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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

September

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
------------ --------- --------- --------- --------- --------- ---------

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

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


Object       Right ascensio Declination   Azimuth       Altitude      Earth distance  Sun distance    
------------ -------------- ------------- ------------- ------------- --------------- --------------- 
Sun          11h 31m 53.4s  +03° 02' 05"  334° 10' 27"  -53° 34' 37"                0               0 
Mercury      12h 21m 07.9s  -06° 47' 16"  307° 08' 24"  -55° 07' 39"      100,770,234      60,030,304 
Venus        10h 57m 19.8s  +08° 09' 40"  349° 58' 00"  -50° 54' 26"      252,455,143     107,509,082 
Mars         04h 49m 42.9s  +21° 24' 31"   69° 15' 44"  +07° 02' 02"      131,096,620     213,953,590 
Jupiter      00h 21m 44.1s  +00° 35' 49"  133° 41' 11"  +50° 21' 44"      593,973,358     741,363,077 
Saturn       21h 30m 19.2s  -16° 09' 08"  199° 45' 37"  +41° 06' 07"    1,346,432,359   1,475,353,925 
Uranus       03h 05m 30.8s  +17° 02' 14"   85° 13' 12"  +26° 51' 03"    2,858,981,071   2,944,967,205 
Neptune      23h 40m 11.4s  -03° 28' 36"  151° 18' 19"  +52° 21' 05"    4,324,842,064   4,475,200,527 
Pluto        19h 54m 48.3s  -23° 03' 09"  219° 48' 38"  +24° 34' 00"    5,091,620,271   5,176,960,918 
Moon         03h 21m 15.0s  +18° 34' 26"   81° 52' 32"  +24° 09' 08"          392,808               0 

Object       Rise:  Tran  Set: Phase   Constl    Magnitud 
------------ ----- ----- ----- ------- --------- -------- 
Sun          05:49 12:00 18:11   0.00%       Leo  unknown 
Mercury      07:07 12:52 18:37  13.32%       Vir      2.0 
Venus        05:02 11:25 17:48  98.50%       Leo     -3.9 
Mars         22:22 05:19 12:15  85.94%       Tau     -0.3 
Jupiter      18:47 00:54 06:57  99.95%       Psc     -2.9 
Saturn       16:36 21:59 03:25  99.92%       Cap      0.4 
Uranus       20:50 03:37 10:20  99.95%       Ari      5.7 
Neptune      18:15 00:08 06:06 100.00%       Aqr      7.8 
Pluto        15:18 20:22 01:30  99.99%       Sgr     14.4 
Moon         20:57 03:08 10:00  75.30%       Ari  unknown 

Moon Data
---------
Distance (km):                392,808.4
Distance (miles):             244,080.4
True Equatorial:              03h 17m 58.5s +18° 56' 10" 
Angular diameter:               0° 30' 38" 
Total libration (l,b):          5° 46' 11"  ,  0° 50' 24" 
Optical libration:              5° 44' 39"  ,  0° 49' 56" 
Physical libration:             0° 01' 32"  ,  0° 00' 29" 
Position Angle:                13° 26' 07" 
Pos. angle (bright limb):      59° 36' 23" 
Phase angle:                   13° 26' 07" 
Age:                          18.83

Mars Data
---------
Declination of earth:           3° 19' 32" 
Declination of Sun:            20° 35' 32" 
Longitude of the central Meridian:287° 53' 21" 
Pos. Angle:                   326° 43' 44" 

Jupiter Data
-----------------
Declination of earth:           2° 37' 17" 
Declination of Sun:             2° 12' 40" 
Longitude of the central Meridian:109° 00' 55" 
Pos. Angle:                   334° 40' 58" 

Saturn Data
---------
Declination of earth:          14° 50' 50" 
Declination of Sun:            13° 23' 59" 
Longitude of the central Meridian:  0° 00' 00" 
Pos. Angle:                     6° 29' 34" 


Name                          Month/Day    RA         Decl       Hourly Rate
----------------------------- ------------ ---------- ---------- -----------
Aurigids                           09/01         5.7       42.0        30
Northern Tau Aquarids              09/20        21.8       -6.0        15
Southern Piscids                   09/20         0.4        0.0        10
Kappa Aquarids                     09/21        22.5       -5.0         5
Daytime Sextantids                 09/29        10.1        0.0        30

Information for this section is from TheSkyX Student Edition

              Planet View Info Report for  9/ 1/2022 to  9/30/2022

                                    Mercury

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

 9/ 1/2022  8:47 20:28   12h14m44s   -4°46'11"   26°51'36"   0.459    0.86334
 9/ 8/2022  8:35 20:05   12h25m51s   -6°57'41"   23°38'29"   0.313    0.76045
 9/15/2022  8:00 19:31   12h21m30s   -6°50'00"   16°01'43"   0.138    0.67551
 9/22/2022  7:03 18:51   12h00m50s   -3°34'27"    4°08'32"   0.010    0.64602
 9/29/2022  6:06 18:15   11h40m37s    0°58'57"   10°43'30"   0.090    0.71714

                                     Venus

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

 9/ 1/2022  5:38 18:51    9h50m05s   14°16'34"   13°44'53"   0.971    1.65770
 9/ 8/2022  5:51 18:50   10h23m34s   11°23'45"   11°54'03"   0.979    1.67372
 9/15/2022  6:04 18:47   10h56m24s    8°15'23"   10°03'22"   0.985    1.68720
 9/22/2022  6:17 18:44   11h28m45s    4°55'27"    8°13'12"   0.990    1.69814
 9/29/2022  6:29 18:40   12h00m48s    1°28'06"    6°23'54"   0.994    1.70653

                                      Mars

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

 9/ 1/2022 23:49 13:35    4h19m46s   20°06'59"   92°00'18"   0.851    0.95872
 9/ 8/2022 23:35 13:25    4h35m01s   20°48'29"   95°08'59"   0.854    0.91827
 9/15/2022 23:20 13:13    4h49m18s   21°23'46"   98°34'32"   0.859    0.87753
 9/22/2022 23:03 13:00    5h02m23s   21°53'38"  102°19'49"   0.866    0.83658
 9/29/2022 22:46 12:45    5h14m01s   22°19'03"  106°28'07"   0.874    0.79571

                                    Jupiter

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

 9/ 1/2022 20:42  8:55    0h27m33s    1°15'45"  151°42'29"   0.998    4.04437
 9/ 8/2022 20:12  8:24    0h24m45s    0°56'24"  159°14'32"   0.999    4.00063
 9/15/2022 19:42  7:52    0h21m38s    0°35'16"  166°51'50"   0.999    3.97042
 9/22/2022 19:12  7:20    0h18m17s    0°13'05"  174°27'55"   1.000    3.95446
 9/29/2022 18:42  6:49    0h14m51s   -0°09'22"  177°01'06"   1.000    3.95328

                                     Saturn

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

 9/ 1/2022 18:30  5:21   21h34m11s  -15°50'33"  162°05'36"   1.000    8.91997
 9/ 8/2022 18:01  4:51   21h32m21s  -15°59'37"  154°51'38"   1.000    8.96224
 9/15/2022 17:32  4:22   21h30m41s  -16°07'42"  147°38'36"   0.999    9.01774
 9/22/2022 17:04  3:52   21h29m13s  -16°14'37"  140°26'56"   0.999    9.08560
 9/29/2022 16:35  3:23   21h28m01s  -16°20'13"  133°17'14"   0.999    9.16478

                                     Uranus

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

 9/ 1/2022 22:41 12:12    3h06m10s   17°05'10"  109°40'32"   0.999   19.32704
 9/ 8/2022 22:14 11:44    3h05m55s   17°04'04"  116°31'17"   0.999   19.21823
 9/15/2022 21:46 11:16    3h05m30s   17°02'20"  123°25'40"   1.000   19.11581
 9/22/2022 21:18 10:48    3h04m57s   17°00'00"  130°23'57"   1.000   19.02126
 9/29/2022 20:50 10:20    3h04m15s   16°57'05"  137°26'02"   1.000   18.93613

                                    Neptune

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

 9/ 1/2022 20:07  7:58   23h41m38s   -3°19'06"  164°03'24"   1.000   28.94350
 9/ 8/2022 19:39  7:30   23h40m57s   -3°23'39"  170°59'21"   1.000   28.91958
 9/15/2022 19:11  7:02   23h40m14s   -3°28'18"  177°42'46"   1.000   28.91000
 9/22/2022 18:43  6:33   23h39m32s   -3°32'56"  174°45'44"   1.000   28.91499
 9/29/2022 18:15  6:05   23h38m50s   -3°37'28"  167°47'43"   1.000   28.93465

                                     Pluto

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

 9/ 1/2022 17:11  3:24   19h55m38s  -23°00'27"  137°49'29"   1.000   33.84165
 9/ 8/2022 16:43  2:55   19h55m11s  -23°01'57"  130°56'52"   1.000   33.93227
 9/15/2022 16:15  2:28   19h54m49s  -23°03'12"  124°03'57"   1.000   34.03225
 9/22/2022 15:48  2:00   19h54m33s  -23°04'11"  117°10'31"   1.000   34.14032
 9/29/2022 15:20  1:32   19h54m21s  -23°04'53"  110°16'37"   1.000   34.25504


                         Planet Apsides Report for 2022

Venus
   9/ 4/2022  Perihelion   Distance from Sun:   0.72 AU


       Planet Conjunction/Opposition Report for  9/ 1/2022 to  9/30/2022

Mercury

  Date        Hour   Event

   9/23/2022   1     Inferior Conjunction               

Jupiter

  Date        Hour   Event

   9/26/2022  18     Opposition                         

Neptune

  Date        Hour   Event

   9/16/2022  18     Opposition                         


                               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  9/ 1/2022 to  9/30/2022

Date          Hour    Apsis      Distance (km)    Diameter

 9/ 7/2022    13      Perigee    364494           0.5464°
 9/19/2022    10      Apogee     404551           0.4923°


                 Moon Nodes Report for  9/ 1/2022 to  9/30/2022

Date          Time     Node          Illuminated Fraction

 9/ 1/2022    16:11    Descending    0.28
 9/14/2022     9:48    Ascending     0.82
 9/28/2022    18:42    Descending    0.09


               Meteor Showers Report for  9/ 1/2022 to  9/30/2022

Date        Meteor Shower       ZHR  RA      DEC   Illum. Frac.  Longitude

 9/ 8/2022  Piscids             10    0h36m    7°  0.96          166°
 9/20/2022  Piscids              5    0h24m    0°  0.24          178°


                  Twilight Report for  9/ 1/2022 to  9/30/2022

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

 9/ 1/2022    6:41  19:27    5:15  20:54    5:44  20:25    6:13  19:56
 9/ 8/2022    6:45  19:19    5:20  20:44    5:49  20:15    6:17  19:47
 9/15/2022    6:49  19:10    5:25  20:35    5:53  20:06    6:21  19:38
 9/22/2022    6:53  19:01    5:29  20:25    5:57  19:57    6:25  19:29
 9/29/2022    6:57  18:52    5:34  20:16    6:02  19:48    6:29  19:20

Information for this section is from Astronomy Lab 2.03


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