Observation by Paul Leyland: JWST

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Dr Paul Leyland


Paul Leyland


2022 Aug 18 - 22:20


2022 Aug 19 - 14:08



Planetarium overlay



Field centre

RA: 20h08m
Dec: -26°49'
Position angle: -0°26'

Field size

0°28' × 0°12'

  • 0.4m Dilworth Relay
  • SX 694 CCD camera
  • No filter

30s + 60s


Tacande Observatory, MPC J22

Target name

James Webb Space Telescope



About this image

Some months ago it seemed like most everyone was taking images of the James Webb Space Telescope while it was on its way to its halo orbit around the Earth-Sun L2 Lagrange point. Very few appear to have been taken lately so I decided to remedy the situation.

The left image, with a 30 second exposure, began at 22:20:05; the right one was of 60 seconds starting at 22:33:03. The JWST is marked in each image. The motion against the background stars in 13 minutes is evident.

On this occasion the object seems to be quite bright so perhaps the sunshield was well orientated for terrestrial observation. Accurate photometry has not yet been done but I guess JWST is about g=14.9 here.


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Grant Privett
Grant Privett, 2022 Aug 19 - 14:23 UTC

Its declination of -26 puts me off! 

Dr Paul Leyland
Dr Paul Leyland, 2022 Aug 19 - 14:35 UTC

Grant: That's because it is summer where we are.  Wait three months and it will be close to the celestial equator.  L2 is always close to opposite to the Sun in the sky.

Anyway, lots of people now use remote telescopes and lots more people do not live in the sub-arctic, so I'm still surprised that so few images appear.

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