Monthly Observing Information
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.
Kisatchie Clear Sky Clock
Click on image for more info and details. This clock is for the Kisatchie area only.
July
Moon Calendar
Sky charts
Saturn’s Ring Plane
Venus Phase
Sun and Moon Rise and Set
Date Moonrise Moonset Sunrise Sunset Twilight Twilight ------------ --------- --------- --------- --------- --------- --------- 7/1/2017 13:49 01:14 06:06 20:11 04:29 21:48 7/2/2017 14:42 01:48 06:07 20:11 04:30 21:48 7/3/2017 15:36 02:22 06:07 20:11 04:30 21:48 7/4/2017 16:28 02:57 06:07 20:11 04:31 21:47 7/5/2017 17:20 03:35 06:08 20:11 04:31 21:47 7/6/2017 18:11 04:15 06:08 20:10 04:32 21:47 7/7/2017 19:02 04:59 06:09 20:10 04:33 21:47 7/8/2017 19:50 05:46 06:09 20:10 04:33 21:46 7/9/2017 20:36 06:35 06:10 20:10 04:34 21:46 7/10/2017 21:19 07:28 06:10 20:10 04:35 21:45 7/11/2017 22:00 08:22 06:11 20:09 04:35 21:45 7/12/2017 22:38 09:18 06:11 20:09 04:36 21:44 7/13/2017 23:16 10:14 06:12 20:09 04:37 21:44 7/14/2017 23:52 11:12 06:12 20:08 04:38 21:43 7/15/2017 ------ 12:11 06:13 20:08 04:38 21:43 7/16/2017 00:29 13:11 06:13 20:08 04:39 21:42 7/17/2017 01:08 14:13 06:14 20:07 04:40 21:42 7/18/2017 01:50 15:18 06:15 20:07 04:41 21:41 7/19/2017 02:36 16:23 06:15 20:06 04:42 21:40 7/20/2017 03:27 17:29 06:16 20:06 04:42 21:39 7/21/2017 04:24 18:32 06:16 20:06 04:43 21:39 7/22/2017 05:26 19:32 06:17 20:05 04:44 21:38 7/23/2017 06:30 20:25 06:17 20:04 04:45 21:37 7/24/2017 07:36 21:14 06:18 20:04 04:46 21:36 7/25/2017 08:40 21:57 06:19 20:03 04:47 21:35 7/26/2017 09:43 22:35 06:19 20:03 04:48 21:35 7/27/2017 10:42 23:12 06:20 20:02 04:48 21:34 7/28/2017 11:39 23:47 06:20 20:01 04:49 21:33 7/29/2017 12:34 ------ 06:21 20:01 04:50 21:32 7/30/2017 13:28 00:21 06:22 20:00 04:51 21:31 7/31/2017 14:21 00:57 06:22 19:59 04:52 21:30
Information and images in this section from The Sky6 Professional
Solar System Information
Planet View Info Report for 7/ 1/2017 to 7/31/2017
Mercury
Date Rise Set RA Dec Elongation Ill Fr DIST(AU)
7/ 1/2017 6:57 21:04 7h29m17s 23°44'02" 11°08'42" 0.910 1.27912
7/ 8/2017 7:33 21:23 8h25m24s 21°02'54" 17°38'53" 0.797 1.19670
7/15/2017 8:01 21:30 9h12m08s 17°22'34" 22°31'37" 0.689 1.09767
7/22/2017 8:22 21:29 9h49m58s 13°18'51" 25°45'16" 0.587 0.99335
7/29/2017 8:32 21:19 10h19m08s 9°20'33" 27°10'03" 0.484 0.88885
Venus
Date Rise Set RA Dec Elongation Ill Fr DIST(AU)
7/ 1/2017 3:20 16:48 3h35m51s 16°34'05" 43°48'05" 0.627 0.91887
7/ 8/2017 3:20 16:56 4h07m06s 18°19'33" 42°48'23" 0.656 0.97260
7/15/2017 3:20 17:05 4h39m28s 19°48'19" 41°40'51" 0.683 1.02522
7/22/2017 3:23 17:14 5h12m50s 20°56'28" 40°26'55" 0.709 1.07650
7/29/2017 3:28 17:23 5h47m03s 21°40'36" 39°07'41" 0.734 1.12625
Mars
Date Rise Set RA Dec Elongation Ill Fr DIST(AU)
7/ 1/2017 6:41 20:44 7h15m45s 23°18'55" 8°02'22" 0.998 2.61960
7/ 8/2017 6:35 20:34 7h35m22s 22°40'50" 5°57'11" 0.999 2.63310
7/15/2017 6:29 20:23 7h54m42s 21°54'19" 3°52'38" 1.000 2.64382
7/22/2017 6:23 20:12 8h13m45s 20°59'53" 1°54'40" 1.000 2.65166
7/29/2017 6:17 20:00 8h32m30s 19°58'05" 1°15'43" 1.000 2.65645
Jupiter
Date Rise Set RA Dec Elongation Ill Fr DIST(AU)
7/ 1/2017 13:26 1:13 12h53m08s -4°16'16" 94°30'23" 0.991 5.27588
7/ 8/2017 13:00 0:46 12h54m56s -4°29'28" 88°20'07" 0.991 5.38432
7/15/2017 12:36 0:20 12h57m12s -4°45'29" 82°17'17" 0.991 5.49239
7/22/2017 12:12 23:51 12h59m54s -5°04'06" 76°21'02" 0.992 5.59896
7/29/2017 11:48 23:26 13h03m01s -5°25'05" 70°30'49" 0.992 5.70283
Saturn
Date Rise Set RA Dec Elongation Ill Fr DIST(AU)
7/ 1/2017 18:47 5:05 17h31m07s -21°55'53" 163°52'08" 1.000 9.09801
7/ 8/2017 18:17 4:36 17h29m06s -21°55'18" 156°44'48" 1.000 9.13686
7/15/2017 17:48 4:06 17h27m15s -21°54'52" 149°39'17" 0.999 9.18893
7/22/2017 17:19 3:37 17h25m36s -21°54'36" 142°36'01" 0.999 9.25344
7/29/2017 16:50 3:08 17h24m13s -21°54'35" 135°35'37" 0.999 9.32936
Uranus
Date Rise Set RA Dec Elongation Ill Fr DIST(AU)
7/ 1/2017 1:45 14:37 1h45m10s 10°15'14" 71°17'32" 0.999 20.22668
7/ 8/2017 1:18 14:10 1h45m47s 10°18'38" 77°47'59" 0.999 20.11320
7/15/2017 0:51 13:43 1h46m17s 10°21'14" 84°20'42" 0.999 19.99689
7/22/2017 0:23 13:16 1h46m38s 10°22'59" 90°56'12" 0.999 19.87917
7/29/2017 23:52 12:49 1h46m49s 10°23'54" 97°34'35" 0.999 19.76165
Neptune
Date Rise Set RA Dec Elongation Ill Fr DIST(AU)
7/ 1/2017 23:40 11:14 23h03m15s -7°03'03" 115°09'22" 1.000 29.50194
7/ 8/2017 23:13 10:46 23h03m01s -7°04'49" 121°53'40" 1.000 29.39852
7/15/2017 22:45 10:19 23h02m41s -7°07'08" 128°39'25" 1.000 29.30254
7/22/2017 22:17 9:50 23h02m17s -7°09'56" 135°26'55" 1.000 29.21532
7/29/2017 21:49 9:22 23h01m47s -7°13'11" 142°16'07" 1.000 29.13825
Pluto
Date Rise Set RA Dec Elongation Ill Fr DIST(AU)
7/ 1/2017 20:33 6:54 19h19m03s -21°24'08" 170°59'37" 1.000 32.35381
7/ 8/2017 20:05 6:26 19h18m20s -21°26'10" 177°44'10" 1.000 32.34690
7/15/2017 19:37 5:58 19h17m36s -21°28'14" 175°13'25" 1.000 32.35422
7/22/2017 19:08 5:29 19h16m53s -21°30'17" 168°24'34" 1.000 32.37577
7/29/2017 18:40 5:01 19h16m12s -21°32'18" 161°33'53" 1.000 32.41140
Planet Apsides Report for 2017
Earth
7/ 4/2017 Aphelion Distance from Sun: 1.02 AU
Planet Conjunction/Opposition Report for 7/ 1/2017 to 7/31/2017
Mars
Date Hour Event
7/26/2017 19 Conjunction
Pluto
Date Hour Event
7/10/2017 0 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 7/ 1/2017 to 7/31/2017
Date Hour Apsis Distance (km) Diameter
7/ 5/2017 23 Apogee 405943 0.4906°
7/21/2017 12 Perigee 361245 0.5513°
Moon Nodes Report for 7/ 1/2017 to 7/31/2017
Date Time Node Illuminated Fraction
7/12/2017 0:16 Descending 0.92
7/24/2017 19:46 Ascending 0.03
Meteor Showers Report for 7/ 1/2017 to 7/31/2017
Date Meteor Shower ZHR RA DEC Illum. Frac. Longitude
7/ 7/2017 Capricornids 5 0.98 106°
7/15/2017 Capricornids 5 20h44m -15° 0.61 113°
7/20/2017 alpha-Cygnids 5 21h00m 48° 0.10 118°
7/25/2017 Capricornids 5 21h00m -15° 0.08 123°
7/28/2017 delta-Aquarids 20 22h36m -17° 0.32 126°
7/30/2017 Piscis Australids 5 22h40m -30° 0.52 128°
Twilight Report for 7/ 1/2017 to 7/31/2017
Date Sun Astronomical Nautical Civil
Rise Set Begin End Begin End Begin End
7/ 1/2017 6:06 20:11 4:25 21:52 5:01 21:16 5:35 20:43
7/ 8/2017 6:09 20:10 4:30 21:50 5:05 21:15 5:38 20:42
7/15/2017 6:13 20:08 4:35 21:47 5:09 21:12 5:42 20:39
7/22/2017 6:17 20:05 4:40 21:42 5:14 21:08 5:46 20:36
7/29/2017 6:21 20:01 4:46 21:36 5:20 21:03 5:51 20:31
Information for this section is from Astronomy Lab 2.03
Last updated on Saturday, July 1, 2017, 09:35 AM.