Observation by Alan Thomas: M77 Barred Spiral Galaxy in Cetus

Uploaded by

Alan Thomas

Observer

Alan Thomas

Observed

2022 Oct 17 - 05:27

Uploaded

2022 Oct 17 - 13:43

Objects

M77

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Constellation

Cetus

Field centre

RA: 02^h42^m
Dec: +00°00'
Position angle: -0°30'

Field size

0°28' × 0°29'

Equipment

42cm CDK17 corrected Dall-Kirkham f/6.8
FLI ProLine KAF-09000 camera
10Micron GM4000 mount
BVR filter

Exposure

120sec

Location

Observatorio del Teide, Tenerife

Target name

M77 Barred Spiral Galaxy in Cetus

Title

M77 Barred Spiral Galaxy in Cetus

About this image

This image of M77, a barred spiral galaxy in Cetus, was obtained using the COAST instrument in Tenerife with an exposure of 120sec (unfortunately I was here at the time!). The galaxy was discovered by Pierre Méchain in October 1780. It is a type 2 Seyfert galaxy.

The image shows a bright core with a distinct bar surrounded by a larger, dimmer disk showing signs of structure.

Distance c.47million ly. Diameter c.170,000ly. Apparent dimensions 7.1'x6.0'. Apparent mag. 9.6.

Files associated with this observation

MESSIER77 (2).jpg (64.8 kB)

Like this image

Dr Paul Leyland, Patrick Maloney

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