British Astronomical Association
Supporting amateur astronomers since 1890

Secondary menu

Main menu

BAA Community Member Pages John Coffin
Image search

Comet C 2020 F3 (NEOWISE) spectrum

Image

Expand image

About this observation
Observer
John Coffin
Time of observation
21/07/2020 - 01:26
Object
Comet C 2020 F3 (NEOWISE)
Observing location
Essex
Equipment
Alpy 600 spectrometer with guide and calibration modules
Celestron 8 Edge HD
x 0.7 reducer
AZ-EQ6 mount
Atik 460 EX camera
Exposure
600 seconds x 6
Tags
Like This Image
Share

This spectrum was taken from the comet's halo. It was at an altitude of 10 deg, and the reference star (Merak) was at 20 deg. This means the relative intensities of the various emission lines will not be accurate. It shows Swan Bands due to diatomic carbon emissions, and also CN (cyanogen) and CH. 

Copyright of all images and other observations submitted to the BAA remains with the owner of the work. Reproduction of the work by third-parties is expressly forbidden without the consent of the copyright holder. For more information, please contact the webmaster.