Leo Triplet (Michel Makhlouta)

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: IC 2684 · IC 2694 · IC 2704 · IC 2708 · IC 2745 · IC 2752 · IC 2754 · IC 2761 · IC 2762 · IC 2765 · IC 2769 · IC 2782 · Leo Triplet · M 65 · M 66 · NGC 3623 · NGC 3627 · NGC 3628

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Leo Triplet

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Leo Triplet

The Leo Triplet (also known as the M66 Group) is a small group of galaxies about 35 million light-years away in the constellation Leo. This galaxy group consists of the spiral galaxies M65, M66, and NGC 3628.

This was one of the three targets I focused on during the weekend, which was around a new moon. I was reluctant at first about imaging such targets with my 80mm refractor instead of my still in retirement 8" newt. It turned out great though, I am really enjoying the wider field of view.

The first night was for Lum only on these targets. I ended up with facing an issue after stacking, with a lot of vertical lines that couldn't be corrected with calibration frames. This was on Gain 0. I changed to `Gain 76 for RGB the next night and it seems that solved the issue. A weird problem that took me a while to figure out, as it happened before and I ended up changing USB cables, ports, power source, calibration frames and then gave up until considering a change of gain. In any case, I managed to fix the master Lum in post processing every few more days of going back and forth.

Clear Skies!

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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	2583661
PixInsight job	JJQ5JVF2DFC2QA88ENI6UA3H90VHUQ8G
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	11h19m54s.64
RA (top/left)	11h16m17s.61
RA (top/right)	11h17m24s.56
RA (bottom/right)	11h23m30s.80
RA (bottom/left)	11h22m26s.11

Dec (center)	+13°16′11″.3
Dec (top/left)	+14°09′09″.4
Dec (top/right)	+12°11′03″.6
Dec (bottom/right)	+12°23′02″.5
Dec (bottom/left)	+14°21′14″.4

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Leo Triplet

Leo Triplet

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Image Index:

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Leo Triplet

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