C ALPO-Japan Latest

Neptune Image 2015/07/20(UT)

Marc Delcroix
M.Delcroix

Marc Delcroix (320mm Newton)
First try to catch the bright spot on Neptune which was detected on Calar Alto, with my new ASI224MC, and that was a success, first time I could image details on Neptune with my backyard telescope (probably 2 spots):
http://www.astrosurf.com/delcroix/images/planches/n20150720i-02h32.5UT-MDe.jpg

That camera works quite well in infrared, I even imaged the faint Neptune with the same magnification as I use on Jupiter or Saturn!

I could update the ephemeris for the brightest spot transit:

WinJUPOS 10.2.0 (Neptune), C.M. transit times, 2015/07/20  18:31
Object longitude: L = 222,4 + 23,3313/d * (T - 2015 Jul 16,5)
Time interval: 2015 Jul 12,0 ... 2015 Sep 01,0
Output format: Date UT (C.M. of System 1)
------------------------------------------------------------------------------
2015 Jul 12   09:49 ( 127)
2015 Jul 13   02:39 ( 143)   19:29 ( 160)   19:30 ( 160)
2015 Jul 14   12:20 ( 176)
2015 Jul 15   05:10 ( 192)   22:01 ( 209)
2015 Jul 16   14:51 ( 225)
2015 Jul 17   07:42 ( 242)
2015 Jul 18   00:32 ( 258)   17:23 ( 274)
2015 Jul 19   10:13 ( 291)
2015 Jul 20   03:04 ( 307)   19:54 ( 323)
2015 Jul 21   12:44 ( 340)   12:45 ( 340)
2015 Jul 22   05:35 ( 356)   22:25 (  12)
2015 Jul 23   15:16 (  29)
2015 Jul 24   08:06 (  45)
2015 Jul 25   00:57 (  62)   17:47 (  78)
2015 Jul 26   10:38 (  94)
2015 Jul 27   03:28 ( 111)   20:19 ( 127)
2015 Jul 28   13:09 ( 143)
2015 Jul 29   05:59 ( 160)   06:00 ( 160)   22:50 ( 176)
2015 Jul 30   15:40 ( 192)
2015 Jul 31   08:31 ( 209)
2015 Aug 01   01:21 ( 225)   18:12 ( 242)
2015 Aug 02   11:02 ( 258)
2015 Aug 03   03:53 ( 275)   20:43 ( 291)
2015 Aug 04   13:34 ( 307)
2015 Aug 05   06:24 ( 324)   23:15 ( 340)
2015 Aug 06   16:05 ( 356)
2015 Aug 07   08:56 (  13)
2015 Aug 08   01:46 (  29)   18:36 (  45)   18:37 (  46)
2015 Aug 09   11:27 (  62)
2015 Aug 10   04:17 (  78)   21:08 (  95)
2015 Aug 11   13:58 ( 111)
2015 Aug 12   06:49 ( 127)   23:39 ( 144)
2015 Aug 13   16:30 ( 160)
2015 Aug 14   09:20 ( 176)
2015 Aug 15   02:11 ( 193)   19:01 ( 209)
2015 Aug 16   11:52 ( 226)
2015 Aug 17   04:42 ( 242)   21:33 ( 258)
2015 Aug 18   14:23 ( 275)
2015 Aug 19   07:14 ( 291)
2015 Aug 20   00:04 ( 307)   16:55 ( 324)
2015 Aug 21   09:45 ( 340)
2015 Aug 22   02:36 ( 357)   19:26 (  13)
2015 Aug 23   12:17 (  29)
2015 Aug 24   05:07 (  46)   21:58 (  62)
2015 Aug 25   14:48 (  78)
2015 Aug 26   07:38 (  95)   07:39 (  95)
2015 Aug 27   00:29 ( 111)   17:19 ( 127)   17:20 ( 128)
2015 Aug 28   10:10 ( 144)
2015 Aug 29   03:00 ( 160)   03:01 ( 160)   19:51 ( 177)
2015 Aug 30   12:41 ( 193)   12:42 ( 193)
2015 Aug 31   05:32 ( 209)   22:22 ( 226)   22:23 ( 226)
------------------------------------------------------------------------------
Good luck! 

[Marc Delcroix  Tournefeuille,France]

ALPO-Japan Latest Neptune Section
2015/07/21
2014/10/22