Observation by Ian Sharp: NGC 7023 The Iris Nebula

Uploaded by

Mr Ian David Sharp


Ian Sharp


2021 Nov 04 - 00:00


2021 Nov 05 - 16:44


The Iris Nebula (NGC7023)

Planetarium overlay



Field centre

RA: 21h01m
Dec: +68°10'
Position angle: +92°25'

Field size

2°49' × 1°52'

  • Takahashi FSQ-85EDX f/5.3 Quadruplet APO Refractor
  • QHY268C CMOS OSC Camera
  • Skywatcher AZ-EQ6 Pro Mount
  • Pegasus Astro FocusCube2 auto focuser
  • ZWO 60mm F/4.67 guide scope
  • ZWO ASI290MM Mini mono guide camera
  • Starlight Xpress 5 position 2" filter wheel
  • Astronomik 2" Luminance filter

117 x 300s


Ham Observatory, Near Selsey, UK

Target name

NGC 7023 The Iris Nebula


NGC 7023 The Iris Nebula

About this image

Imaging stated at astronomical dusk when the target had just passed the meridian and was about 78 degrees high, and finished at astronomical dawn when it had descended to about 29 degrees.

Fully calibrated with darks, flats and flat-darks and processed in PixInsight.

Pictures and details of equipment used are here: http://www.astro-sharp.com/2021/09/29/my-new-deep-sky-imaging-setup/

More information here: http://www.astro-sharp.com/2021/11/05/cosmic-diamond-dust-and-the-iris-nebula/

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