A recent discussion between George and Dean concerning a yellowish hue in the NTrZ led me to explore the area. I had seen this hue, though called it bit more ruddy than yellow. But, I hadn't really noticed it, lately. The zone appeared to be pretty much white and I sketched it, and the SEB, as such.
So, I began looking for brighter whites across Jupiter's face. Low and behold, and as luck might have it, there certainly were more pure whites in the SEB preceding the GRS that was rolling into view.
Once I set this as a baseline for white, I was astonished at the color I had been missing in the equatorial zone. It's not white at all. It's actually a very soft, pale yellowish hue. A very distinct SEB northern border with the EQ zone was indeed streaked with very white features. A bit less white was seen bordering the NEB, too.
Gotta pay more attention to those details. When one does see them, it changes the face of Jupiter nicely. I can only hope the sketch does justice to this new found property of Jupiter. It's another of a string of "firsts" for me this year and I wanted to share it.
Sorry, but I spent a lot of time studying the EQ zone during this sketch and might have missed some other features. One feature I included, and will continue to include, is the fading of the belts in the limb darkening.
OH! That tiny dark oval following BA was very apparent last night. Normally I can spot it periodically. Last night, it held steady for long periods of time as it neared the meridian. At first, I wondered why the object was not easy, guessing it was nearly the size of a transit shadow and nearly as dark. Turns out, it is very much smaller. A mere pin point of a dark spot.
Thanks! Discussion on color perception, anyone? I am all ears.
10 Nov 1630UT beginning and CM sys 1 about 010. Seeing 8-9/10, transparency mag 4.5. UO 12mm HD Ortho, Celestron 2x Shorty Barlow giving 174x. Unfiltered.