The Leo Triplet (Steve Argereow)

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

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The Leo Triplet

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The Leo Triplet

Messier 65 (M65) is an intermediate spiral galaxy that forms the Leo Triplet with the nearby Messier 66 and NGC 3628.
The three galaxies are located in the constellation Leo. M65 lies at a distance of about 35 million light years from Earth
and has an apparent magnitude of 10.25. It has the designation NGC 3623 in the New General Catalogue. Messier 65
occupies an area of 8.079 by 2.454 arc minutes of apparent sky, which corresponds to a linear diameter of about
90,000 light years. It is one of the most popular targets among amateur astronomers as it can be seen and photographed
in the same field of view as its neighbors, M66 and NGC 3628.

Information Credits: Wikipedia
Here this years version of the Leo Triplet which includes data from both 2022 and 2023

Telescope: Explorer Scientific 127mm CF APO Refractor
Explore Scientific X0.7 Reducer f/5.25 (Focal Length 667mm)
Mount IOptron CEM40

Camera ZWOASI2600MC-Pro Temp -10C, Binning 1 x 1, Gain 100 Offset 50
ZWO EFW

36 X 300 Second Exposures W/Optolong L-Pro Filter
24 X 300 Second Exposures W/Optolong L-Ultimate 3nm filter
56 X 300 Second Exposures W/Optolong UV-IR
40 Dark Frames/30 Flats/30 Bias
Total Integration Time: 9 Hours 30 Minutes
Acquisition with SharpCap
Stacked with Astro Pixel Processor
Guiding PHD2
Processed with Astra Image
Photo taken from Seven Lakes, NC Bortle 4.5

AstroBin Platform open discussions community forum
ZWO ASI 2600MC PRO
North Carolina Astronomers
Optolong L-eXtreme filter

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	7580927
PixInsight job	ZK2GHINARQWJ82A0MTLSE0NOBJXKJSVP
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	11h19m50s.54
RA (top/left)	11h21m19s.18
RA (top/right)	11h21m22s.80
RA (bottom/right)	11h18m21s.75
RA (bottom/left)	11h18m19s.42

Dec (center)	+13°15′17″.5
Dec (top/left)	+12°40′33″.9
Dec (top/right)	+13°49′29″.2
Dec (bottom/right)	+13°49′54″.5
Dec (bottom/left)	+12°41′03″.1

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Contribution Index (beta):

The Leo Triplet

The Leo Triplet

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Image Index:

Contribution Index (beta):

The Leo Triplet

The Leo Triplet

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Description

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