Apr 152016
 

Spring may finally be coming to the northeastern US.  Skies were steadier than they had been recently, last night.  Seeing was better than average, but not great (of course Jupiter is over a month past opposition now, too).  Since the seeing was relatively steady over the evening, I took quite a bit of data that I’ll be sorting through when the cloudy skies return — I gathered over 60GB of data in last night’s session.

Here’s the first of what will be many images from the evening.  There is an interesting bright spot in the NEB (and a dark “eye” the right of it that shows up a better at shorter wavelengths).

2016-04-15-0239ut_wjaeschke_lrgb

Update:  It would be impracticable — and incredibly boring for you, my loyal reader(s) — to post each image from each dataset taken during this session.  They seeing was relatively constant (around 6-7/10) throughout the session, so I used WinJupos to align each of the images taken during the first half of the session (about a 30 minute period), and thus create a single image from over 75,000 frames of video data, i.e., the 22.5GB of data captured during the time period.  Here is the image, representing Jupiter at 2:30ut.  Note how much less noise the image below contains and how much better the definition of the details appear, compared to the image above (which resulted from a single data set comprising about 15,000 frames of video data).

2016-04-15-0230ut_wjaeschke_lrgb

Here’s one last image from this session.  This one is uses 12 minutes of video data from about an hour later.

2016-04-15-0332ut_wjaeschke_lrgb

 

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