Observation by Richard Sargent: Borisov's Variable Nebula

Uploaded by

Richard Sargent

Observer

Richard Sargent

Observed

2022 Dec 26 - 20:36

Uploaded

2022 Dec 27 - 22:09

Objects

Borisov's variable nebula

Equipment

C14 at f7 and Atik 460EX camera

Exposure

136 x 1 minute exposures

Target name

Borisov's Variable Nebula in Cepheus

Title

Borisov's Variable Nebula

About this image

This is a composite image comprising 118 x 1 min images from 15th December and 18 x 1 min images from 26th December. Earlier images taken at the beginning of the month were significantly affected by haze and moonlight but I had the suspicion from them that there was a small change to this nebula in the area indicated by the yellow arrow in the magnified view at lower left. The star arrowed seems fainter than in August (lower right magnified view) and the curved swirl coming out of it to the south seems less visible. It may be that poorer sky conditions are to blame but I am suspicious that the difference is real. Only further imaging can help decide but unfortunately this bit of sky is getting lower each night and will soon be behind my house roof.

Files associated with this observation

borisov_22-12-26_low_rsargent.jpg (366.6 kB)

Like this image

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