Observation by Matthew Terrell: Chesire Cat Cluster

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Matthew Terrell

Observer

Matthew Terrell

Observed

2025 Feb 14 - 20:00

Uploaded

2025 Apr 20 - 16:22

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Constellation

Ursa Major

Field centre

RA: 10h38m
Dec: +48°48'
Position angle: -3°35'

Field size

0°09' × 0°06'

Equipment
  • 200mm RC Telescope.
  • HEQ5 belt driven mount
  • Player One Artemis C Pro
Exposure

300-900 seconds.

Location

Calne

Target name

Chesire Cat Cluster

Title

Chesire Cat Cluster

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Matthew Terrell
Matthew Terrell, 2025 Apr 20 - 16:23 UTC

27 hours looking at the gravitational lens in Ursa Major.

300 and 900 second exposures used to bring out the lensing.

Telescope focal length 1622mm

Watermark is from my Astrobin Profile.

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