海王星 ALPO-Japan Latest

Neptune Image 2021/10/22(UT)

Christophe Pellier
Christophe.P

Christophe Pellier
Some images of the blue dot :) both nights under excellent seeing.
As usual the southern limb is brighter in longer wavelengths.
I have tried to image the darkening of the south pole with a blue filter. 
There is a dark patch but... this would require more observations!
 

[Christophe Pellier  Bruz City,France]

ALPO-Japan Latest Neptune Section
2021/10/23
2021/10/21