Whats this artifact on the witches broom?

[Scott]

not sure if its dust on the sensor or what.

any clues

 

[StargeezerTim]

Looks to me like you had a microscopic superhero get past your dew shield and onto your objective. Get your lens puffer out and blow it/him away and off your optics, or they will get scratched. 

[AstroAndy]

Far be it from me to criticize such a nice image, but it looks somewhat Harried, maybe you shouldn't have Pottered around w/ it so much.

 

[estwing]

8 hours ago, AstroAndy said:

Far be it from me to criticize such a nice image, but it looks somewhat Harried, maybe you shouldn't have Pottered around w/ it so much.

 

Doh!...wish I had a " Quidditch " time I heard a Harry Potter joke.....

[Owmuchonomy]

Just use "Protego" on your kit or even Image>Edit>Expelliarmus in Photoshop.