The Leo Triplet (estabrook)

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: HD98388 · IC 2708 · IC 2745 · Leo Triplet · M 65 · M 66 · NGC 3623 · NGC 3627 · NGC 3628

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The Leo Triplet

Revision title: Reprocessed in PixInsight

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Powered byPixInsight

The Leo Triplet

Revision title: Reprocessed in PixInsight

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Straddling the line between EAA and AP: This is derived from a live stack of 150 x 20 seconds for about 50 minutes total integration. No cooling, no filters, no calibration frames. Alt-Az mount.

Original
D
F
L
Final
M

M

Title: Reprocessed in PixInsight

Description: A year after taking this, one of my very first astro photos, during an EAA session, I revisited the data and reprocessed it in PixInsight. Thanks to PixInsight (and its photometric color calibration process), I was able to reveal far more color in this version. That said, my clumsy PixInsight processing techniques also tended to reveal how thin my data was (in those days an hour seemed like a lot of integration time!), so this version has lost a little of the earlier versions' detail. Despite the inevitable trade-offs, I think this version is worth keeping and posting.

Uploaded: ...

ZWO ASI183/QHY183
Light Polluted skies
HyperStar Lens Astrophotography
NOVAC

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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
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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	5829537
PixInsight job	ODQAQX7AQHCYQRSHCF4988S9GO8W6MGW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	11h19m41s.35
RA (top/left)	11h17m09s.54
RA (top/right)	11h18m29s.41
RA (bottom/right)	11h22m13s.42
RA (bottom/left)	11h20m53s.70

Dec (center)	+13°16′15″.9
Dec (top/left)	+12°47′14″.7
Dec (top/right)	+13°59′41″.0
Dec (bottom/right)	+13°45′07″.8
Dec (bottom/left)	+12°32′39″.2

Image Index:

Contribution Index (beta):

The Leo Triplet

Revision title: Reprocessed in PixInsight

The Leo Triplet

Revision title: Reprocessed in PixInsight

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Image Index:

Contribution Index (beta):

The Leo Triplet

Revision title: Reprocessed in PixInsight

The Leo Triplet

Revision title: Reprocessed in PixInsight

Equipment

Acquisition details

Description

Comments

Revisions

M

Sky plot

Histogram

In these public groups

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