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Observation by Mike Greenhill-Hooper: NGC 660 Polar ring galaxy

Uploaded by

Mike Greenhill-Hooper

Observer

Mike Greenhill-Hooper

Observed

2026 Nov 01 - 22:00

Uploaded

2026 Nov 13 - 12:31

Objects

NGC660

Planetarium overlay









Constellation

Pisces

Field centre

RA: 01h43m
Dec: +13°39'
Position angle: +146°21'

Field size

0°16' × 0°11'

Equipment
  • Telescope: 20" f/4 Obsession Dobsonian; Paracorr coma corrector
  • ASI294MMPro with LRGB filters
Exposure

4 (2)x150 frame live stacks for L(RGB) filters; 2s exposure, gain 450, temp 1C, dark corrected

Location

Miradoux, S.W. France

Target name

NGC 660

Title

NGC 660 Polar ring galaxy

About this image

This is one of the most beautiful galaxies that I have imaged. I have also identified around a dozen PGC catalogued galaxies in the image with magnitudes down to 20-21; most of whom are hundreds and even billions of light years away. The image was created by using SharpCap Pro to produce 5 minute (150x2s) live stacks with the various filters. These were then aligned and combined using Affinity Photo's LRGB composition plugin. Colour calibration and sharpening (with RC Astro's BlurXterminator) of the resulting linear image was then performed in Siril. Further processing (including tone stretching) on the starless and star mask images was carried out in Affinity Photo and then it was back to Siril to denoise with RC Astro's NoiseXterminator.

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