Observation by Nick James: 13P/Olbers

Uploaded by

Nick James

Observer

Nick James

Observed

2024 Jul 07 - 22:47

Uploaded

2024 Jul 08 - 20:50

Objects

13P Olbers

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Constellation

Lynx

Field centre

RA: 09^h11^m
Dec: +42°05'
Position angle: +1°24'

Field size

3°09' × 2°16'

Equipment

72mm, f/4.8 refr. + ASI294MC

Exposure

20x60s

Location

Chelmsford, UK

Target name

13P/Olbers

Title

13P/Olbers

About this image

Another clear and transparent evening with clear skies down to my NW horizon allowed me to have another go at 13P/Olbers using my widefield, one-shot colour setup. The last image of this 20 image stack was taken with the comet only 12 deg above the NW horizon in quite bright twilight. Astrometrica estimated a sky brightness of 16.8 mag/arcsec^2. I took some new sky flats just before this observation. The new flats and careful gradient removal allowed me to detect the faint, blue, ion tail in PA 50 and the dust fan between PA30 and PA60. Total magnitude using comphot was 6.7.

Files associated with this observation

13p_20240707_224743_ndj.jpg (2.4 MB)

Like this image

Callum Potter, Honor Wheeler, David Strange, Dominic Ford

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