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Observation by Martina McGovern: M13 Hercules globular cluster

Uploaded by

Martina McGovern

Observer

Martina McGovern

Observed

2021 Jan 31 - 01:40

Uploaded

2021 Jan 31 - 21:59

Objects

The Great Globular Cluster in Hercules (M13)

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Constellation

Hercules

Field centre

RA: 16h41m
Dec: +36°27'
Position angle: -131°10'

Field size

1°51' × 1°16'

Equipment
  • SharpStar 100Q II (Focal length 580mm, Focal Ratio f/5.8) refractor SkyWatcher HEQ5 PRO ZWO ASI294MC Pro, main camera ZWO ASIAir Pro, ZWO EAF (Electronic Automatic Focuser) ZWO 30mm Guide scope, ZWO ASI120MM mini, Guide camera Optolong L-Pro Broadband filter
Exposure

Total exposure time; Approx 2.5hrs of data with L-Pro (Moon was >90%); 90x 60sec, 35 x 120sec frames + Darks, Flats & Dark flats. Gain 100, Camera T -10C

Location

Near Cambridge city UK, Bortle approx 4

Target name

M13 Hercules globular cluster

Title

M13 Hercules globular cluster

About this image

Within the constellation Hercules 22K light years away.

 

Processing; Deep sky stacker, PixInsight with final tweaks in Photoshop and Topaz DeNoise.

 

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