Snake and Scorpion in Ophiuchus (Uri Abraham)

Celestial hemisphere: Southern · Constellation: Ophiuchus (Oph) · Contains: 44 b Oph · B255 · B261 · B262 · B67a · B68 · B69 · B70 · B71 · B72 · B74 · B75 · B77 · LDN 101 · LDN 102 · LDN 103 · LDN 107 · LDN 112 · LDN 117 · LDN 136 · LDN 37 · LDN 44 · LDN 53 · LDN 54 · LDN 55 · LDN 57 · LDN 59 · LDN 66 · LDN 69 · LDN 70 · And 12 more.

Powered byPixInsight

Snake and Scorpion in Ophiuchus

Powered byPixInsight

Snake and Scorpion in Ophiuchus

The Snake Nebula (center right)

These dark winding lanes at the center right belong to the Snake Nebula (Barnard 72); a series of dark absorption clouds made up of interstellar dust grains which are composed predominantly of carbon, it absorbs visible starlight and re radiate much of it in the infrared. This absorption causes stars behind the clouds to be obscured from view, hence the appearance of starless voids on the sky.

The Scorpion Nebula (in my eyes)

At the center is a Scorpion (not officially, but I see it) made up of 3 dark nebulae; B261,B262,B75

Barnard's nebulae are interstellar dark clouds of obscuring gas and dust. Their shapes are visible because they lie in the foreground along the line of sight to rich star fields and glowing stellar nurseries near the plane of our Galaxy.

Processing challenges

This image was by far the hardest for me to process. Most of my attempts ended very dull and colorless. After many iterations using different LRGB methods i finally realized that the luminance frames were causing the problem and reducing the luminance in the LRGB composition to only 40% worked best.

Astronomical Society of Victoria (ASV)

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	2842617
PixInsight job	178MMNEEILOXB0XQAFIN5AU59JCCT4EV
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	17h24m47s.90
RA (top/left)	17h20m23s.46
RA (top/right)	17h19m53s.78
RA (bottom/right)	17h29m18s.50
RA (bottom/left)	17h29m36s.50

Dec (center)	-22°48′13″.5
Dec (top/left)	-21°19′39″.5
Dec (top/right)	-24°12′17″.3
Dec (bottom/right)	-24°16′29″.5
Dec (bottom/left)	-21°23′41″.5

Image Index:

Contribution Index (beta):

Snake and Scorpion in Ophiuchus

Snake and Scorpion in Ophiuchus

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

		...
You have no new notifications.

Image Index:

Contribution Index (beta):

Snake and Scorpion in Ophiuchus

Snake and Scorpion in Ophiuchus

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

Notifications

AstroBin is in READ ONLY mode

Sorry :-(

Sorry :-(

Sorry :-(

Are you really sure?

Warning!

Warning!

Are you sure?

Report abuse

Slideshow settings

IOTD/TP stats (last [x] days)

Distribution of astrophotographers

Distribution of subject types

Distribution of data sources

Sorry

Sorry

Share

Upload new revision

Upload uncompressed source (XISF/FITS/PSD/TIFF)

Delete image and all its revisions?

Delete original image?

Delete all other versions?

Delete all revisions?

IOTD/TP stats

The following people like this image

The following people bookmarked this image

Warning

Flag malfunctioning thumbnails

Contains

Remove yourself as a collaborator

Plate-solving information