Observation by David Davies: Messier 110

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David Davies


David Davies


2020 Nov 22 - 16:22


2020 Dec 28 - 16:40


The Andromeda Galaxy (M31)

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Field centre

RA: 00h40m
Dec: +41°37'
Position angle: +0°28'

Field size

0°52' × 0°39'

  • 8-inch Ritchey-Chretien with 0.7x reducer
  • QSI 683 camera with Astrodon filters
  • Skywatcher EQ8 mount

32 luminance and 17 each of RGB, all at 5-minutes exposure


Cambridge, UK

Target name

Messier 110, NGC 295


Messier 110

About this image

I think most people who observe M110 see it as a rather featureless blob close to the Andromeda galaxy, M31. I thought it would be interesting to have a closer look at M110 and have the image partly framed by M31, close by. This is the result of around a month of data gathering when the weather and Moon allowed.

I have found the image fascinating to inspect in detail. Several globular clusters associated with M110 are discernable as "not stellar" objects and there are hints of the star stream flowing from M110 to M31. I did not want to overdo the contrast compression (stretching) of the image as I didn't want to saturate the brighter stars, to preserve their colour, or to saturate the core of M31. Unfortunately, this jpg image does not have the detail or bit depth of the original high-resolution image to see some of these features.

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