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Observation by Alex Pratt: Video astrometry of JWST - 2022 Jan 2

Uploaded by

Alex Pratt

Observer

Alex Pratt

Observed

2022 Jan 02 - 22:14

Uploaded

2022 Jan 03 - 14:44

Objects

Spacecraft

Planetarium overlay









Constellation

Grus

Field centre

RA: 22h46m
Dec: -46°47'
Position angle: -3°32'

Field size

0°12' × 0°17'

Equipment
  • C11 f/10 and f/3.3 focal reducer
  • Watec 910HX video camera
  • IOTA-VTI GPS 1PPS video time inserter
  • OccuRec (recording)
  • Tangra (reduction)
Exposure

0.64s (16 video frames)

Location

Z92 (Bortle 7)

Target name

Video astrometry of JWST - 2022 Jan 2

Title

Video astrometry of JWST - 2022 Jan 2

About this image

The James Webb Space Telescope has been an elusive target during this poor weather. Several evenings were spent waiting for it to climb out of the 'light blight' over Leeds, just for the clouds to race in...

I managed to do some astrometry of it yesterday evening

     JWST     n2022 01 02.92743206 20 33.87 +00 27 57.7          14.5 R      Z92

     JWST     n2022 01 02.93639506 20 31.56 +00 28 02.8          14.4 R      Z92

Its motion was measured to be 0.04"/sec in RA and 0.01"/sec in Dec. At 22:45 it looked to be a little fainter when I then moved on to my occultation targets.

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