[AZ-Observing] Re: Jupiter (unidentified feature?)
- From: Stan Gorodenski <stanlep@xxxxxxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Thu, 26 Feb 2015 09:14:21 -0700
Or could the scar be a stand of dust over the chip?
On 2/25/2015 8:11 AM, Padraig Houlahan wrote:
> I think it's entirely likely these are imaging artifacts caused by various
> filters. The bright spot, being close to a dark one, suggests excessive
> contrast or some other such filter. As for the 'scar,' I was able to find a
> similar pattern on the lower left which suggests it is noise and we see what
> we want to see. The aggressive image processing needed to get good planetary
> images will produce artifacts every now and then I think.
>
> PH
>
> Sent from my iPhone
>
>
>> On Feb 25, 2015, at 2:45 AM, Derrick Lim<antaresv@xxxxxxxxx> wrote:
>>
>> Hello,
>> A friend of mine in Kuala Lumpur, Malaysia imaged Jupiter around 17:06 UTC
>> (1:06am local Malaysian time) on Feb 22nd and recorded an interesting
>> feature. I've helped him posted his image on spaceweathergallery.com, but
>> would also like to see what anyone here thinks of what the feature might
>> be.
>>
>> With words, it looks like a disturbance extending from about 80 degree
>> north latitude to 20 degrees north where it ends in a bright splotch.
>>
>> The photos can be found here:
>>
>> http://spaceweathergallery.com/indiv_upload.php?upload_id=109234&PHPSESSID=19ouh96a8ip6ecu4uqtf84sfg1
>>
>> Any help is appreciated. Thank you!
>>
>> Derrick Lim
>>
>>
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