Observation by Peter Goodhew FRAS: Abell 13

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Peter Goodhew FRAS

Observer

Peter Goodhew FRAS

Observed

2021 Dec 29 - 11:58

Uploaded

2021 Dec 31 - 12:01

Objects

Abell 13

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Constellation

Orion

Field centre

RA: 06^h04^m
Dec: +03°56'
Position angle: +1°17'

Field size

0°17' × 0°11'

Equipment

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

Exposure

53 hours total integration HaRGB

Location

Fregenal de la Sierra, Spain

Target name

Abell 13

Title

Abell 13

About this image

Abell 13 is highly evolved planetary nebula in Orion. It is sometimes known as the Orion Ring Nebula because it's morphology resembles the better known Ring Nebula, M57. However Abell 13 is much fainter at around mag 16. In both cases their oval shape is believed to be a result of them being bipolar nebulae viewed offset from their axis, making their ring structure appear oval. Abell 13 is 2.9 arc minutes in angular size and around 3,500 light years away. It was first catalogued as Abell 9 by George Abell in 1955, but renumbered as Abell 13 in his 1966 paper.
Image captured on my remote dual rig at Fregenal de la Sierra in Spain between 13-29 December 2021.
https://www.imagingdeepspace.com/abell-13.html

Files associated with this observation

Abell13 crop.jpg (782.6 kB)

Like this image

Nik Szymanek, Jeremy Shears, Simon Paul Davis, Tim Haymes, Martin Lewis, Graham Winstanley, Mike Harlow, Callum Potter, Peter Carson

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