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Saturn's Equatorial Storm

2018-04-22

Saturn continues to display interesting atmospheric activity to the reach of amateur equipment. An equatorial bright storm with two sides and located at planetographic latitude +6.0 has been observed by several observers since February and notably over April. The feature is probably the same equatorial bright feature observed since 2014 and has been object of recent scientific research(Sanchez-Lavega et al., Nature Communications, 2016).

Here are ephemeris of its transits over Saturn's CM using System I. Note that besides the prominent Equatorial and polar storms some other repeated features are observed also in the planet at latitudes +20 to +60.

WinJUPOS 10.2.2 (Saturn), C.M. transit times, 2018/05/16  16:41
Object longitude: L1 = 348,4° -  3,8516°/d * (T - 2018 Apr 01,5)
Time interval: 2018 Apr 01,0 ... 2018 Jun 01,0
Output format: Date UT (C.M. of System 1)
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2018 Apr 01   02:58 ( 350°)   13:10 ( 348°)   23:21 ( 347°)
2018 Apr 02   09:32 ( 345°)   19:43 ( 343°)
2018 Apr 03   05:54 ( 342°)   16:05 ( 340°)
2018 Apr 04   02:17 ( 339°)   12:28 ( 337°)   22:39 ( 335°)
2018 Apr 05   08:50 ( 333°)   19:01 ( 332°)
2018 Apr 06   05:12 ( 330°)   15:24 ( 329°)
2018 Apr 07   01:35 ( 327°)   11:46 ( 325°)   21:57 ( 324°)
2018 Apr 08   08:08 ( 322°)   18:19 ( 320°)
2018 Apr 09   04:31 ( 319°)   14:42 ( 317°)
2018 Apr 10   00:53 ( 316°)   11:04 ( 314°)   21:15 ( 312°)
2018 Apr 11   07:26 ( 310°)   17:38 ( 309°)
2018 Apr 12   03:49 ( 308°)   14:00 ( 306°)
2018 Apr 13   00:11 ( 304°)   10:22 ( 302°)   20:33 ( 301°)
2018 Apr 14   06:45 ( 299°)   16:56 ( 298°)
2018 Apr 15   03:07 ( 296°)   13:18 ( 294°)   23:29 ( 293°)
2018 Apr 16   09:40 ( 291°)   19:51 ( 289°)
2018 Apr 17   06:03 ( 288°)   16:14 ( 286°)
2018 Apr 18   02:25 ( 284°)   12:36 ( 283°)   22:47 ( 281°)
2018 Apr 19   08:58 ( 279°)   19:10 ( 278°)
2018 Apr 20   05:21 ( 276°)   15:32 ( 275°)
2018 Apr 21   01:43 ( 273°)   11:54 ( 271°)   22:05 ( 270°)
2018 Apr 22   08:16 ( 268°)   18:28 ( 267°)
2018 Apr 23   04:39 ( 265°)   14:50 ( 263°)
2018 Apr 24   01:01 ( 262°)   11:12 ( 260°)   21:23 ( 258°)
2018 Apr 25   07:35 ( 257°)   17:46 ( 255°)
2018 Apr 26   03:57 ( 253°)   14:08 ( 252°)
2018 Apr 27   00:19 ( 250°)   10:30 ( 248°)   20:41 ( 247°)
2018 Apr 28   06:53 ( 245°)   17:04 ( 244°)
2018 Apr 29   03:15 ( 242°)   13:26 ( 240°)   23:37 ( 239°)
2018 Apr 30   09:48 ( 237°)   19:59 ( 235°)
2018 May 01   06:11 ( 234°)   16:22 ( 232°)
2018 May 02   02:33 ( 231°)   12:44 ( 229°)   22:55 ( 227°)
2018 May 03   09:06 ( 225°)   19:17 ( 224°)
2018 May 04   05:29 ( 223°)   15:40 ( 221°)
2018 May 05   01:51 ( 219°)   12:02 ( 217°)   22:13 ( 216°)
2018 May 06   08:24 ( 214°)   18:35 ( 212°)
2018 May 07   04:47 ( 211°)   14:58 ( 209°)
2018 May 08   01:09 ( 208°)   11:20 ( 206°)   21:31 ( 204°)
2018 May 09   07:42 ( 203°)   17:53 ( 201°)
2018 May 10   04:05 ( 200°)   14:16 ( 198°)
2018 May 11   00:27 ( 196°)   10:38 ( 195°)   20:49 ( 193°)
2018 May 12   07:00 ( 191°)   17:11 ( 189°)
2018 May 13   03:23 ( 188°)   13:34 ( 187°)   23:45 ( 185°)
2018 May 14   09:56 ( 183°)   20:07 ( 181°)
2018 May 15   06:18 ( 180°)   16:29 ( 178°)
2018 May 16   02:41 ( 177°)   12:52 ( 175°)   23:03 ( 173°)
2018 May 17   09:14 ( 172°)   19:25 ( 170°)
2018 May 18   05:36 ( 168°)   15:47 ( 167°)
2018 May 19   01:58 ( 165°)   12:10 ( 164°)   22:21 ( 162°)
2018 May 20   08:32 ( 160°)   18:43 ( 159°)
2018 May 21   04:54 ( 157°)   15:05 ( 155°)
2018 May 22   01:16 ( 153°)   11:28 ( 152°)   21:39 ( 151°)
2018 May 23   07:50 ( 149°)   18:01 ( 147°)
2018 May 24   04:12 ( 145°)   14:23 ( 144°)
2018 May 25   00:34 ( 142°)   10:46 ( 141°)   20:57 ( 139°)
2018 May 26   07:08 ( 137°)   17:19 ( 136°)
2018 May 27   03:30 ( 134°)   13:41 ( 132°)   23:52 ( 131°)
2018 May 28   10:03 ( 129°)   20:15 ( 128°)
2018 May 29   06:26 ( 126°)   16:37 ( 124°)
2018 May 30   02:48 ( 123°)   12:59 ( 121°)   23:10 ( 119°)
2018 May 31   09:21 ( 117°)   19:33 ( 116°)
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