B.R.A.S. small web logoMonthly Observing Information

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This page provides charts, and text concerning what is visible in the night sky during the month noted. All information is for Baton Rouge, Louisiana, but they can still provide useful information for most other areas of the U.S.A. Sky charts, Saturn ring plane, and Venus phase images are for Midnight, on the 15th day of the month. Sky charts are 100 degree field of view, and show objects down to 12th magnitude. Times in the text information are in 24 hour format and have been adjusted for Daylight Savings Time. Subtract 12 hours from those over 12 to get the equivalent PM. RA and DEC given are for Epoch 2000.

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Baton Rouge Clear Sky Clock
Click on image for more info and details. This clock is for the Baton Rouge area only.

Baton Rouge Clear Sky Clock

Kisatchie Clear Sky Clock
Click on image for more info and details. This clock is for the Kisatchie area only.

Kisatchie Clear Sky Clock

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May

Moon Calendar

Moon Calendar image

Sky charts

View/download sky chart north image View/download sky chart south image

View/download sky chart east image View/download sky chart west image

North South East West

Saturn’s Ring Plane

Saturn ring plane image

Venus Phase

Venus phase image

Sun and Moon Rise and Set

  Date       Moonrise   Moonset   Sunrise   Sunset   Twilight  Twilight
------------ --------- --------- --------- --------- --------- ---------
5/2/2017         11:19     00:23     06:21     19:43     04:53     21:11
5/3/2017         12:19     01:17     06:20     19:44     04:52     21:12
5/4/2017         13:20     02:04     06:19     19:45     04:51     21:13
5/5/2017         14:18     02:46     06:18     19:45     04:50     21:14
5/6/2017         15:16     03:25     06:17     19:46     04:49     21:15
5/7/2017         16:11     04:01     06:16     19:47     04:48     21:16
5/8/2017         17:05     04:35     06:16     19:47     04:47     21:17
5/9/2017         17:59     05:09     06:15     19:48     04:46     21:18
5/10/2017        18:52     05:44     06:14     19:49     04:45     21:18
5/11/2017        19:45     06:19     06:13     19:49     04:44     21:19
5/12/2017        20:37     06:56     06:13     19:50     04:43     21:20
5/13/2017        21:29     07:36     06:12     19:51     04:42     21:21
5/14/2017        22:19     08:18     06:11     19:51     04:41     21:22
5/15/2017        23:08     09:04     06:11     19:52     04:40     21:23
5/16/2017        23:54     09:53     06:10     19:52     04:39     21:24
5/17/2017       ------     10:44     06:10     19:53     04:38     21:25
5/18/2017        00:37     11:38     06:09     19:54     04:37     21:26
5/19/2017        01:19     12:33     06:08     19:54     04:36     21:27
5/20/2017        01:58     13:31     06:08     19:55     04:35     21:28
5/21/2017        02:37     14:30     06:07     19:56     04:35     21:29
5/22/2017        03:15     15:32     06:07     19:56     04:34     21:29
5/23/2017        03:54     16:35     06:06     19:57     04:33     21:30
5/24/2017        04:35     17:42     06:06     19:57     04:32     21:31
5/25/2017        05:20     18:49     06:06     19:58     04:32     21:32
5/26/2017        06:09     19:58     06:05     19:59     04:31     21:33
5/27/2017        07:02     21:06     06:05     19:59     04:30     21:34
5/28/2017        08:01     22:10     06:04     20:00     04:30     21:35
5/29/2017        09:03     23:08     06:04     20:00     04:29     21:35
5/30/2017        10:07     24:00     06:04     20:01     04:29     21:36
5/31/2017        11:10    ------     06:03     20:01     04:28     21:37

Information and images in this section from The Sky6 Professional

Solar System Information

              Planet View Info Report for  5/ 1/2017 to  5/31/2017

                                    Mercury

Date       Rise  Set     RA         Dec         Elongation   Ill Fr  DIST(AU)

 5/ 1/2017  5:37 18:19    1h32m51s    8°19'13"   16°19'08"   0.105    0.60137
 5/ 8/2017  5:16 17:55    1h36m31s    7°12'53"   22°45'19"   0.226    0.67544
 5/15/2017  5:03 17:47    1h52m37s    8°03'15"   25°32'03"   0.350    0.77484
 5/22/2017  4:57 17:53    2h18m57s   10°24'20"   25°21'28"   0.471    0.89000
 5/29/2017  4:56 18:11    2h54m14s   13°46'24"   22°47'12"   0.600    1.01454

                                     Venus

Date       Rise  Set     RA         Dec         Elongation   Ill Fr  DIST(AU)

 5/ 1/2017  4:23 16:35    0h02m13s    1°37'49"   39°40'47"   0.269    0.44079
 5/ 8/2017  4:11 16:27    0h18m54s    2°14'29"   42°22'37"   0.325    0.49184
 5/15/2017  4:01 16:22    0h38m40s    3°23'18"   44°09'17"   0.376    0.54535
 5/22/2017  3:52 16:21    1h00m46s    4°56'45"   45°13'28"   0.423    0.60039
 5/29/2017  3:43 16:22    1h24m42s    6°47'46"   45°45'11"   0.465    0.65623

                                      Mars

Date       Rise  Set     RA         Dec         Elongation   Ill Fr  DIST(AU)

 5/ 1/2017  7:48 21:44    4h18m30s   22°03'11"   25°47'07"   0.980    2.39591
 5/ 8/2017  7:39 21:39    4h38m56s   22°50'39"   23°47'21"   0.983    2.43000
 5/15/2017  7:30 21:34    4h59m26s   23°28'08"   21°47'07"   0.985    2.46218
 5/22/2017  7:21 21:28    5h19m58s   23°55'27"   19°46'12"   0.988    2.49235
 5/29/2017  7:14 21:22    5h40m30s   24°12'34"   17°44'36"   0.990    2.52032

                                    Jupiter

Date       Rise  Set     RA         Dec         Elongation   Ill Fr  DIST(AU)

 5/ 1/2017 17:32  5:17   12h59m19s   -4°39'08"  154°34'32"   0.998    4.52666
 5/ 8/2017 17:01  4:48   12h56m43s   -4°24'15"  147°06'46"   0.997    4.57846
 5/15/2017 16:31  4:19   12h54m32s   -4°12'07"  139°46'55"   0.996    4.64223
 5/22/2017 16:02  3:50   12h52m49s   -4°03'03"  132°35'34"   0.995    4.71671
 5/29/2017 15:33  3:21   12h51m36s   -3°57'18"  125°33'23"   0.994    4.80057

                                     Saturn

Date       Rise  Set     RA         Dec         Elongation   Ill Fr  DIST(AU)

 5/ 1/2017 23:04  9:22   17h48m00s  -22°01'59"  133°35'40"   0.999    9.35438
 5/ 8/2017 22:35  8:53   17h46m41s  -22°01'23"  140°40'40"   0.999    9.27492
 5/15/2017 22:06  8:24   17h45m07s  -22°00'45"  147°47'44"   0.999    9.20662
 5/22/2017 21:36  7:54   17h43m19s  -22°00'04"  154°56'42"   1.000    9.15053
 5/29/2017 21:07  7:25   17h41m21s  -21°59'22"  162°06'54"   1.000    9.10767

                                     Uranus

Date       Rise  Set     RA         Dec         Elongation   Ill Fr  DIST(AU)

 5/ 1/2017  5:37 18:25    1h35m02s    9°18'16"   15°25'02"   1.000   20.89964
 5/ 8/2017  5:10 17:59    1h36m29s    9°26'38"   21°48'47"   1.000   20.86287
 5/15/2017  4:44 17:33    1h37m54s    9°34'40"   28°11'58"   1.000   20.81383
 5/22/2017  4:17 17:07    1h39m15s    9°42'20"   34°35'06"   1.000   20.75312
 5/29/2017  3:51 16:41    1h40m31s    9°49'31"   40°58'30"   1.000   20.68142

                                    Neptune

Date       Rise  Set     RA         Dec         Elongation   Ill Fr  DIST(AU)

 5/ 1/2017  3:43 15:12   23h01m16s   -7°12'50"   57°07'36"   1.000   30.48432
 5/ 8/2017  3:15 14:45   23h01m51s   -7°09'28"   63°45'14"   1.000   30.38189
 5/15/2017  2:48 14:18   23h02m22s   -7°06'37"   70°22'48"   1.000   30.27340
 5/22/2017  2:21 13:51   23h02m46s   -7°04'21"   77°00'47"   1.000   30.16024
 5/29/2017  1:54 13:24   23h03m05s   -7°02'41"   83°39'21"   1.000   30.04392

                                     Pluto

Date       Rise  Set     RA         Dec         Elongation   Ill Fr  DIST(AU)

 5/ 1/2017  0:40 10:59   19h23m20s  -21°10'45"  111°27'11"   1.000   32.93776
 5/ 8/2017  0:13 10:31   19h23m08s  -21°11'39"  118°17'01"   1.000   32.83385
 5/15/2017 23:41 10:04   19h22m51s  -21°12'45"  125°06'44"   1.000   32.73670
 5/22/2017 23:13  9:36   19h22m28s  -21°14'03"  131°56'38"   1.000   32.64770
 5/29/2017 22:45  9:08   19h22m01s  -21°15'30"  138°46'44"   1.000   32.56823


                         Planet Apsides Report for 2017

Mercury

   5/ 6/2017  Aphelion     Distance from Sun:   0.47 AU


                               Planet Data Report


Planet       Mean Dist   Period of          Inclination     Equatorial
             From Sun    Revolution                         Diameter
             (AU)                                           (km)

Mercury       0.39        88    days         7°               4880
Venus         0.72       224.7  days         3.4°            12100
Earth         1.00       365.24 days         0°              12756
Mars          1.52       687    days         1.9°             6794
Jupiter       5.20        11.86 years        1.3°           143200
Saturn        9.54        29.46 years        2.5°           120000
Uranus       19.18        84    years        0.8°            52290
Neptune      30.06       165    years        1.8°            50450
Pluto        39.44       248    years       17.2°             2200-2300


                Moon Apsides Report for  5/ 1/2017 to  5/31/2017

Date          Hour    Apsis      Distance (km)    Diameter

 5/12/2017    15      Apogee     406216           0.4903°
 5/25/2017    20      Perigee    357226           0.5575°


                 Moon Nodes Report for  5/ 1/2017 to  5/31/2017

Date          Time     Node          Illuminated Fraction

 5/ 4/2017     5:41    Ascending     0.62
 5/18/2017    20:29    Descending    0.52


               Meteor Showers Report for  5/ 1/2017 to  5/31/2017


Date        Meteor Shower       ZHR  RA      DEC   Illum. Frac.  Longitude

 5/ 5/2017  eta-Aquarids        35   22h20m   -1°  0.77           45°
 5/12/2017  alpha-Scorpiids      5   16h04m  -24°  0.97           52°

Information for this section is from Astronomy Lab 2.03

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Last updated on Monday, May 1, 2017, 11:21 AM.