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BAA Images Dean Ashton

Observation by Dean Ashton: Globular Cluster M3

Uploaded by

Dean Ashton

Observer

Dean Ashton

Observed

2021 May 03 - 09:32

Uploaded

2021 May 03 - 09:36

Objects

M3

Planetarium overlay









Constellation

Canes Venatici

Field centre

RA: 13h42m
Dec: +28°23'
Position angle: +0°52'

Field size

0°33' × 0°22'

Equipment
  • Celestron 9.25 EdgeHD
  • Celestron CGEM
  • QHY268C Camera
  • OAG with Loadstar X2 Guide Camera
  • Optolong L-Pro Filter
Exposure

/f10 (fl 2,350mm); 33x600s exposures; ExtendedFullWell Camera Mode-Gain15 (full well 65,000e)

Location

St Austell, Cornwall UK

Target name

M3

Title

Globular Cluster M3

About this image

Globular cluster M3 captured on nights of 30 April and 1 May 2021.  The sky quality was good on the 1st May.

Images calibrated with a Master Flat Frame.  Bias and dark calibration using overscan and optic-black areas of the sensor for each individual sub-frame.

All calibration, registration, integration and processing with PixInsight.

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