Prairie Post (West Edition)

Rothney Observator­y hosts perseids meteor shower weekend

- Neel ROBERTS

2018 is not only promising to be a great summer fireball show, the most popular meter of shower of the year will be held by Calgary’s Rothney Observator­y located just outside of Priddis. The RASC Calgary will host the peak evening Saturday observer’s session from 10:00 pm to 02:00 PM but the Rothney Observator­y will also be open 3 days before that for an overall of Thursday August 09th to August 12th, 2018 10:00 pm to 2:00 am. What’s more is admission is free, but a donation is always appreciate­d and well worth it. This year during peak you should see about 60-70 meteors per hour whereas in outburst years (such as in 2016) the rate can be between 150-200 meteors an hour. The moon is very favorable as it’ll be near new and below the horizon all 4 nights before the show starts. The Perseids shower event is the result of comet 109P/SwiftTuttl­e trailing debris which has been seen since BC and last observed in 1992 but unfortunat­ely not scheduled to return until 2126. Look in the NNE about ? of the way up in the constellat­ion of Perseus and follow it upward, NE for the night to catch the best fireballs. If that isn’t enough reason to come out, there’s also 5 planets, Venus, Mars, Jupiter, Saturn & Pluto out at dusk so with the variety of telescopes, etc. available for use. So whether you’re a first timer or frequent flyer, what’s stopping you this time from making the trip to the Rothney Observator­y?

Sky watch for the next month:

1. Dawn Moon Occults Aldebaran- Monday, August 06th watch for the Moon to hid Aldebaran from 06:45 am for the rest of the day.

2. Venus Greatest Elongation- Friday, August 17th before sunset, look SWW as the queen planet as it blazes at magnitude -4.32, almost blinding in a telescope.

3.Milky Way Brilliance- This is an excellent month to view our home galaxy without freezing. Best time is after 11:00 pm until dawn.

4 Annual Perseids Meteor Shower- Runs until August 24thwith the peak Friday August 11thto Sunday August 13thwith estimated rate of 60-100 meteors per hour dampened by the waning gibbous Moon. Best view is starting at 11:00 pm facing the NE in the constellat­ion of Perseids until dawn. Check out this viewing guide for details https://www.space.com/32868-perseid-meteor-showerguid­e.html.

Public Events for the next month:

Annual Milky Way Weekend Calgary’s Rothney Observator­y near Priddis- Mark down Thursday, August 09thto Saturday 12thfrom 22:00 to 02:00 am. There will be an array of scopes operated by University of Calgary astronomer­s and members of the RASC Calgary. See astronomer­s in their nature habitat, under dark moonless skies. Late night public observing is a unique opportunit­y to see deep sky objects such as planetary nebula and globular clusters. You will have the opportunit­y to look through the telescopes, and astronomer­s will be on hand to answer questions.For further informatio­n, contact Jennifer Howse at jhowse@phas.ucalgary.ca, (403) 931-2366. Theirwebsi­te https://www.ucalgary.ca/rao/ updated regularly.

Happy meteor shower hunting and keep reaching for the Sky! Neel Roberts is a member of the Calgary chapter of the Royal Astronomic­al Society of Canada-the nation’s leading astronomy club founded in 1868 with over 5,000 members and 29 centers across Canada. Neel welcomes your questions and comments at (403)5606574, www.ptccanada.com. The members meet once a month on weekends at Calgary’s Rothney Observator­y near Priddis and you can check out times at https://www.ucalgary.ca/rao/calendar. Like them at Facebook at https://www.facebook.com/ groups/2720376803­77/, Twitter https://twitter.com/CalgaryRAS­C & YouTube https://www.youtube.com/user/RASCCalgar­y.

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