Observation by Alan Thomas: Sh 2-91 Cyg Supernova Remnant - Unseen a...

Uploaded by

Alan Thomas

Observer

Alan Thomas

Observed

2022 Aug 11 - 01:09

Uploaded

2022 Aug 11 - 11:01

Objects

Sharpless 91

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Constellation

Cygnus

Field centre

RA: 19h35m
Dec: +29°36'
Position angle: -0°17'

Field size

0°41' × 0°41'

Equipment
  • 42cm CDK17 corrected Dall-Kirkham f/6.8
  • FLI ProLine KAF-09000 camera
  • 10Micron GM4000 mount
  • SHO filter
Exposure

120sec.

Location

Observatorio del Teide, Tenerife

Target name

Sh 2-91 Cyg Supernova Remnant

Title

Sh 2-91 Cyg Supernova Remnant - Unseen again!

About this image

Sharpless 2-91 Cyg is the Deep Sky Section's August 'Object of Interest'. This exposure, using the COAST, also revealed no sign of the elusive supernova remnant! Better conditions, bigger aperture and wider field of view but exposure limited to 120sec. I will try again with the Unistellar . . . Herausforderungen!

(I post these non-images on the grounds that a negative result is still a datum)

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