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Pages: 1 | 2 | (show all) Kecktastic Post Laureate Reged: 01/16/10 Loc: Broken Hill NSW Australia Saturn Feb 1st, spots & polar storm       #5659235 - 02/03/13 01:12 AM Attachment (103 downloads) Edit   Reply   Quote Quick Reply   Hi All, Imaged Saturn Feb 1st in variable seeing, the best of it being quite reasonable. I noted the recent message circulated by John Rogers to our group regarding the hexagonal polar storm imaged quite nicely by Darryl. Through 2012 as the Nth pole became more visible this polar storm started to show up, particularly at 807nm IR although it was also visible in some R and RGB data. I am confident that a search through the PVOL data base would reveal many examples of it. I have never previously seen a polar map of it though, it has never really been a priority for our work with Georg and the RPWS data. Having said that I have attached a polar map from one of my RGB data sets for Feb 1st and clearly the hexagon can be seen. The hexagon can also be seen in the individual RGB & 742nm IR images. I have also attached an animation of 3 RGB data sets that covers the rotation over a 35 min period, I note that this animation reveals a few degrees rotation of the hexagonal polar storm. Probably of greater interest to our RPWS work are some interesting details in the NEB. In the animation is a well defined spot mid way through the NEB, just to the Preceding side of the CM and moves toward the "P" limb. Also at a similar latitude in the NEB but starting from back toward the Following limb and moving toward the CM is another reasonably bright feature, however it seems to be more stretched out rather than just a spot. Regards Trevor Post Extras:       Kecktastic Post Laureate Reged: 01/16/10 Loc: Broken Hill NSW Australia Re: Saturn Feb 1st, spots & polar storm [Re: Kecktastic]       #5659236 - 02/03/13 01:13 AM Attachment (53 downloads) Edit   Reply   Quote Quick Reply   RGB01 Post Extras:       Kecktastic Post Laureate Reged: 01/16/10 Loc: Broken Hill NSW Australia Re: Saturn Feb 1st, spots & polar storm [Re: Kecktastic]       #5659237 - 02/03/13 01:14 AM Attachment (37 downloads) Edit   Reply   Quote Quick Reply   Polar map Post Extras:       Kecktastic Post Laureate Reged: 01/16/10 Loc: Broken Hill NSW Australia Re: Saturn Feb 1st, spots & polar storm [Re: Kecktastic]       #5659238 - 02/03/13 01:15 AM Attachment (32 downloads) Edit   Reply   Quote Quick Reply   RGB02 Post Extras:       Kecktastic Post Laureate Reged: 01/16/10 Loc: Broken Hill NSW Australia Re: Saturn Feb 1st, spots & polar storm [Re: Kecktastic]       #5659239 - 02/03/13 01:16 AM Attachment (36 downloads) Edit   Reply   Quote Quick Reply   RGB animation Post Extras:       Freddy WILLEMS Postmaster Reged: 11/13/05 Loc: Hawaii, Honolulu Re: Saturn Feb 1st, spots & polar storm [Re: Kecktastic]       #5659279 - 02/03/13 01:56 AM Edit   Reply   Quote Quick Reply   Now that's a very nice and clear Polar projection Map Trevor. Great detail and sharp Hexagon all around (almost)..Now if you can capture the lightning that would be awesome, but that might require a 'special' filter ($$$).. Post Extras:       wenjha Vendor Reged: 09/24/08 Loc: SuZhou China Re: Saturn Feb 1st, spots & polar storm [Re: Freddy WILLEMS]       #5659309 - 02/03/13 02:38 AM Edit   Reply   Quote Quick Reply   Yes,very clear Post Extras:       ZielkeNightsky Pooh-Bah Reged: 10/01/06 Loc: Denmark Re: Saturn Feb 1st, spots & polar storm [Re: wenjha]       #5659439 - 02/03/13 07:16 AM Edit   Reply   Quote Quick Reply   Great set of images and animation. Most impressive Post Extras:       whduke Carpal Tunnel Reged: 04/22/08 Loc: Clayton NC Re: Saturn Feb 1st, spots & polar storm [Re: wenjha]       #5659443 - 02/03/13 07:19 AM Edit   Reply   Quote Quick Reply   Wow awesome detail in the Hex storm! Post Extras:       ToxMan Carpal Tunnel Reged: 01/23/11 Loc: Tucson, Arizona, USA Re: Saturn Feb 1st, spots & polar storm [Re: whduke]       #5659498 - 02/03/13 08:21 AM Edit   Reply   Quote Quick Reply   Quote: I am confident that a search through the PVOL data base would reveal many examples of it. I have never previously seen a polar map of it though, it has never really been a priority... I'm certain you are correct. When I brought the hexagon feature to Darryl's attention a few days before he posted a better image of it, I thought of the hexagon as another feature we could strive to resolve. And, the significance would come at a later date. It's the first time we (amateurs) have had scopes, cameras, techniques and Saturn's tilt to get a "look" at it. Very nice presentation, Trevor. Hope the heat isn't drying you up and blowing you away, like a tumbleweed. You folks "down under" are really taking a "solar beating." Paul Post Extras:       Rankinstudio Carpal Tunnel Reged: 04/05/08 Loc: Southern UT Re: Saturn Feb 1st, spots & polar storm [Re: ToxMan]       #5659663 - 02/03/13 10:18 AM Edit   Reply   Quote Quick Reply   Awesome set of images Trevor Post Extras:       lcd1080 professor emeritus Reged: 06/03/10 Loc: Maryland, USA Re: Saturn Feb 1st, spots & polar storm [Re: Rankinstudio]       #5659720 - 02/03/13 10:53 AM Edit   Reply   Quote Quick Reply   The hexagon in your polar projection looks so clear it would fare rather nicely in a geometry textbook, beautifully done Trevor! Did you derotate the R, G, and B channels individually and/or collectively? Pete Post Extras:       Az Frank Pooh-Bah Reged: 10/18/08 Loc: Tucson Arizona Re: Saturn Feb 1st, spots & polar storm [Re: lcd1080]       #5659961 - 02/03/13 01:07 PM Edit   Reply   Quote Quick Reply   Looks like some of your best work so far this aparition Trevor! No doubt about the hexagon in your projection map.Evident in your other images as well!Excellent job! Post Extras:       bunyon Carpal Tunnel Reged: 10/23/10 Loc: Winston-Salem, NC Re: Saturn Feb 1st, spots & polar storm [Re: Az Frank]       #5659971 - 02/03/13 01:11 PM Edit   Reply   Quote Quick Reply   Now that Jupiter is going away, I'm getting very jealous of you southerners. Not only is it warm, you have Saturn up high. Fantastic images and a really nice animation. Thanks for giving us a look. Post Extras:       Kecktastic Post Laureate Reged: 01/16/10 Loc: Broken Hill NSW Australia Re: Saturn Feb 1st, spots & polar storm [Re: Freddy WILLEMS]       #5661115 - 02/04/13 03:59 AM Edit   Reply   Quote Quick Reply   Thanks Freddy, reckon it would be really awesome to image the aurora at the Saturnian poles, Hubble has managed it but then the HST cost just a little more than my rig and is in a marginally better position. Appreciate your comment Sam. Thanks Mitch, in a few more years as the ring tilt opens wider the entire polar region containing the hex will be available to us. Thanks Paul, in another 15 years we will be getting a similar view of the South Polar region to what we are currently seeing with the North Pole. I suppose, with an orbit of close to 30 years it takes a bit of time to see all the faces of Saturn but see them we will, well I will if I live long enough. Imagine what sort of equipment might be available then. Thanks for the kind words David. Thanks Pete,I derotated the R's from each set to create a new & improved R, did the same with the G & B data then merged them by derotating the new R, G & B to create the final image. Thanks Frank, sadly I would have to agree that this is my best thus far for this apparition, however the seeing was quite variable with the best of it quite nice but rather a lot of very ordinary stuff mixed in with it. It would be great to get some good seeing to take full advantage of the really nice alt rather than be over processing marginal data to get a fair result. Thanks Paul, yep, sure has been warm out in these parts of late but Saturn is rising higher and higher and for sure the weather will become milder and bring with it better imaging conditions. Post Extras:       Kecktastic Post Laureate Reged: 01/16/10 Loc: Broken Hill NSW Australia Re: Saturn Feb 1st, spots & polar storm [Re: Kecktastic]       #5661116 - 02/04/13 04:03 AM Attachment (12 downloads) Edit   Reply   Quote Quick Reply   Have done a Polar projection map of the 742nm IR data posted here. This is 21 min's prior to the RGB Polar projection map I originally posted. Edited by Kecktastic (02/04/13 04:04 AM) Post Extras:       Kecktastic Post Laureate Reged: 01/16/10 Loc: Broken Hill NSW Australia Re: Saturn Feb 1st, spots & polar storm [Re: Kecktastic]       #5661119 - 02/04/13 04:07 AM Attachment (13 downloads) Edit   Reply   Quote Quick Reply   A Polar projection map of the 2nd RGB in this post at 19-01 UTC which is 20 minutes after the initial RGB map in this post. Post Extras:       Mert Post Laureate Reged: 08/31/05 Loc: Spain, Pamplona Re: Saturn Feb 1st, spots & polar storm [Re: Kecktastic]       #5661304 - 02/04/13 08:56 AM Edit   Reply   Quote Quick Reply   I doubt Hubble is in marginally better position, is there any good beer out there?? LOL Great images Trevor, always good to see work from you!! Post Extras:       ZuoZhao super member Reged: 10/16/12 Re: Saturn Feb 1st, spots & polar storm [Re: Mert]       #5661322 - 02/04/13 09:07 AM Edit   Reply   Quote Quick Reply   Nice! My DOB10 cant show any details! Post Extras:       mitovka professor emeritus Reged: 06/08/10 Loc: Slovakia, CE Re: Saturn Feb 1st, spots & polar storm [Re: ZuoZhao]       #5661792 - 02/04/13 01:32 PM Edit   Reply   Quote Quick Reply   Impressive work Trevor! ZZ I do not believe you... Post Extras:       Pages: 1 | 2 | (show all)

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