Observation by Alan Thomas: M106 Spiral Galaxy in Canes Venatici

Uploaded by

Alan Thomas

Observer

Alan Thomas

Observed

2023 Feb 14 - 03:12

Uploaded

2023 Feb 19 - 10:23

Objects

M106
NGC4248

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Constellation

Canes Venatici

Field centre

RA: 12^h18^m
Dec: +47°19'
Position angle: +179°28'

Field size

0°19' × 0°19'

Equipment

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

Exposure

3mins.

Location

Observatorio del Teide, Tenerife

Target name

M106 Spiral Galaxy in Canes Venatici

Title

M106 Spiral Galaxy in Canes Venatici

About this image

M106 is an intermediate spiral galaxy in Canes Venatici. It was discovered in Jul 1781 by Pierre Méchain.

This COAST image shows a bright irregular central nucleus with traces of two spiral arms. A surrounding disk includes patches of earth-like clouds, set within a much larger and fainter asymmetric disk. William Herschel's description (March 1788) is apt:"Very brilliant. Bright nucleus. With faint milky branches north preceding and south following. 15′ long and to the south following running into very faint nebulosity extending a great way. The nucleus is not round."

Distance c.23.7million ly. Diameter c. 135,000ly. Apparent mag. 9.1.

At lower left is the irregular galaxy NGC4248. It was discovered in February 1788 by William Herschel.

Distance c.17.1million ly. Diameter c.6,400ly. Apparent mag. 13.0.

Files associated with this observation

M106 COAST v3image-jpeg-i.jpg (233.2 kB)

Like this image

Gerard Cauchi, Callum Potter

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