IC4603 to IC4605 in the Rho Ophiuchi complex (Göran Nilsson)

Celestial hemisphere: Southern · Constellation: Scorpius (Sco) · Contains: 11.76 · 12 c01 Sco · 13 c02 Sco · 14.01 · 19 omi Sco · 20 sig Sco · 21 alf Sco · 22 i Sco · 23 tau Sco · 230 Athamantis · 25 Sco · 5 rho Oph · 95 Arethusa · Alniyat · Antares · B229 · B42 · B44 · B45 · IC 4591 · IC 4596 · IC 4603 · IC 4604 · IC 4605 · M 4 · M 80 · NGC 6121 · NGC 6144 · PK352+11.1 · PK352+11.2 · And 11 more.

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IC4603 to IC4605 in the Rho Ophiuchi complex

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IC4603 to IC4605 in the Rho Ophiuchi complex

The Rho Ophiuchi cloud complex is made up of a striking mix of nebulosity around the star ρ Ophiuchi of the constellation Ophiuchus. It is one of the closest star-forming regions to the Solar System. IC4605 is the small blue reflection nebula in the centre of the image. IC4604 and 4605 are the larger blue reflection nebulae up to the right. The are also two major star clusters from the Messier catalogue (M4 and M80) in the image.

This is RGB data from Telescope Live at the El Sauce hosting facility at 1500m elevation in Río Hurtado, Coquimbo Region, Chile. 18 x 5 min red, 19 x 5 min green, and 18 x 5 min blue.

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
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	Advanced success
Started	...
Astrometry.net job	4686518
PixInsight job	644PAEK26WP9Q6ZJZ8SG90Y6MZ4Q4GVF
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	16h30m13s.24
RA (top/left)	16h48m28s.65
RA (top/right)	16h11m49s.66
RA (bottom/right)	16h10m53s.71
RA (bottom/left)	16h49m40s.46

Dec (center)	-25°07′41″.10
Dec (top/left)	-21°33′03″.9
Dec (top/right)	-21°35′06″.4
Dec (bottom/right)	-28°33′33″.1
Dec (bottom/left)	-28°31′06″.1

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Contribution Index (beta):

IC4603 to IC4605 in the Rho Ophiuchi complex

IC4603 to IC4605 in the Rho Ophiuchi complex

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Image Index:

Contribution Index (beta):

IC4603 to IC4605 in the Rho Ophiuchi complex

IC4603 to IC4605 in the Rho Ophiuchi complex

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