M90 and IC 3583 (Arp 76) ( sydney )

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M90 and IC 3583 (Arp 76)

Imaging Telescopes Or Lenses: Celestron EdgeHD 14"
Imaging Cameras: SBIG ST-10XME
Mounts: Astro-Physics 900GTO
Filters: Astrodon Gen2 I-Series Tru-Balance Blue 1.25" · Astrodon Gen2 I-Series Tru-Balance Green 1.25" · Astrodon Gen2 I-Series Tru-Balance Lum 1.25" · Astrodon Gen2 I-Series Tru-Balance Red 1.25"
Accessories: Celestron 0.7X Reducer EdgeHD1400 (94240)
Software: Adobe Photoshop · CCDWare CCDStack

Dates:: May 9, 2023 · May 14, 2023 · May 15, 2023 · May 19, 2023
Frames:: Astrodon Gen2 I-Series Tru-Balance Blue 1.25": 12×420″(1h 24′)
Astrodon Gen2 I-Series Tru-Balance Green 1.25": 12×420″(1h 24′)
Astrodon Gen2 I-Series Tru-Balance Lum 1.25": 46×600″(7h 40′)
Astrodon Gen2 I-Series Tru-Balance Red 1.25": 12×420″(1h 24′)
Integration:: 11h 52′
Avg. Moon age:: 24.39 days
Avg. Moon phase:: 32.84%

Basic astrometry details

Astrometry.net job: 7848418

RA center: 12h36m50s.2

DEC center: +13°10′30″

Pixel scale: 0.510 arcsec/pixel

Orientation: 88.921 degrees

Field radius: 0.187 degrees

Resolution: 2184x1472

File size: 1.1 MB

Data source: Backyard

M90 and IC 3583 (Arp 76)

M90 (also known as NGC 4569) is a spiral galaxy that is part of the Virgo cluster. It is sometimes referred to as an anemic galaxy because of a dearth of star formation in its spiral arms. This is related to the stripping away of interstellar gas and material (ram pressure stripping) from interactions with the intracluster medium. A January 2016 paper by Boselli, Cuillandre, Fossati, et.al. using the MegaCam at the Canadian-French-Hawaii Telescope describes the presence of “spectacular tails” of diffuse ionized gas extending from the disc of the galaxy (available at 1601.04978.pdf (arxiv.org).

M90 is one of the few galaxies that exhibit a blue-shifted spectrum indicating a net motion in our direction within the Virgo cluster. M90 is about 59 million light-years away from Earth.

Irregular galaxy IC 3583 is visible to the right of M90 in this image. IC 3583 is about 30 million light-years away and may be gravitationally interacting with M90. Together the pair is listed in Halton Arp’s Atlas of Peculiar Galaxies as Arp 76. Many other galaxies are also visible in the image.

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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Status	Basic success
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Astrometry.net job	7848418
PixInsight job	n/a
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M90 and IC 3583 (Arp 76)

M90 and IC 3583 (Arp 76)

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M90 and IC 3583 (Arp 76)

M90 and IC 3583 (Arp 76)

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