The Thanksgiving Giant Squid (Aaron Freimark)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD202214 · HD202380 · HD239618 · LBN 445 · LBN 449 · LBN 453 · Sh2-129

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The Thanksgiving Giant Squid

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The Thanksgiving Giant Squid

Happy Thanksgiving all. I couldn't find a "Turkey Nebula" so here's the Giant Squid. Really giant, like 50 light years long. I imaged it two years ago, but wanted to try with my newer telescope, camera, and brand-new filters.

Giant Squid in Flying Bat...the best name in Nebulae

The squid is quite dim, and was discovered only in 2011.

Preprocessing

Weighted Batch Preprocessing with drizzle 2x
Dynamic Crop
Dynamic Background Extraction (except for Ha & OIII)

Ha & OIII

NoiseXTerminator
StarXTerminator
Histogram Transformation (OIII required many small intensity transformations, as it is so faint!)
Combine using PixelMath to make HOO
Curves Transformation to make the colors to my liking
Export at TIFF into Topaz Denoise

NoiseXTerminator
Histogram Transformation to stretch

RGB

ChannelCombination
Pixinsight's new Spectrophotometric Color Correction
EZ Soft Stretch
Convolute
LRGB Combination to apply L and saturate colors a bit
PixelMath to screen in stars ~(~RGB * ~HOO)
A little final cropping

Northeast Imagers
Mid-Hudson Astronomical Association (MHAA)

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	6639502
PixInsight job	6Z167GKG673CX7BEMI6HZCGJ27UK22II
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h11m57s.724
RA (top/left)	21h08m00s.891
RA (top/right)	21h07m53s.850
RA (bottom/right)	21h15m43s.660
RA (bottom/left)	21h16m12s.839

Dec (center)	+59°56′20″.11
Dec (top/left)	+60°42′44″.81
Dec (top/right)	+59°10′57″.16
Dec (bottom/right)	+59°09′31″.62
Dec (bottom/left)	+60°41′14″.41

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The Thanksgiving Giant Squid

The Thanksgiving Giant Squid

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Image Index:

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The Thanksgiving Giant Squid

The Thanksgiving Giant Squid

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Sky plot

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