SAO 319617 A Star Named for a Friend (Kyle Desrosier)

Celestial hemisphere: Southern · Constellation: Columba (Col)

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SAO 319617 A Star Named for a Friend

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SAO 319617 A Star Named for a Friend

A friend of mine asked me to image a star that was purchased for her many years ago via an online star registry. I was worried when I received the coordinates as the star only reaches 18° in my southern sky. The star was only visible for about 2 hours above 15°, and guiding with that much atmospheric turbulence was challenging. Luckily I got enough clean data to integrate and am pleased with the result.

Processing Details

Pre-processing (per channel)

Blink
ImageCalibration
SubframeSelector
StarAlignment
ImageIntegration
DrizzleIntegration
DynamicCrop

Linear Processing (per channel)

DynamicBackgroundExtraction
LinearFit

Linear Processing (RGB)

ChannelCombination
PhotometricColorCalibration
SCNR (G)
Repaired HSV Separation
ArcsinhStretch
HistogramTransformation

Linear Processing (Synthetic L)

Extract luminance from linear RGB
TGVDenoise
MultiscaleMedianTransform
ArcsinhStretch
HistogramTransformation

Non-linear Processing (LRGB)

LRGBCombination
CurvesTransformation (contrast and saturation adjustments)
ACDNR
CurvesTransformation (final contrast and saturation adjustments)
Star De-Emphasis

/r/astrophotography

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	5407814
PixInsight job	YUEX8UOR1UXGPJD1EYNQYV4PCZWJAXB4
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h06m34s.595
RA (top/left)	06h10m02s.983
RA (top/right)	06h03m25s.408
RA (bottom/right)	06h03m03s.110
RA (bottom/left)	06h09m46s.487

Dec (center)	-32°52′34″.75
Dec (top/left)	-32°19′43″.40
Dec (top/right)	-32°14′48″.52
Dec (bottom/right)	-33°25′08″.68
Dec (bottom/left)	-33°29′58″.81

Image Index:

Contribution Index (beta):

SAO 319617 A Star Named for a Friend

SAO 319617 A Star Named for a Friend

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Image Index:

Contribution Index (beta):

SAO 319617 A Star Named for a Friend

SAO 319617 A Star Named for a Friend

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

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