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Jupiter 28/5/18

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About this observation
Observer
Andrew Ciavarella
Time of observation
28/05/2018 - 21:20
Object
Jupiter
Observing location
Taunton, Somerset, UK
Equipment
9mm ortho. + 2x barlow
254mm reflector F4.5
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My first serious observation of Jupiter this apparition having being rising early to observe Mars (and hence early to bed!). I noted that the GRS is such an intense red at the moment while the Northern Temperate Zones have lost the orange colour they had last summer, and both they and the Equitorial Zone had quite a strong yellow cast. The Northern Equatorial Belt was a ruddy brown colour and the Southern Equatorial Belt appeared just grey. Seeing was moderate (to poor) through a layer of haze but good enough to examine the detail in the SEB following the GRS. 

Comments

Jeremy's picture

That's a great sketch, Andrew.

As it happens, I was also observing Jupiter at about the same time, enjoying the same GRS transit under very steady conditions. I too was struck by how intensely coloured the GRS spot was (4-inch refractor)

All the best,

Jeremy

AndyCav's picture

Thanks Jeremy. I also noted that in the moments of better seeing it appeared that the GRS had a dark outline and was possibly a little more intense in its south-western parts.

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