Jupiter Nov 19

[Shiraz (Ray)]

Seeing was pretty good last night - best I can recall for a long while. The images were easy to process for an acceptable result - just slight sharpening and deconvolution, which was a pleasant change. Am very pleased to have a record of the EB disturbance.

Sampled at ~0.27 arc sec/pix and scaled for display - will try again (tonight maybe) at ~0.2 to see there is anything more to gain through finer sampling, but my scope has a large secondary obstruction (f4) and an undercorrected primary, so this may be about as good as I can get. Something with a bigger aperture and longer focal length seems to be looming as the next step....

Thanks for looking.

[Lester]

Nice amount of detail resolved in your image Ray. Thanks for the view.

[Hans Tucker (Hans)]

Good as you can get? You have got to be happy with that result Ray I would be if I would get off my behind and give it a go. Look forward to seeing more of your results.

[Shiraz (Ray)]

Hi Lester - thanks for your encouraging comment. Looks like it could be OK tonight if the clouds keep clear.

G'day Hans - thanks for your kind comment - yep, am pleased with the results.

[John Hothersall]

Beautiful, smaller images do look stronger in structure with the SEB revival mark showing, just wish it was clear in Brisbane.

John.

[Shiraz (Ray)]

Hi John. Yep, with a smallish scope, I can only get smallish images. Good luck with the weather.

[Quark (Trevor)]

Very nice work there Ray, heaps of detail and nicely processed.
On my monitor the NEB looks a bit too red but other than that this is a real corker of a result.

Regards
Trevor

[Shiraz (Ray)]

Hi Trevor
Thanks for pointing out the red colour cast - I did the final balancing by eye in a sunlit room with pink walls and it shows. I clearly need to spend a bit of time developing a robust colour calibration technique and appreciate your feedback.
Regards Ray

[michaellxv (Michael)]

Great image Ray. Lots of nice detail. Strange how the colour looks ok in the thumbnail, but as Trevor said the red comes out on the full size version.

[Matt Wastell (Matt)]

Hi Ray
Great record of the SEB outbreak - looks to be growing still?

[Shiraz (Ray)]

Hi Michael, thanks for your comments.

Hi Matt, thanks for your comment. The outbreak looks pretty big now - will be interesting to watch it develop and colour up. I think I can see some slight red colouration in the waves, but that might just be a processing artefact (see Trevor's comment).

[Clayton]

Very nice Ray, Interesting to see how the dark areas around the outbreak are spreading east and West.

[Paul Haese]

Nice result Ray. Seeing was bad here with lots of local wind which killed the seeing. Obviously you had much better seeing conditions.

[asimov (John)]

It looks good to me Ray. I think it could stand from a slight resize up & the 'red NEB' would be quite easily rectifyable with a slight hue shift.

Very nice work from an F4...!

[Shiraz (Ray)]

Originally Posted by Clayton

Very nice Ray, Interesting to see how the dark areas around the outbreak are spreading east and West.

Thanks Clayton, yes, it seems to be developing some colour too.

Originally Posted by Paul Haese

Nice result Ray. Seeing was bad here with lots of local wind which killed the seeing. Obviously you had much better seeing conditions.

Thanks Paul. Seeing was strange, slowly degraded from sunset and then at 9.57 it switched back to the normal bubble wrap mode. Up till then we had a gusty sea breeze, which I guess would have been fairly laminar.

Originally Posted by asimov

It looks good to me Ray. I think it could stand from a slight resize up & the 'red NEB' would be quite easily rectifyable with a slight hue shift.

Very nice work from an F4...!

Thanks John. In retrospect, the f4 was probably among the worst possible choices for this sort of imaging - great for DSOs though. But at least I now know what not to get in the next scope.

[iceman (Mike)]

Great image Ray, nice and sharp. What focal length were you using?

[Shiraz (Ray)]

Thanks Mike. Focal length was a little over 4m, which seems to be close to optimum for this scope and camera under most conditions. Image was upscaled for posting.