Archive
07/11/2018 – Ephemeris – The bright planets for this week
Ephemeris for Wednesday, July 11th. Today the Sun will be up for 15 hours and 20 minutes, setting at 9:28, and it will rise tomorrow at 6:08. The Moon, 1 day before new, will rise at 5:36 tomorrow morning.
It’s Wednesday and time to look for and at the bright planets. Four of them are in the evening sky. The brilliant beacon of Venus will be visible in the western twilight from about 9:50 p.m. until it sets at 11:33 p.m. Mercury, reaching its greatest separation from the Sun just after midnight, is far below and right of it, setting at 10:44 p.m. Jupiter will be in the south as it gets dark. Jupiter is only outshone by Venus and the Moon, though Mars will outshine it later this month at its closest. Jupiter will set at 2:09 a.m. Saturn will start the evening low in the southeast will stay relatively low, above the Teapot of Sagittarius and will set at 5:10 a.m.. Mars will rise at 10:46 p.m. and is now outshining Saturn.
The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.
Addendum

The evening planets except Mercury at 10:30 p.m. July 11, 2018. Click on the image to enlarge. Created using Stellarium.
07/04/2018 – Ephemeris – The bright planets for the week of Independence Day
Ephemeris for Independence Day, Wednesday, July 4th. Today the Sun will be up for 15 hours and 28 minutes, setting at 9:31, and it will rise tomorrow at 6:03. The Moon, 2 days before last quarter, will rise at 1:13 tomorrow morning.
It’s Wednesday again and time to look for and at the bright planets. Four of them are in the evening sky. The brilliant beacon of Venus will be visible in the western twilight from about 9:50 p.m. until it sets at 11:42 p.m. Mercury is far below and right of it, setting at 10:57 p.m. Jupiter will be in the south as it gets dark. Jupiter is only outshone by Venus and the Moon, though Mars will outshine it next month at its closest. Jupiter will set at 2:37 a.m. Binoculars will show it to be bigger than star-like in size. Saturn will start the evening low in the southeast will stay relatively low, above the Teapot of Sagittarius and will set at 5:39 a.m.. Mars will rise at 11:17 p.m. and is now outshining Saturn.
The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.
Addendum

All the evening planets for July 4, 2018 at 10:30 p.m. Click on the image to enlarge. Created using Stellarium.

Telescopic appearance of Venus on July, 4, 2018. A moon filter helps cut down the glare to be able to more easily see the phase. Created using Stellarium.

Telescopic views of Jupiter and Saturn at 10:30 p.m. on July 4, and Mars at 12 midnight on July 5, 2018 at the same magnification. Created using Cartes du Ciel (Sky Charts).
Europa’s transit of the face of Jupiter starts at 1:55 a.m. July 5th. The Great Red Spot will cross the central meridian of Jupiter at 11:19 p.m.
06/27/2018 – Ephemeris – Our Wednesday look at the bright planets
Wednesday, June 27th. Today the Sun will be up for 15 hours and 33 minutes, setting at 9:32, and it will rise tomorrow at 5:59. The Moon, 1 day before full, will set at 6:27 tomorrow morning.
It’s Wednesday again and time to look for and at the bright planets. Three of them are in the evening sky. The brilliant beacon of Venus will be visible in the western twilight from about 9:50 p.m. until it sets at 11:53 p.m. Mercury is far below and right of it, setting at 10:59 p.m. Jupiter will be in the south as it gets dark. Jupiter is only outshone by Venus and the Moon, though Mars will outshine it next month at its closest. Jupiter will set at 3:05 a.m. Binoculars will show it to be bigger than star-like in size. Saturn which is opposite the Sun in the sky today will rise as the Sun sets. It’s right below the Moon tonight. Mars will rise at 11:39 p.m. and is now outshining Saturn.
The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.
Addendum

Venus and Mercury low in the western sky ay 10 p.m. June 27, 2018. Click on image to enlarge. Created using Stellarium.

Telescopic appearance of Venus on June 27, 2018. A moon filter helps cut down the glare to be able to more easily see the phase. Created using Stellarium.

Jupiter, Saturn and the Moon tonight at 10:30 p.m. on June 27, 2018. Click on the image to enlarge. Created using Stellarium.

The Moon and Saturn as they might appear in binoculars at 10:30 p.m. June 27, 2018. Created using Stellarium.

Jupiter and Saturn with the same magnification at 10:30 p.m. June 27, 2018. Information on Europa events and the Great Red Spot is below. Created using Cartes du Ciel (Sky Charts).
Moon Event Universal Time Local Time Europa Transit start 28 Jun 2018 3:30 27 Jun 2018 11:30 p.m. Europa Shadow start 28 Jun 2018 5:34 28 Jun 2018 1:34 a.m. Europa Transit end 28 Jun 2018 5:44 28 Jun 2018 1:44 a.m. Europa Shadow end 28 Jun 2018 7:49 28 Jun 2018 3:49 a.m. Great Red Spot Transit 28 Jun 2018 2:32 27 Jun 2018 10:32 p.m.
Source of Jovian events: https://www.projectpluto.com/jevent.htm

Mars, Saturn and the Moon at 5 a.m. June 28, 2018. Click on the image to enlarge. Created using Stellarium.

Greatly enlarged telescopic Mars at 5 a.m. June 28, 2018. Note that the dark albedo features may be covered by a global dust storm currently raging on the Red Planet. Created using Cartes du Ciel (Sky Charts).

Planets and the Moon at sunset and sunrise of a single night starting with sunset on the right on June 27, 2018. The night ends on the left with sunrise on the 28th. Click on the image to enlarge. Created using my LookingUp program.
06/20/2018 – Ephemeris – Let’s check out the bright planets for this week
Ephemeris for Wednesday, June 20th. Today the Sun will be up for 15 hours and 34 minutes, setting at 9:31, and it will rise tomorrow at 5:57. The Moon, at first quarter today, will set at 2:29 tomorrow morning.
It’s Wednesday again and time to look for and at the bright planets. Three of them are in the evening sky. The brilliant beacon of Venus will be visible in the western twilight from about 9:50 p.m. until it sets at 11:59 p.m. Mercury is far below and right of it, setting at 10:48 p.m. Jupiter will be in the south as it gets dark. Jupiter is only outshone by Venus and the Moon. And after Venus sets will have the night to itself as the brightest star-like object until it sets at 3:34 a.m. Binoculars will show it to be bigger than star-like in size. Saturn will rise at 9:46 p.m. in the east-southeast. Mars will rise at 12:07 a.m. and is now outshining Saturn, and in July and August will even outshine Jupiter.
The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.
Addendum

Venus and Mercury at 10 p.m., about a half hour after sunset, June 20, 2018. Created using Stellarium.

Venus, the Moon and Jupiter at 10:30 p.m., about an hour after sunset, on June 20, 2018. Created using Stellarium.

Jupiter and moons at 10:30 p.m. June 20, 2018. The image shows Europa in transit of Jupiter. A satellite is normally invisible against the face of Jupiter, but its shadow can be seen falling on the planet. Created using Cartes du Ciel (Sky Charts).
Satellite Event Local Date/Time Universal Date/Time Europa: Transit start 20 Jun 2018 9:06 pm 21 Jun 2018 1:06 Europa: Shadow start 20 Jun 2018 10:57 pm 21 Jun 2018 2:57 Europa: Transit end 20 Jun 2018 11:20 pm 21 Jun 2018 3:20 Europa: Shadow end 21 Jun 2018 1:12 am 21 Jun 2018 5:12
Source of satellite events: https://www.projectpluto.com/jevent.htm

Saturn and Mars with the same magnification with an inset of Mars at higher magnification at 5 a.m. June 21, 2018. Created using Cartes du Ciel (Sky Charts).
Note on the inset image. The south polar cap is probably larger than shown. Also with the dust storm in progress the dark features may be obscured. The dust storm clouds appear brighter than the normal surface of the planet.

Planets and the Moon at sunset and sunrise of a single night starting with sunset on the right on June 20, 2018. The night ends on the left with sunrise on the 21st. Click on the image to enlarge. Created using my LookingUp program.
06/13/2018 -Ephemeris – Time to check out the bright planets
Ephemeris for Wednesday, June 13th. Today the Sun will be up for 15 hours and 32 minutes, setting at 9:29, and it will rise tomorrow at 5:56. The Moon is new today, and won’t be visible.
It’s Wednesday again and time to look for and at the bright planets. Two of them are visible in the evening sky. The brilliant beacon of Venus will be visible in the western twilight from about 9:50 p.m. until it sets at 11:59 p.m. Jupiter will be in the south-southeast as it gets dark. Jupiter is only outshone by Venus and the Moon. And after Venus sets will have the night to itself as the brightest star-like object until it sets at 4:03 a.m. Binoculars will show it to be bigger than star-like in size flanked by several little star-like moons to either side. Saturn will rise at 10:16 p.m. in the east-southeast. Mars will rise at 12:29 a.m. and is now outshining Saturn, and in July and August will even outshine Jupiter.
The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.
Addendum
06/06/2018 – Ephemeris – Our weekly look at the bright planets
Ephemeris for Wednesday, June 6th. Today the Sun will be up for 15 hours and 27 minutes, setting at 9:25, and it will rise tomorrow at 5:57. The Moon, at last quarter today, will rise at 2:43 tomorrow morning.
It’s Wednesday again and time to look for and at the bright planets. Two of them are visible in the evening sky. The brilliant beacon of Venus will be visible in the western twilight from about 9:45 p.m. until it sets at 12:07 a.m. Jupiter will be in the south-southeast as it gets dark. Jupiter is only outshone by Venus and the Moon. And after Venus sets will have the night to itself as the brightest star-like object until it sets at 4:32 a.m. Binoculars will show it to be bigger than star-like in size flanked by little star-like moons. Saturn will rise at 10:45 p.m. in the east-southeast. Mars will rise at 12:50 a.m. and is now outshining Saturn, and will, in July and August even outshine Jupiter.
The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.
Addendum

Morning planets and the Moon at 4:30 a.m. June 7, 2018. Click on image to enlarge. Created using Stellarium.
05/30/2018 – Ephemeris – Its Wednesday, time to locate the bright planets
Ephemeris for Wednesday, May 30th. Today the Sun will be up for 15 hours and 18 minutes, setting at 9:19, and it will rise tomorrow at 6:00. The Moon, 1 day past full, will rise at 10:18 this evening.
It’s Wednesday again and time to look for the bright planets. Two of them are in the evening sky. The brilliant beacon of Venus will be visible in the western twilight from about 9:40 p.m. until it sets at 12:04 a.m. Jupiter will be in the southeast as it gets dark. Jupiter is only outshone by Venus and the Moon. And after Venus sets will have the night to itself as the brightest star-like object until it sets at 5:02 a.m. Binoculars will show it to be bigger than star-like in size, that is it will appear as a tiny orb flanked by little star-like moons. Saturn will rise at 11:14 p.m. in the east-southeast. Mars will rise at 1:28 a.m. and is now outshining Saturn, and will, this summer even outshine Jupiter.
The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.
Addendum

Venus and Jupiter tonight May 30 2018. at 10 p.m. Click on image to enlarge. Created using Stellarium.
Io is in front of the planet. Its transit will begin at 10:37 p.m. EDT (2:37 UT May 31)
Io’s shadow will start to cross Jupiter at 11:07 p.m. EDT (3:07 UT May 31)
Io’s transit og Jupiter will end at 12:45 a.m. May 31 (4:45 UT)
Io’s Shadow will leave the face of Jupiter at 1:16 a.m. May 31 (5:16 UT)
Times above from https://www.projectpluto.com/jevent.htm

Saturn and Mars with the same magnification with an inset of Mars at higher magnification at 5 a.m. May 31, 2018. Created using Cartes du Ciel (Sky Charts).

Planets and the Moon at sunset and sunrise of a single night starting with sunset on the right on May 30, 2018. The night ends on the left with sunrise on the 31st. Click on the image to enlarge. Created using my LookingUp program.
05/23/2018 – Ephemeris – Wednesday is bright planet day on Ephemeris
Ephemeris for Wednesday, May 23rd. Today the Sun will be up for 15 hours and 6 minutes, setting at 9:13, and it will rise tomorrow at 6:05. The Moon, 2 days past first quarter, will set at 3:56 tomorrow morning.
It’s Wednesday again and time to look for the bright planets. Two of them are in the evening sky. The brilliant beacon of Venus will be visible in the western twilight from about 9:35 p.m. until it sets at 11:54. Jupiter will be in the southeast as it gets dark. Jupiter is only out shown by Venus and the Moon. And after Venus sets will have the night to itself as the brightest star-like object until it sets at 5:31 a.m. Binoculars will show it to be not quite star-like in size, that is it will appear as a tiny orb flanked by little star-like moons. Saturn will rise at 11:43 p.m. in the east-southeast. Mars will rise at 1:28 a.m. and is now outshining Saturn, and will, this summer even outshine Jupiter.
The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.
Addendum

Panorama of the Moon and planets Venus and Jupiter at 10 p.m. May 23, 2018. Click on image to enlarge. Created using Stellarium.

The Moon as it might appear in a small telescope or binoculars tonight May 23, 2018 at 10 p.m. Created using Stellarium.

Jupiter and its 4 Galilean moons at 10 p.m. EDT May 23, 2018 (2:00 UT, May 24, 2018) Io is transiting the face of Jupiter at that time. Io transit begins at 8:52 p.m. EDT ():52 UT, Shadow start 9:13 p.m. EDT 1:13 UT, Transit ends 11:00 p.m. EDT, 3:00 UT, Shadow ends at 11:22 p.m. EDT, 3:22 UT. Io actually will be practically invisible during its transit, but its shadow may be spotted in small telescopes. Created using Stellarium.
05/16/2018 – Ephemeris – Let’s check out the whereabouts of the bright planets
Ephemeris for Wednesday, May 16th. Today the Sun will be up for 14 hours and 52 minutes, setting at 9:05, and it will rise tomorrow at 6:12. The Moon, 1 day past new, will set at 10:32 this evening.
It’s Wednesday again and time to look for the bright planets. Two of them are in the evening sky. The brilliant beacon of Venus will be visible in the western twilight from about 9:25 p.m. until it sets at 11:44. Jupiter will be low in the southeast as it gets dark. Jupiter is only out shown by Venus and the Moon. And after Venus sets will have the night to itself as the brightest star-like object. Binoculars will show it to be not quite star-like in size, that is it will appear as a tiny orb. It will be accompanied by several satellites which will shift positions night to night. Saturn will rise at 12:12 a.m. in the east-southeast. Mars will rise at 1:46 a.m. and is now outshining Saturn, and will, this summer even outshine Jupiter.
The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.
Addendum
05/09/2018 – Ephemeris – We’ve got two evening planets now
Ephemeris for Wednesday, May 9th. The Sun rises at 6:21. It’ll be up for 14 hours and 35 minutes, setting at 8:57. The Moon, 2 days past last quarter, will rise at 4:14 tomorrow morning.
It’s Wednesday again and time to look for the bright planets. Tada! We now have a second planet in the evening sky. More on that in a moment. Venus will be visible low in the western twilight from about 9:15 p.m. until it sets at 11:29. Jupiter is up before sunset in the southeast. Which makes it an evening planet. It is at its closest and its brightest at magnitude -2.5. Venus is at magnitude -3.9. Magnitudes are like golf scores, the lower the magnitude the brighter the object. Saturn will rise at 12:49 a.m., while Mars will rise at 2:05 a.m. At 5:30 tomorrow morning these three planets will be strung across the southern sky. Bright Jupiter will be in the southwest, dimmer Mars and Saturn will be in the south, with Mars to the left of Saturn.
The times given are for the Traverse City/Interlochen area of Michigan. They may be different for your location.
Sorry, no graphics this time. I’m still fighting the flu bug. It’s not a cold as I reported with Monday’s post but a full blown case of the flu.





























