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Observation by John Hughes: Messier 39

Uploaded by

Mr John William Hughes

Observer

John Hughes

Observed

2021 Aug 27 - 22:00

Uploaded

2021 Aug 30 - 10:38

Objects

M39

Planetarium overlay









Constellation

Cygnus

Field centre

RA: 21h31m
Dec: +48°26'
Position angle: +2°23'

Field size

1°47' × 1°20'

Equipment
  • William Optics Z103 APO refractor
  • ZWO ASI174mm Pro Cool camera
  • SkyWatcher EQ6R-Pro mount
  • ZWO 8-position EFW
  • Flat 2Aii 0.8x reducer
  • Lodestar 2x guide camera & ZWO OAG
  • Chroma 1.25” RGB filters
Exposure

Gain 139, Offset 30, Sensor temperature -10

Location

North Essex

Target name

Messier 39

Title

Messier 39

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