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BAA Images Picture of the week Paul Downing, FRAS

Observation by Peter Goodhew, FRAS: Abell 33

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Paul Downing, FRAS


Peter Goodhew, FRAS


2021 Apr 08 - 01:09


2021 Jun 12 - 07:50


Abell 33

Planetarium overlay



Field centre

RA: 09h39m
Dec: -02°48'
Position angle: -0°59'

Field size

0°16' × 0°10'

  • APM TMB LZOS 152 Refractor
  • QSI6120 CCD Camera

6.4 hours LRGBOIII


Fregenal de la Sierra, Spain

Target name

Abell33 - The Diamond Ring Nebula


Abell 33

About this image

Abell 33 is a spherical planetary nebula located 2700 light years away in the southern constellation of Hydra. It lies just behind the star HD 83535. The star HD 83535 is responsible for the "diamond ring" effect seen in the photograph.
Image captured on my dual rig in Spain.
Scopes: APM TMB LZOS 152 Refractors
Cameras: QSI6120wsg8
Mount: 10Micron GM2000 HPS
A total of 6.4 hours image capture (OIIILRGB)
More details are available on my website at:

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