montaña del Coll d'Ares (Lleida)

Moon Phase: Waxing Moon 21%

Seeing: 23:15 -->4/5 3:30 am -->3/5

Mount: Astrotrac

Camera: Canon 60Da

Lense: Tamron 90 f/2.8 -->f/3.5

Filter: Astronomik Eos Clip CLS-CCD

Exposure: 77 x 152 sec. ISO 1250 (Darks-Flats-Bias)

Software: Pixinsight

Please note: The following tables are updated every 24 hours.

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
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Extremely wide field
Star trails
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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
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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	285798
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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