Section Cen30 of the Centaurus Cluster of galaxies including NGC 4622 The Backward Galaxy (Ian Parr)

Celestial hemisphere: Southern · Constellation: Centaurus (Cen) · Contains: NGC 4601 · NGC 4603 · NGC 4616 · NGC 4622 · NGC 4650

Section Cen30 of the Centaurus Cluster of galaxies including NGC 4622 The Backward Galaxy, Ian Parr

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Section Cen30 of the Centaurus Cluster of galaxies including NGC 4622 The Backward Galaxy

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Section Cen30 of the Centaurus Cluster of galaxies including NGC 4622 The Backward Galaxy

Some nice galaxies in this field.

NGC 4622 (also called Backward galaxy) Mag 12.6 Size 1'.7 × 1'.6 and is about 111 million light years away and is an example of a galaxy with leading spiral arms where each spiral arm winds away from the center of the galaxy and ends at an outermost tip that "points" away from the arm. The outer arms of NGC 4622 are instead leading spiral arms, meaning the tips of the spiral arms point towards the direction of disk rotation. This may be the result of a gravitational interaction between NGC 4622 and another galaxy or the result of a merger between NGC 4622 and a smaller object.
NGC 4603 Mag 11.3 Size 02'37.98" x +0°01'31 is a spiral galaxy located about 107 million light years away. NGC 4650 is a Lenticular Galaxy Mag 13.9 1'.6 × 0'.8

I manged to more than double by frame count last night and that allowed me to use Generalised Extreme Studentized Deviate Integration instead of Winsorized Sigma Clipping and that makes a huge difference.

Centaurus holds some amazing fields of galaxy clusters. Time to move on.

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	Image of the day	Top pick	Top pick nominations	Total submitted
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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.

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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.
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Section Cen30 of the Centaurus Cluster of galaxies including NGC 4622 The Backward Galaxy

Section Cen30 of the Centaurus Cluster of galaxies including NGC 4622 The Backward Galaxy

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Image Index:

Contribution Index (beta):

Section Cen30 of the Centaurus Cluster of galaxies including NGC 4622 The Backward Galaxy

Section Cen30 of the Centaurus Cluster of galaxies including NGC 4622 The Backward Galaxy

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