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Monthly 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 Astronomy Lab 2 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.

NOTE: If you print this page out using your browser, be sure it is set to print black text or the background, or the white text will not print at all.

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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

Telescope line

May

Moon Calendar

Moon Calendar

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
                                                      Begin     End
  Date       Moonrise   Moonset   Sunrise   Sunset   Twilight  Twilight
------------ --------- --------- --------- --------- --------- ---------

5/1/2022         06:51     20:44     06:21     19:43     04:54     21:11
5/2/2022         07:26     21:42     06:20     19:44     04:53     21:12
5/3/2022         08:04     22:38     06:19     19:45     04:51     21:13
5/4/2022         08:48     23:33     06:18     19:45     04:50     21:14
5/5/2022         09:36    ------     06:17     19:46     04:49     21:15
5/6/2022         10:29     00:23     06:17     19:46     04:48     21:15
5/7/2022         11:25     01:10     06:16     19:47     04:47     21:16
5/8/2022         12:22     01:51     06:15     19:48     04:46     21:17
5/9/2022         13:20     02:27     06:14     19:48     04:45     21:18
5/10/2022        14:18     03:01     06:14     19:49     04:44     21:19
5/11/2022        15:18     03:33     06:13     19:50     04:43     21:20
5/12/2022        16:19     04:03     06:12     19:50     04:42     21:21
5/13/2022        17:22     04:33     06:12     19:51     04:41     21:22
5/14/2022        18:28     05:07     06:11     19:52     04:40     21:23
5/15/2022        19:39     05:43     06:10     19:52     04:39     21:24
5/16/2022        20:52     06:25     06:10     19:53     04:38     21:25
5/17/2022        22:04     07:15     06:09     19:54     04:37     21:26
5/18/2022        23:13     08:13     06:08     19:54     04:36     21:27
5/19/2022       ------     09:19     06:08     19:55     04:36     21:28
5/20/2022        00:13     10:28     06:07     19:55     04:35     21:28
5/21/2022        01:04     11:38     06:07     19:56     04:34     21:29
5/22/2022        01:46     12:44     06:06     19:57     04:33     21:30
5/23/2022        02:22     13:47     06:06     19:57     04:33     21:31
5/24/2022        02:54     14:47     06:06     19:58     04:32     21:32
5/25/2022        03:24     15:46     06:05     19:58     04:31     21:33
5/26/2022        03:53     16:42     06:05     19:59     04:31     21:34
5/27/2022        04:21     17:40     06:04     20:00     04:30     21:34
5/28/2022        04:52     18:36     06:04     20:00     04:29     21:35
5/29/2022        05:26     19:34     06:04     20:01     04:29     21:36
5/30/2022        06:02     20:31     06:04     20:01     04:28     21:37
5/31/2022        06:44     21:27     06:03     20:02     04:28     21:37

'------' means the event does not occur on this date.


Object       Right ascensio Declination   Azimuth       Altitude      Earth distance  Sun distance    
------------ -------------- ------------- ------------- ------------- --------------- --------------- 
Sun          03h 27m 59.8s  +18° 51' 34"  341° 24' 46"  -38° 32' 50"                0               0 
Mercury      04h 07m 27.9s  +21° 34' 38"  332° 01' 13"  -32° 38' 20"       87,586,239      66,495,261 
Venus        00h 55m 49.2s  +03° 59' 36"   36° 16' 10"  -49° 15' 31"      164,997,515     108,939,476 
Mars         23h 35m 47.1s  -04° 24' 53"   65° 47' 14"  -42° 03' 27"      231,719,343     208,127,082 
Jupiter      00h 04m 44.7s  -00° 41' 46"   55° 20' 18"  -45° 02' 22"      823,143,806     743,355,397 
Saturn       21h 50m 13.1s  -14° 13' 18"   92° 20' 43"  -24° 56' 19"    1,473,297,375   1,479,636,225 
Uranus       02h 52m 02.1s  +16° 05' 54"  351° 43' 30"  -43° 03' 37"    3,096,885,098   2,947,638,471 
Neptune      23h 43m 11.5s  -03° 04' 06"   62° 47' 57"  -42° 39' 02"    4,550,559,017   4,475,592,793 
Pluto        20h 04m 23.6s  -22° 24' 34"  112° 09' 11"  -06° 36' 24"    5,097,040,112   5,164,678,468 
Moon         14h 36m 06.5s  -14° 51' 39"  176° 52' 21"  +44° 38' 06"          365,255               0 

Object       Rise:  Tran  Set: Phase   Constl    Magnitud 
------------ ----- ----- ----- ------- --------- -------- 
Sun          05:11 12:01 18:52   0.00%       Tau  unknown 
Mercury      05:47 12:43 19:38   3.77%       Tau      3.7 
Venus        03:17 09:29 15:41  72.57%       Psc     -4.0 
Mars         02:18 08:10 14:01  88.44%       Aqr      0.8 
Jupiter      02:40 08:40 14:40  99.33%       Psc     -2.2 
Saturn       00:58 06:26 11:54  99.74%       Cap      0.8 
Uranus       04:46 11:27 18:08 100.00%       Ari      5.9 
Neptune      02:24 08:19 14:13  99.98%       Psc      7.9 
Pluto        23:29 04:39 09:45  99.98%       Sgr     14.4 
Moon         17:26 23:08 04:06  98.66%       Lib  unknown 

Moon Data
---------
Distance (km):                365,254.6
Distance (miles):             226,959.3
True Equatorial:              14h 35m 54.8s -14° 08' 51" 
Angular diameter:               0° 33' 07" 
Total libration (l,b):          4° 32' 57"  ,  1° 21' 22" 
Optical libration:              4° 31' 44"  ,  1° 21' 26" 
Physical libration:             0° 01' 12"  ,  0° 00' 04" 
Position Angle:                16° 31' 20" 
Pos. angle (bright limb):      13° 19' 01" 
Phase angle:                   16° 31' 20" 
Age:                          14.35

Mars Data
---------
Declination of earth:          25° 04' 07" 
Declination of Sun:            18° 19' 17" 
Longitude of the central Meridian: 48° 21' 53" 
Pos. Angle:                   336° 55' 25" 

Jupiter Data
-----------------
Declination of earth:           1° 58' 02" 
Declination of Sun:             1° 44' 21" 
Longitude of the central Meridian:123° 55' 43" 
Pos. Angle:                   334° 30' 39" 

Saturn Data
---------
Declination of earth:          12° 23' 24" 
Declination of Sun:            14° 53' 49" 
Longitude of the central Meridian:  0° 00' 00" 
Pos. Angle:                     6° 17' 40" 


Name                          Month/Day    RA         Decl       Hourly Rate
----------------------------- ------------ ---------- ---------- -----------
Phi Bootids                        05/01        16.0       51.0         6
Alpha Scorpiids                    05/03        16.0      -22.0         6
Eta Aquarids                       05/03        22.4       -1.9        60

Information for this section is from TheSkyX Student Edition

                         Lunar Eclipse Report for 2022

Lunar eclipse on  5/15/2022
Moon rise: 19:39
Moon set:   5:43
Magnitude:  1.41
Partial phase begins:    21:28
Total phase begins:      22:29
Time of maximum eclipse: 23:11
Total phase ends:        23:53
Partial phase ends:       0:54


              Planet View Info Report for  5/ 1/2022 to  5/31/2022

                                    Mercury

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

 5/ 1/2022  7:21 21:22    3h52m44s   22°59'49"   20°29'17"   0.329    0.81516
 5/ 8/2022  7:08 21:08    4h08m47s   23°10'33"   17°18'55"   0.156    0.67880
 5/15/2022  6:43 20:32    4h07m41s   21°38'45"    9°54'49"   0.040    0.58738
 5/22/2022  6:09 19:43    3h54m54s   19°00'25"    1°20'01"   0.001    0.55068
 5/29/2022  5:36 18:58    3h42m04s   16°32'19"   10°58'54"   0.045    0.57022

                                     Venus

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

 5/ 1/2022  4:26 16:23   23h55m06s   -1°57'18"   42°32'07"   0.676    0.99900
 5/ 8/2022  4:21 16:32    0h24m55s    0°56'52"   41°20'15"   0.701    1.05075
 5/15/2022  4:17 16:42    0h54m56s    3°54'29"   40°02'44"   0.725    1.10148
 5/22/2022  4:13 16:52    1h25m19s    6°51'56"   38°40'13"   0.748    1.15107
 5/29/2022  4:09 17:02    1h56m13s    9°45'26"   37°13'29"   0.769    1.19930

                                      Mars

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

 5/ 1/2022  3:42 15:07   22h55m58s   -8°28'27"   58°37'40"   0.894    1.62900
 5/ 8/2022  3:29 15:04   23h15m42s   -6°29'25"   60°08'13"   0.889    1.58926
 5/15/2022  3:16 15:01   23h35m13s   -4°28'21"   61°38'12"   0.885    1.55012
 5/22/2022  3:03 14:57   23h54m35s   -2°26'12"   63°08'05"   0.880    1.51154
 5/29/2022  2:50 14:54    0h13m47s   -0°24'01"   64°38'37"   0.875    1.47338

                                    Jupiter

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

 5/ 1/2022  4:24 16:19   23h54m11s   -1°47'45"   42°40'35"   0.995    5.66451
 5/ 8/2022  4:00 15:58   23h59m27s   -1°14'46"   48°02'14"   0.994    5.58771
 5/15/2022  3:36 15:37    0h04m28s   -0°43'31"   53°26'26"   0.993    5.50415
 5/22/2022  3:12 15:15    0h09m12s   -0°14'10"   58°53'56"   0.992    5.41454
 5/29/2022  2:48 14:53    0h13m38s    0°13'03"   64°25'36"   0.991    5.31953

                                     Saturn

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

 5/ 1/2022  2:48 13:42   21h47m53s  -14°22'55"   76°18'14"   0.998   10.10330
 5/ 8/2022  2:21 13:16   21h49m17s  -14°17'03"   82°44'30"   0.997    9.98848
 5/15/2022  1:55 12:50   21h50m23s  -14°12'40"   89°13'38"   0.997    9.87208
 5/22/2022  1:28 12:23   21h51m11s  -14°09'51"   95°46'06"   0.997    9.75553
 5/29/2022  1:01 11:56   21h51m41s  -14°08'38"  102°22'23"   0.997    9.64026

                                     Uranus

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

 5/ 1/2022  6:35 19:55    2h48m45s   15°51'27"    3°56'32"   1.000   20.71258
 5/ 8/2022  6:09 19:30    2h50m22s   15°58'38"    2°28'59"   1.000   20.71479
 5/15/2022  5:42 19:04    2h51m58s   16°05'43"    8°49'24"   1.000   20.70378
 5/22/2022  5:16 18:38    2h53m33s   16°12'40"   15°09'50"   1.000   20.67979
 5/29/2022  4:50 18:13    2h55m06s   16°19'24"   21°30'00"   1.000   20.64309

                                    Neptune

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

 5/ 1/2022  4:14 16:03   23h41m52s   -3°12'09"   46°03'36"   1.000   30.60823
 5/ 8/2022  3:47 15:36   23h42m34s   -3°07'51"   52°39'19"   1.000   30.51920
 5/15/2022  3:20 15:09   23h43m12s   -3°04'03"   59°14'43"   1.000   30.42189
 5/22/2022  2:53 14:42   23h43m45s   -3°00'47"   65°50'12"   1.000   30.31758
 5/29/2022  2:26 14:15   23h44m13s   -2°58'05"   72°26'12"   1.000   30.20758

                                     Pluto

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

 5/ 1/2022  1:26 11:38   20h04m36s  -22°21'56"  102°01'01"   1.000   34.29042
 5/ 8/2022  0:58 11:10   20h04m33s  -22°23'08"  108°48'58"   1.000   34.18020
 5/15/2022  0:31 10:43   20h04m24s  -22°24'36"  115°36'43"   1.000   34.07464
 5/22/2022  0:03 10:15   20h04m10s  -22°26'19"  122°24'28"   1.000   33.97519
 5/29/2022 23:31  9:47   20h03m50s  -22°28'16"  129°12'30"   1.000   33.88331


                         Planet Apsides Report for 2022

Mercury
   5/27/2022  Aphelion     Distance from Sun:   0.47 AU

Venus
   5/15/2022  Aphelion     Distance from Sun:   0.73 AU

  
       Planet Conjunction/Opposition Report for  5/ 1/2022 to  5/31/2022

Mercury

  Date        Hour   Event

   5/21/2022  18     Inferior Conjunction               

Uranus

  Date        Hour   Event

   5/ 5/2022   1     Conjunction                        


                               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/ 1/2022 to  5/31/2022

Date          Hour    Apsis      Distance (km)    Diameter

 5/ 5/2022     8      Apogee     405302           0.4914°
 5/17/2022    10      Perigee    360302           0.5527°


                 Moon Nodes Report for  5/ 1/2022 to  5/31/2022

Date          Time     Node          Illuminated Fraction

 5/ 1/2022    14:52    Ascending     0.01
 5/15/2022    18:43    Descending    1.00
 5/28/2022    21:32    Ascending     0.02


               Meteor Showers Report for  5/ 1/2022 to  5/31/2022

Date        Meteor Shower       ZHR  RA      DEC   Illum. Frac.  Longitude

 5/ 5/2022  eta-Aquarids        35   22h20m   -1°  0.21           45°
 5/12/2022  alpha-Scorpiids      5   16h04m  -24°  0.85           52°


                  Twilight Report for  5/ 1/2022 to  5/31/2022

Date         Sun            Astronomical   Nautical       Civil
             Rise   Set     Begin  End     Begin  End     Begin  End

 5/ 1/2022    6:21  19:43    4:50  21:14    5:21  20:43    5:52  20:12
 5/ 8/2022    6:15  19:48    4:42  21:21    5:14  20:48    5:45  20:18
 5/15/2022    6:10  19:52    4:35  21:27    5:08  20:54    5:40  20:23
 5/22/2022    6:07  19:57    4:30  21:34    5:04  21:00    5:36  20:27
 5/29/2022    6:04  20:01    4:25  21:40    5:00  21:05    5:33  20:32

Information for this section is from Astronomy Lab 2.03


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