Observation by Peter Goodhew FRAS: Arp 297

Uploaded by

Peter Goodhew FRAS

Observer

Peter Goodhew FRAS

Observed

2021 Apr 20 - 16:34

Uploaded

2021 Apr 26 - 16:42

Objects

Arp 297
NGC5752

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Constellation

Bootes

Field centre

RA: 14^h45^m
Dec: +38°45'
Position angle: -1°00'

Field size

0°18' × 0°12'

Equipment

APM TMB LZOS 152 Refractors
10Micron GM2000 HPS mount
QSI6120 CCD Cameras

Exposure

13.2 hours total integration LRGB

Location

Fregenal de la Sierra, Spain

Target name

Arp 297

Title

Arp 297

About this image

Some intergalactic mayhem caused by gravitational interaction.
Arp 297 is a quartet of galaxies, consisting of NGC 5752, NGC 5753, NGC 5754 and NGC 5755, which looks like a compact group but actually consists of two galaxy pairs at quite different distances, located in the constellation of Boötes.
NGC 5754 and NGC 5752, both barred spiral galaxies, lie at a distance of roughly 200 million light-years (while NGC 5753, a spiral galaxy, and NGC 5755, a huge barred spiral, lie much further away at distances of about 450 million light-years).
The internal structure of NGC 5754 (about 75 thousand light-years across) has hardly been disturbed by the encounter whereas gravitational interaction between these two galaxies has produced a long tidal tail (of about 275,000 light-years long) extending from NGC 5752.

More details are available on my website at:
https://www.imagingdeepspace.com/arp-297.html

Files associated with this observation

Arp297.jpg (1.1 MB)

Like this image

David Strange, Martin Lewis, Jeremy Shears, Paul Whitmarsh, Tim Haymes, Nik Szymanek, Nick Hewitt, Graham Winstanley, Mr John William Hughes, Callum Wingrove, Callum Potter, Peter Carson

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