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Observation by Alun Halsey: C/2020 F3 (NEOWISE) spectrum

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Alun Halsey

Observer

Alun Halsey

Observed

2020 Jul 11 - 02:05

Uploaded

2020 Jul 13 - 15:34

Objects

C/2020 F3 (NEOWISE)

Equipment
  • Canon 1100D (full spectrum modified)
  • Canon 80-200mm zoom lens @ 100mm
  • Static tripod
  • Star Analyser 100 grating
Exposure

10 seconds @ ISO 800

Location

Reading Berkshire UK

Target name

C/2020 F3 (NEOWISE)

Title

C/2020 F3 (NEOWISE) spectrum

About this image

Had an attempt at capturing the spectrum of comet NEOWISE on the morning of the 11th July by holding the star analyser in front of the lens,being careful not to disturb focus whilst holding  the grating (1.25" filter) as still as possible I run off this single 10 second exposure to capture this spectrum which clearly shows the Na D sodium emission. Must admit this was the best shot out of ten attempts to get it right :)

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