Heart and Soul nebula (Daniel Axelsson)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD14558 · HD14794 · HD14817 · HD15022 · HD15069 · HD15238 · HD15239 · HD15250 · HD15382 · HD15522 · HD15557 · HD15558 · HD15570 · HD15629 · HD15640 · HD15665 · HD15785 · HD15851 · HD15862 · HD16038 · HD16088 · HD16183 · HD16218 · HD16349 · HD16410 · HD16429 · HD16506 · HD16507 · HD16626 · HD16778 · And 80 more.

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Heart and Soul nebula

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Heart and Soul nebula

Heart and soul nebula. This is most likely my final capture of the season, skies went really bright while i was imaging this target. I still have huge issues with donutshaped gradients from light coming in from the side (most likely) and hitting the scopes glass. Waiting for flocking paper to line the dew shield with to see if that will help. Canon t3i - modded EvoGuide 50Ed with StariZona EvoFF v2 flattener to achieve 55mm backfocus Skywatcher Star Adventurer 2i on a skywatcher tripod. This is aprox 140x60 seconds lights 40 darks 55 bias 45 flats Stacked and processed in PixInsight. NoiseXTerminator, StarXTerminator, BlurXTerminator used. Stretched with HistogramTransformation and CurvesTransformation. Final adjustments in Photoshop to get rid of some risidual gradients.

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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	7544648
PixInsight job	X2EW8GLDCIO4Y9NIL2ELOKIZXWB5W4U0
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h43m08s.20
RA (top/left)	03h06m15s.34
RA (top/right)	02h27m07s.14
RA (bottom/right)	02h20m55s.15
RA (bottom/left)	02h57m06s.38

Dec (center)	+61°00′41″.5
Dec (top/left)	+61°34′15″.5
Dec (top/right)	+63°08′09″.7
Dec (bottom/right)	+60°12′27″.9
Dec (bottom/left)	+58°46′28″.8

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Heart and Soul nebula

Heart and Soul nebula

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Image Index:

Contribution Index (beta):

Heart and Soul nebula

Heart and Soul nebula

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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