Episodes
Monday Aug 31, 2015
September 2015
Monday Aug 31, 2015
Monday Aug 31, 2015
To see a video of this information, go to my YouTube Channel
A total lunar eclipse with wonderful timing is coming up at the end of the month, with one easily visible planet in the evening and three possible in the morning. Prepare now for the eclipse!
PLANETS...well, the ones visible with your naked eye
Planets you can see around Sunset – Saturn (SW)
Planets you can see throughout the night – None
Planets you can see in the Morning – Venus (E), Mars (E), Jupiter (E)
Mercury – Not really worth looking for this month.
Venus – Rising at about 4am, it gets higher in the sky as the month goes on, so keep looking in the morning before sunrise toward the east. Close to the Moon on the morning of the 10th.
Mars – Visible in the morning in the east about 30 minutes after Venus. It’ll be hard to find but it’ll get higher in the sky each morning. Just look for the reddish star in the east below Venus and very near Regulus (the brightest star in Leo) in the mornings before sunrise. Close to the Moon on the morning of the 10th.
Jupiter – Visible starting the second week and is below Mars (and Venus) in the East before sunrise
SATURN – Saturn is already in the SW after sunset and moves across the sky to the West and sets by about 10pm. It’ll be the bright point of light to the right of the red, but dimmer, star Antares (which sometimes looks like it’s changing color, due to being low on the horizon and its light having to go through much more atmosphere and turbulence). It’s a great time to check out Saturn’s rings. Close to the Moon on the 18th.
EVENTS...
4th– Occultation – Watch Aldebaran emerge from behind the Moon around 12:38am on the night of the 4th/morning of the 5th. Only some parts of the Earth will see this reappearance of the star from behind the Moon’s dark limb. To know the precise time based on where you are, timetables are available at lunar-occultations.com/iota/bstar/0905zc692.htm
Last Quarter Moon – 5th (Visible from midnight into the morning)
10th – Close Encounter – Moon, Venus, Mars – A very thin crescent Moon moves in between Venus and Mars, which are only about 10˚ apart to begin with. Bring binoculars and look toward the eastern horizon between 5am and sunrise (6:40am). The earlier, the better.
New Moon – 13th (darkest skies)
18th – Close Encounter – Moon, Saturn – Get out after sunset and look SW for a nice crescent Moon with Saturn 3˚ below and to the left. By 10pm, they’ll be in the West setting.
First Quarter Moon – 21st (Visible until midnight)
23rd – Fall Equinox – When all locations on Earth experience a day of almost exactly 12 hours and a night of almost exactly 12 hours. It is the astronomical first day of fall, even though meteorologically it typically starts in the beginning of September.
24th – Close Encounter – Mars, Regulus – Look east in the morning between 5am and sunrise and find the brightest star in Leo (Regulus) and Mars less than 1˚ apart for two nights. If you can’t find them, look for bright Venus about 10˚ up and to the right.
TOTAL LUNAR ECLIPSE – Full Moon – 27th (Visible all night) – A FANTASTIC eclipse, especially for those in Eastern North America who will be able to see the whole thing, starting after sunset and ending around 12:30am. No super late night necessary! Here’s how to watch it:
· Get outside on September 27th and look to the East for the full Moon.
· At 8:40 p.m. EDT, the penumbral portion will start. You probably won’t see anything happen though, since this is the lighter portion of the Earth’s shadow, and it barely dims the Moon’s surface
· At 9:07 p.m. EDT, the partial eclipse begins. This is when the dark inner portion of the Earth’s shadow starts to engulf the Moon, taking about an hour to “eat it up”, leaving the eaten portion a dark red hue.
· At 10:11 p.m. EDT TOTALITY begins. If you start looking around now, look SE for a dark Moon. The Moon is completely within the Earth’s shadow, but it will still appear a reddish/orange, since some sunlight has passed through the Earth’s atmosphere and, in passing, lost the BIV part of its spectrum and bent toward the Moon. Essentially, you are witnessing the light from all of the sunsets and sunrises on Earth projected onto the Moon all at one time. The Moon will be darkest at mid-eclipse, at 10:48 p.m.
· At 11:23 p.m. EDT, totality will end, and the Moon will begin its hour-long exit from the shadow of the Earth, ending at 12:27 a.m. EDT. By this point the Moon will be much higher in the sky and more toward the South.
More info at earthsky, timeanddate, and Sky & Telescope
CONSTELLATIONS... (see sky map link at the bottom for a Star Map for this month – or ask Mr. Webb) Look straight up and you'll see...
Just after Sunset (around 7:30pm) – Lyra the Harp, Cygnus the Swan
Extra Challenge! Use binoculars (or even a telescope) and a star chart to scan through the southern constellation of Sagittarius. There are at least 7 easily visible clusters and nebulas up and to the right of the “teapot” of Sagittarius.
Between Sunset and Midnight – Lyra, Cygnus, Aquila (a little to the south) – These are the Summer constellations, and since they are visible right above us around midnight (and to the east after sunrise), it’s now summer! More details below in the “General Constellation Finding Tips”
Midnight – Lacerta, Pegasus, Andromeda – Extra Challenge! Using your naked eye (dark-adapted and in a dark area) or binoculars under normal conditions and a star chart, try finding our neighboring Andromeda Galaxy. It’ll be a faint fuzzy in the constellation Andromeda.
Early Morning – Perseus, Auriga - Also, if you look to the SE in the morning, you’ll find the winter constellations of Orion, Taurus, Auriga, Gemini, and Canis Major.
GENERAL CONSTELLATION FINDING TIPS:
Summer Constellations: Lyra, Cygnus, Aquila, Delphinus
Look straight up before 10pm and you’ll be able to see Lyra (the Harp), Cygnus (the Swan), Aquila (the Eagle), (and Delphinus the Dolphin.) These three constellations have the three brightest stars of the summer constellations (Vega, Deneb, Altair – respectively.) Those bright stars create the summer triangle. Off to the east of this is the small but beautiful constellation of Delphinus. If you’re under dark skies (away from city lights) you may just catch a glimpse of the Milky Way passing through Cygnus and Aquila. If you’re looking past 10pm, they’ll be moving toward the West and lower in the sky.
Fall Constellations: Andromeda, Pegasus
If you can find the Summer Triangle and Delphinus, about 40˚ to the East (leftish) will be the Great Square of the fall constellation Pegasus. Perhaps you’ll even see the two curves of Andromeda off of one side, with the Andromeda Galaxy as a small, faint fuzzy nearby (you’ll need dark skies to see it). A sky map will help you tremendously in finding these. You’ll see these in the East after sunset, straight above you around midnight, and in the West in the morning.
Use a sky map from www.skymaps.com to help you out.
Friday Jul 31, 2015
August 2015
Friday Jul 31, 2015
Friday Jul 31, 2015
To see a video of this information, go to my YouTube Channel
August turns out to be a much less exciting month than the previous couple, but it brings us the best meteor shower of the year and good views of Saturn along with short, but very warm nights.
PLANETS...well, the ones visible with your naked eye
Planets you can see around Sunset – Saturn (S),
Planets you can see throughout the night – None
Planets you can see in the Morning – Mars (E), Venus (E – end of month)
Mercury – Not really worth looking for this month.
Venus – Technically visible starting the 22nd, but difficult to see. It gets higher in the sky as the month goes on, so keep looking in the morning before sunrise toward the east.
Mars – Visible in the morning in the east starting around the second week of August. It’ll be hard to find but it’ll get higher in the sky each morning. Just look for the reddish star in the east in the mornings before sunrise.
Jupiter – Technically visible the first couple days of the month, but very hard to see. Make sure you have a clear horizon and look west after sunset. It’ll be the brightest point of light in that direction and only about 5˚ above the horizon.
SATURN – Saturn is already in the SSW after sunset and moves across the sky to the West and sets by about midnight. It’ll be the bright point of light to the right of the red, but dimmer, star Antares (which sometimes looks like it’s changing color, due to being low on the horizon and its light having to go through much more atmosphere and turbulence). It’s a great time to check out Saturn’s rings. Close to the Moon on the 22nd.
EVENTS...
Last Quarter Moon – 6th (Visible from midnight into the morning)
12th - 13th – Perseid Meteor Shower – This is a great year for the Perseids, given that the waning crescent Moon doesn’t rise pretty much until the Sun does. It looks like that in dark skies there will be about 60 meteors per hour. Remember, you’re seeing the bits of dust left over from Comet Swift-Tuttle burning up as they crash into the atmosphere at 37 miles per second.
Some advice for watching:
Find a dark location and lie down in a reclining chair or swimming pool floaty
Look toward Perseus (In the NNE around 9pm, rises throughout the night until sunrise where it will be almost directly above.) That is where the radiant is - where the meteors will appear to be coming from
The strategy to observe this one is to start watching in the evening and continue until daylight. The shower is usually technically active from mid July to late August, so you may see some Perseids in the days leading up to and after the peak as well.
Check the weather to see if the skies will be clear (weather.com has a good map here)
Adapt your eyes to the dark by staying away from light sources or using a red light if you need to look at a star chart or not trip over something.
If you’re feeling extra nerdy, do a scientific meteor count. More info at S&T and IMO
Or find out if your local astronomy club or museum is holding a viewing party.
New Moon – 14th (darkest skies)
First Quarter Moon – 22nd (Visible until midnight)
22nd – Close Encounter – Moon, Saturn – Get out after sunset and look SW for a First Quarter Moon with Saturn 4˚ below and to the right. By 11:30pm, they’ll be in the West setting.
Full Moon – 29th (Visible all night)
CONSTELLATIONS... (see sky map link at the bottom for a Star Map for this month – or ask Mr. Webb) Look straight up and you'll see...
Just after Sunset (around 8:30pm) – Hercules. Hercules has an Extra Challenge! Look for M13, the Hercules Cluster in between two of Hercules’ “keystone” stars. It known as the best globular cluster in the northern skies. It will be a fuzzy spot in binoculars and will be even cooler through a telescope
Extra Challenge! Use binoculars (or even a telescope) and a star chart to scan through the southern constellation of Sagittarius. There are at least 7 easily visible clusters and nebulas up and to the right of the “teapot” of Sagittarius.
Midnight – Lyra, Cygnus, Aquila (a little to the south) – These are the Summer constellations, and since they are visible right above us around midnight (and to the east after sunset), it’s now summer! More details below in the “General Constellation Finding Tips”
Early Morning – Pegasus, Andromeda Extra Challenge! Using your naked eye (dark-adapted and in a dark area) or binoculars under normal conditions and a star chart, try finding our neighboring Andromeda Galaxy. It’ll be a faint, but bigger, fuzzy in the constellation Andromeda
Summer Constellations: Lyra, Cygnus, Aquila, Delphinus
Look to the east after sunset or straight up around midnight and you’ll be able to see Lyra (the Harp), Cygnus (the Swan), Aquila (the Eagle), (and Delphinus the Dolphin.) These three constellations have the three brightest stars of the summer constellations (Vega, Deneb, Altair – respectively.) Those bright stars create the summer triangle. Off to the east of this is the small but beautiful constellation of Delphinus.
Spring Constellations: Bootes, Virgo, Leo, Corona Borealis, Hercules.
First find the Big Dipper in the North (a North Circumpolar Asterism that never sets) and look at the handle. Starting at the star closest to the “cup” part, follow the rest of the stars in the handle and follow the arc to Arcturus. Arcturus is the brightest star in Bootes the Shepherd. Some say he looks more like a kite, others say more like an ice cream cone.
Then, following the same “arc”, speed on to Spica. Spica is the brightest star in Virgo. Virgo’s a dimmer constellation, so you’ll be rewarded when you find her.
To the left of Bootes is Corona Borealis. This is a small collection of stars that make a crown, cup, or U shape in the sky.
To the left of Corona Borealis is the great constellation of Hercules. Hercules is the Hero of the sky and has a central “keystone” asterism, in which lies M13, the Hercules Cluster.
Lastly, Leo is a constellation consisting of a backward question mark (or sickle) and a right triangle to the left. Use the two Big Dipper “cup” stars that are in the middle of the Big Dipper and follow the line they make to the bright star Regulus, the brightest star in Leo.
Use a sky map from www.skymaps.com to help you out.