NGC2841 Tiger's Eye Galaxy (Kyle Desrosier)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: 37 Lyn · NGC 2841

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NGC2841 Tiger's Eye Galaxy

Link: https://www.instagram.com/p/Ca3hXIjsgaA/

Powered byPixInsight

NGC2841 Tiger's Eye Galaxy

Link: https://www.instagram.com/p/Ca3hXIjsgaA/

The data acquisition for this image was a collaborative effort between myself and @lefty7283, processing done by me. The acquisition for this target was split roughly 50/50. It was captured over the same 2 nights, from 2 different rigs over 1300 miles apart from each other. Slightly different rotations of our telescopes led to stars with 8 diffraction spikes.

Processing Details:

Pre-processing (per channel)
Blink
ImageCalibration
SubframeSelector
StarAlignment
ImageIntegration
DrizzleIntegration

Linear Processing (L)
DynamicCrop
DynamicBackgroundExtraction

Linear Processing (RGB)
DynamicCrop
DynamicBackgroundExtraction
LinearFit
ChannelCombination
PhotometricColorCalibration
Repaired HSV Separation
ArcsinhStretch
ACDNR
HistogramTransformation

Linear Processing (Hyper Lum)
ImageIntegration
Deconvolution
TGVDenoise
MultiscaleMedianTransform
ArcsinhStretch
HistogramTransformation

Non-linear Processing (LRGB)
LRGBCombination
MultiscaleMedianTransform
StarNet2 (remove stars)
CurvesTransformation (contrast and saturation adjustments)
HDRMultiscaleTransform
LocalHistrogramEqualization
MultiscaleLinearTransform
CurvesTransformation (contrast and saturation adjustments)
ExponentialTransform
PixelMath (re-add stars)
CurvesTransformation (contrast and saturation adjustments)
ACDNR
MultiscaleMedianTransform
CurvesTransformation (contrast and saturation adjustments)

/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	5569114
PixInsight job	IR4YQIFNIZ1H4FQZUXREBFT4QUMKMG8J
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h22m02s.558
RA (top/left)	09h18m27s.413
RA (top/right)	09h18m06s.937
RA (bottom/right)	09h25m31s.985
RA (bottom/left)	09h26m04s.770

Dec (center)	+50°58′37″.51
Dec (top/left)	+51°35′57″.74
Dec (top/right)	+50°24′58″.51
Dec (bottom/right)	+50°20′52″.74
Dec (bottom/left)	+51°31′45″.14

Image Index:

Contribution Index (beta):

NGC2841 Tiger's Eye Galaxy

NGC2841 Tiger's Eye Galaxy

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Image Index:

Contribution Index (beta):

NGC2841 Tiger's Eye Galaxy

NGC2841 Tiger's Eye Galaxy

Equipment

Acquisition details

Description

Comments

Sky plot

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