Observation by Alan Thomas: M81 Spiral Galaxy (Bode's Galaxy) in Urs...

Uploaded by

Alan Thomas

Observer

Alan Thomas

Observed

2022 Sep 08 - 05:52

Uploaded

2022 Sep 10 - 12:26

Objects

M81

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Constellation

Ursa Major

Field centre

RA: 09^h55^m
Dec: +69°04'
Position angle: +179°28'

Field size

0°38' × 0°38'

Equipment

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

Exposure

3min.

Location

Observatorio del Teide, Tenerife

Target name

M81 Spiral Galaxy (Bode's Galaxy) in Ursa Major

Title

M81 Spiral Galaxy (Bode's Galaxy) in Ursa Major

About this image

This much-observed spiral galaxy was discovered by Johann Bode in December 1774.

This image, obtained using the COAST in Tenerife, presents the galaxy as a large, ghostly presence, the glowing nucleus buried in an opaque disk from which emanate two gigantic spiral arms.

Diameter c.90,000ly. Distance c.12million ly. Apparent mag. 6.9.

Files associated with this observation

MESSIER81 BVR (2).jpg (858.7 kB)

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