Astronomy Cafe – Nov 21, 2022

Posted by as Astro Cafe

Video transcript of meeting

  • Lunar background information – Jeff Pivnick
    • NASA Science web – source of presentation
    • Lunar origin – giant impact is most-favoured hypothesis
    • Lunar orbit is locked to the Earth
    • Composition of the surface & core
      • 2 kinds of rock – black magma, white Vesicular basalt
      • Regolith makes up the surface dust
    • Exploration
      • Apollo 11 through 17
      • Artemis
  • Artemis I Lunar Mission – Chris Gainor
    • Artemis I is an un-crewed mission to test the Orion spacecraft and launch vehicle rocket systems
    • Dec 11th – scheduled splashdown
    • 10 tiny satellites part of the mission
    • In-flight photos
    • Cabin takes 4 people on future missions
    • Photos of the Moon and setting Earth (behind the Moon)
    • As close as 81 miles to the Moon’s surface
    • Human Space Programs
      • Apollo (1968-1972), space shuttle (1981-2011, ISS (1998-present)
      • Human missions are very expensive
      • Constellation Program – 2004-2010 – parts of this program are in Artemis
      • Exploration test flights in 2009, 2014
      • Space Launch System – SLS variants of launch rockets
      • Orion Exploration Vehicle
        • Crew of 4
        • Crew Module (NASA contractors)
        • Service Module (ESA)
    • Cost of Artemis I mission is $4 billion
    • Phase 1 – get back to the Moon
    • Phase 2 – go on to Mars ~20 years
    • Artemis II
      • 4 astronauts on board
      • Loop around the Moon and return
      • No lunar orbit or landing
      • 1 of 4 Canadian astronauts will go on the mission
      • May 2024 probable launch
    • Artemis III
      • Landing on the Moon
      • As early as 2025
      • SpaceX Starship will be used as a lunar lander
      • SpaceX Starship may fly to the Moon earlier and independent from Artemis!
    • Lunar Gateway – Canadarm in lunar orbit
    • Space Shuttle engines are being reused for the Artemis missions
  • Minor details about Artemis I – Randy Enkin
    • Photo of the mission launch showing  Moon, rocket, meteorite for Enkin’s Daily Moon on Facebook
    • Trajectories
      • Distant Retrograde Orbit through La Grange points
      • Slingshot around the Moon to return to Earth
    • Cubesats
      • Space on Artemis for 16 cubesats
      • 10 cubesats on this Artemis I mission
      • The Cubesats all have different purposes and missions
    • Passengers – all mannequins
    • Photo of mission launch for Enkin’s Daily Moon on Facebook
  • Lunar Sketches – Randy Enkin
    • Waning phase – favourable libration – on two days
    • Photos of same area sketched – by Mike Nash (Victoria) and Steven Arthur Sweet (Toronto)
  • Apollo, Artemis and Orion – a backgrounder on the Greek gods by Jeff Pivnick
  • Concert at UVic on Dec 3rd – Dave  Robinson
  • Astrophotography SIG – this Wednesday – Dave Payne
  • Road construction has closed Observatory Hill to the public until Dec 22nd
    • Victoria Centre Observatory closed – Reg Dunkley
    • Centre of the Universe – virtual events only – Lauri Roche
    • Serious access problems for everyone
  • SIGs – David Lee
    • Makers SIG this Thursday
    • Citizen Science SIG – interested? contact David
  • Bollide Meteor over Southern Ontario – Peter Jedicke
    • 3:26AM EST on Saturday morning
    • Asteroid orbital predictions are now a reality
    • Predicted hit between London to Brantford, Ontario
    • Dave Clark, RASC member observed it
    • Photo taken by Rob Weryk from London, based on a tip from Hawai’i astronomy staff
    • Earlier photo from Lowell Observatory used to refine calculation of orbit
    • Peter didn’t spot the meteorite
    • Western News

Astronomy Cafe – Nov 14, 2022

Posted by as Astro Cafe

Video transcript of the meeting

  • Island Star Party – Dave Payne
    • RASC Victoria will be hosting ISP in 2023, not Cowichan Valley Starfinders
    • Debriefing from CVSF will happen soon
    • Bright Angel Park will need to be reserved soon with CVRD
    • Volunteers from Victoria Centre will be needed – contact Dave Payne dapayne@shaw.ca
      • Insurance
      • Speakers
      • Advertising
      • Setup on Friday – tents, parking, observing field
      • Cleanup and teardown on Sunday
    • Council approved our participation a year ago
    • Date for 2023 star party needs to be decided upon
      • Nearest New Moon in August is the 16th
      • Good dates for star party is probably Aug 11-13
      • Mt. Kobau Star Party – Aug 12-20
      • Perseid meteor shower peaks on Aug 13
    • Previous star parties attracted a wide selection of amateur astronomers
    • At least 50 attended each night at this year’s star party
    • Discussion
    • Photos from 2016
  • Space Mission Reports – Chris Gainor
  • Observing Mars near Opposition – Bill Weir
    • Weather is clear and stable this week
  • Ken McGill’s observing van conversion
  • RASC National website – problems for members – Bill Weir
    • When renewing membership, subscribing to the email lists can happen involuntarily – Dave Payne
    • Centre affiliation choices are not working properly – Chris Purse
    • Large order for calendars from Victoria Centre placed 3 weeks ago has not arrived – Lauri Roche
    • Brendon Roy from National gave an update on shipping publication orders
  • RASC Victoria Centre Council Meeting tomorrow night – Jill Sinkwich
  • Malcolm from Toronto introduced himself as a new Victoria Centre member
  • Website tour – Special Interest Groups & email lists – Joe Carr
    • SIGs – click on the name beside the one that interests you to sign up
    • Email lists – descriptions on the Members Only area of the website
      • Members Only area is behind a shared password – contact Joe Carr, Webmaster
      • HillObs – special requirements for signup for members who are Active Observers to observe and acquire astrophotos from the Victoria Centre Observatory
  • Public Observing at Observatory Hill – Lauri Roche
    • Public restricted to 150 on Saturday nights – sign ups go quickly when the event is posted
    • Currently scheduled monthly
      • Nov 26 – next star party
      • Dec 17 – Nathan will be presenting
    • Friends of the DAO membership is $25
    • Hosting groups of students and teachers at the Centre of the Universe during the day
    • How school programs work – new team needed from RASC – contact Lauri for info
    • Road construction on Observatory Hill is still underway – be cautious, especially at night
  • UVic Astronomy Open House – Bob Wright Building observatory every Wednesday evening
  • Astrophotography – Dave Payne
  • Gonzales Observatory – query from Larry Manuel
    • Originally a solar transit observatory for time keeping and the historic Noon Gun – Joe Carr
    • Environment Canada weather station
    • Gonzales Hill Regional Park

Astronomy Cafe – Nov 7, 2022

Posted by as Astro Cafe

Video transcript of meeting

  • Astrophoto SIG members’ photos – Brock Johnston
    • Stephan’s Quintet – Plaskett telescope – Dan Posey
    • Ring Nebula M57 and faint galaxy nearby – Plaskett telescope – Dan Posey
    • Iris Nebula and dust in Cepheus region – Dan Posey
    • Heart & Soul Nebula – Ron Fisher
    • Veil Nebula, Cygnus Loop – Ron Fisher
      • Shock wave from a supernova is faint part of the image
    • Triangulum Galaxy – Ken McGill
    • Indicating cardinal directions or orientation on photos would be helpful for visual observers – Dorothy Paul
    • Discussion about what happens at the Astrophoto SIG
    • GHS routine – Davey Payne
    • Elephant Trunk Nebula – Ken McGill
    • Ring Nebula M57 – VCO early image – John McDonald & David Lee
    • Discussion about the astronomical imaging process rendering what we see in a photo
    • Cygnus area of the Milky Way – wide-angle & Canon Ra camera –  John McDonald
    • Fox Fur, Cone, Christmas Tree, Cone nebulae – Dave Payne
      • Radiation from star clusters power these nebulae
      • Sulphur, oxygen and hydrogen elements – false colours
      • NGC2264 (star cluster)
    • Pleiades star cluster M45 – Dave Payne
      • Star energy is being reflected off the adjacent gas clouds
    • Mars – Brock Johnston
      • Opposition – Dec 8th
      • Combining and stacking video frames
    • Bubble, Lobster Claw, Lagoon nebulae – refractor – Brock Johnston
      • Lots of dust areas in this wide field
      • M52 star cluster
    • Centre of the Heart Nebula – Brock Johnston
      • Good framing
    • Astrophoto SIG will give a monthly update to Astronomy Cafe – Dave Payne
  • Victoria Centre Websites – Joe Carr
  • Stellarium app for desktop and smart devices – David Lee
    • RASC National Youtube site has a webinar on how to use Stellarium
  • Total Lunar Eclipse – Randy Enkin
    • Time and Date – eclipse info for this eclipse and future eclipses
    • Unfortunately our weather won’t be clear enough to observe the lunar eclipse later tonight
    • Next good total lunar eclipse isn’t until March 2025
    • Partial Solar Eclipse photos from a couple of weeks ago – Enkin’s Daily Moon on Facebook
    • Great Moon Hoax
  • Centre of the Universe – Lauri Roche
    • Road construction is now underway on Observatory Hill – be careful when driving
    • Star Parties to be held on Nov 26th, Dec 17th
  • Victoria Centre Council meeting to be held on Tue, Nov 15th – Randy Enkin

Astronomy Cafe – Oct 31, 2022

Posted by as Astro Cafe

Video transcript of meeting

  • 2023 RASC Observer’s Calendar – still a few left from Victoria Centre’s bulk order – email Lauri Roche
  • RASC Victoria Centre 2023 calendar – Joe Carr
  • Reports and updates – Chris Gainor
    • Artemis Launch now on Nov 14
    • James Webb Space Telescope
      • Early images
      • Some issues with one mode of the mid-Infrared imager (MIRI)
    • Hubble Space Telescope images
    • Skynews is running late, new editor hired
    • History of the Canadian Astronomical Data Centre – repository for data from many big telescopes – article for Feb 2023 JRASC
    • BBC National site has interactive display for JWST infrared – Michael Webb
  • Lunar Eclipse on Nov 8th – Randy Enkin
    • Umbra Crossings of Craters during the eclipse
    • Refer to Sky & Telescope’s table of crater timings
    • Refer to eclipse crater timing diagram sent out by Randy
    • Randy uses the Ticking Clock app on Android
    • How about using video timing? – David Lee
    • How accurate does the timing need to be? S&T states 6 seconds
    • Forecast for Nov 8th might indicate drier air from BC Interior will move over us – Reg Dunkley
    • Refraction affecting measurements discussed
    • Time and Date – eclipse info
  • SIGs – David Lee
  • Public Outreach discussion
    • David Lee: What is more effective for public outreach – using a screen or eyepiece/visual?
    • Bill Weir: used his 4″ refractor for pubic observing at Jasper, while others showed images on screens
    • John McDonald: sets up his telescope for observing by seniors, reporting an emotional response
    • Dave Payne: setup time for EAA gear is a liability
    • Garry Sedun: his family prefers visual astronomy
    • Dave Robinson: reports an emotional response to observing with eye to eyepiece
    • David Lee: EAA works when observing a dim object that is beyond the visual limit
  • Lauri Roche: Any news about holding RASC meetings at UVic again? Nothing so far (Chris Purse)

Astronomy Cafe – Oct 3, 2022

Posted by as Astro Cafe

Video transcript of the meeting

  • DART spacecraft impact – Kelly Fast, presenter for Oct 17th Astro Cafe- Jeff Pivnick
    • Last 2.5 minutes of mission
  • Astrophotos from the VCO – Reg Dunkley
    • Didymous – looks like Albert Einstein
    • Had an MIC training session with poor attendance. We need a couple more sessions scheduled longer in advance.
      • Operating the telescopes and the observatory
      • All the equipment is working very well
      • Can also bring along a dSLR
    • David’s planetary imager was used to image the Io transit of Jupiter over the Great Red Spot – LRGB channels – 40,000 frames
    • Couldn’t get Registax to work, so used AstroSurface software
    • We are now allowed to have up to 15 members, 3 in VCO wearing a mask with new protocols in place
  • Astrophotos – Brock Johnston
    • Io transit of Jupiter over the Great Red Spot
    • 4700mm of focal length
    • Saturn – Sep 25th
    • Jupiter – GRS on the edge
    • Using AstroSurface – uses R-L deconvolution and wavelets
    • Links to weather conditions and forecasts – Jetstream & ClearDarkSky for Victoria & Upper Winds
  • Imaging using the Plaskett – Dan Posey
    • Just past imaging session happened on Sep 30th
    • gPrime & rPrime – good for imaging emission nebulae
    • Next Plaskett sessions: Oct 29, Dec 22
    • Can have up to two people with Dan in the control room
    • No updates on the new camera, which will be about 20′ wide and more square FOV. Jim Hesser expects the camera replacement will take months, but it is progressing.
    • Imaging done: Cocoon, Stephan’s Quintet, North America and Dumbbell nebula
    • Cruise tour of 30 crashed into the dome – thanks to Dan for interrupting the imaging – Lauri
  • SIGs – David Lee
    • Beginner’s SIG this Tuesday
    • Electronically-assisted Astronomy this Thursday
  • Sky Brightness Survey – David Lee
    • Consolidation and cleanup of the data is progressing
    • Project meetings on Tuesday 7:00-7:30PM and Wednesday 7:00-8:00PM evenings with the team
    • David will show some graphics depicting the data and problems
    • Need some people who are colour blind to participate
    • Does Jupiter skew the dark sky readings? Bill Weir
    • About half the volunteers were new to SQM measurements, the others had done
    • How about taking more readings during New Moon in October? – maybe
  • 2023 RASC Calendars – Lauri Roche
    • Place an order – email Lauri
    • No up-front payment required
    • See the RASC website for information about the 2023 calendar. We anticipate the cost will be similar to last year which was $15 each; this is a considerable savings over ordering directly from the RASC eStore
  • Future of Hubble – Chris Gainor
    • 13 years since last servicing mission
    • 535 kms above Earth, so good until 2036-37
    • NASA and SpaceX may use a Dragon spacecraft to boost Hubble into a higher orbit – 6 month technical study
    • Polaris flights being privately funded for next year to high orbit – a second flight might be used to boost Hubble
    • Chris’ Space Review article – NASA-SpaceX study opens final chapter for Hubble Space Telescope
  • Bill Weir
    • Vixen 114mm Newtonian telescope donation
      • Parabolic mirror, good quality optics
      • Two school programs might want to use this telescope – Lauri
    • Sidewalk astronomy at Metchosin Market
  • Next Astro Cafe is in 2 weeks on Oct 17th

Astronomy Cafe – Sep 26, 2022

Posted by as Astro Cafe

Transcript video of the meeting

  • Sky Brightness Survey – David Lee
    • Most data sheets have been received from the volunteers
    • Readings taken in the region last Tuesday, Wednesday and Thursday
    • Marjie & Susan – a great experience
    • Possibly another round of data collection will be needed next month to catch missing readings
    • Lauri & Brenda – very interesting to measure the areas, app delivered higher (better) readings than the SQM, Island View Beach is very dark but some urban glow
    • John McDonald – different smart phones would probably deliver different readings from the app due to different camera configurations
    • Dave Payne – Possibly calibrate the app to the SQMs
    • Les Welch – the nature of the lighting determines the light pollution level
    • Bill Weir – SQM at Mt. Kobau was 21.8, yet it was very poor seeing due to smoke and other sky obscuration
  • Astrophotos – Brock Johnson
  • Visual Observing – Bill Weir
    • Jupiter & Saturn – great detail visible last night just before midnight
  • Astrophotography SIG – Dave Payne
    • Meeting this Wednesday
    • SIG members will be showing their work regularly at Astronomy Cafe
  • Samantha Jewett, Education and Outreach Coordinator, RASC National
    • Planning stage for 2022-23 in-reach and outreach
    • In-reach
      • Visits to Centres by Samantha and Phil
      • Attend major star parties
      • Robotic Telescope Project
        • 2022 data release on Oct 1st
        • New projects and volunteers
        • Citizen science research group
    • Outreach
      • Tour the Night Sky – Zoom nights for members
      • NOVA – material to centres by end of October – David Lee & Lauri Roche are already hosts
      • High school groups
        • robotic telescope operating and data available
        • astrophotography as well as data acquisition
      • Insider’s Guide to the Galaxy hosted by Chris Vaughan
        • Zoom & Youtube
      • Creating Resources 
        • Beginners
        • Short-form on social media
        • Families & under 12 activities
        • Shared with centres
      • Public Events
        • Solar sidewalk outside National office
        • Trade shows
        • Star parties
        • Solar Eclipses in 2023 and 2024
          • Eclipse glasses
          • Education materials for centres
      • Education & Public Outreach
      • World Asterisms Project by Charles Ennis
      • Astronomy software training by Blake Nancarrow
      • GA 2023 
        • Early May online
        • Separate from the AGM
    • 2023 RASC Calendars available for order on Oct 1st – contact Lauri
    • Send local event information to national to publicize
    • Observers Handbook
      • Coming directly from publisher this year
      • Members should review your address – go to rasc.ca and click on “Log in”
  • Young astronomers – Lauri Roche
    • School Astronomy Clubs  at Oak Bay (forming), Mt. Doug (forming), Vic High (in place
  • NASA’s DART small spacecraft crashed into small asteroid Dimorphos today – Bill Weir
  • Fall Fairfield Fair – Reg Dunkley
    • 400 people came by our table
    • Observing the Sun through the Solar scope was popular
    • Thanks to the volunteers
  • Donating telescopes – Bill Weir & Samantha Jewett
    • Pearson College is receiving a vintage Questar telescope donation from an estate
    • Telescopes can also be donated to National’s Dorner Telescope Museum
  • Nanaimo’s Day of Reconciliation – Janeane
    • Nanaimo Astronomy will be there this Friday

Astronomy Cafe – May 30, 2022

Posted by as Astro Cafe

Video transcript of the meeting

  • Telescopes – David Lee on behalf of Sid Sidhu
    • There are telescopes for loan to RASC VIctoria Centre members
    • Members who have spare eyepieces, please contact Sid, since we need more selection for loaners
  • Kitt Peak – David Lee
    • PixInsight workshop review
    • Kitt Peak is reopening, offering remote telescope images
    • OGS 12.5″ telescope, Paramount ME and 294MC OSC imaging camera – available for rent approximately US300/night for exclusive use
    • McMath Pierce Solar Telescope – now a public outreach facility, supporting Noirlab feeds
  • Brave New World – New Scientist – Ken Atkinson
    • TESS images – citizen science opportunities
    • zooinverse.org – see planet hunters
  • Astronomy Public Outreach – Randy Enkin
    • Island Star Party – last weekend in August at Bright Angel Park in southern Cowichan Valley – will be co-sponsored by Cowichan Valley Starfinders, RASC Victoria
    • Saanich Fair astronomy outreach – need volunteers
  • Meteor Storm Tonight – May 30, 2022 – Randy Enkin
    • Debris from Comet 73P/Schwassman-Wachmann 3, a Jupiter family comet
    • No observations after 1930, until 1979 again
    • Period: 6.5 years
    • In 1995 brightened 400x – Hubble Space Telescope imaged the pieces of the comet
    • In 2006 Spitzer Space Telescope imaged
    • 2022 apparition could be spectacular
    • How about observing this apparition? Cloud cover may be a factor.
  • Star Parties at the DAO/CU – Lauri Roche
    • June 4 – next star party
      • Need some volunteers with telescopes
      • Speaker: White Dwarfs – Simon Blouin
    • Last Star Party – thanks to Dave Payne and David Lee for working on the Celestrons, Sherry Buttnor operated the 16″, solar telescopes were operating early in the evening.
    • Centre of the Universe displays – many are disabled due to old age. Needs a refresh, but requires funding. Skilled volunteers would be very welcome.
  • RASC General Assembly – June 24, 2022 – Lauri Roche
    • Tickets are now available – $20 for members for 4 days
    • Lots of interesting speaker, workshops, social events, and AGM business meeting
    • For those of us who live in the Pacific Time Zone – runs between 9AM and 4PM
    • Some sessions will be recorded, to be viewed later
  • Last Astronomy Cafe 
    • Thanks to the volunteers who have hosted Astronomy Cafe
    • Need volunteers when Astro Cafe restarts in the Fall
    • Hybrid format is working – in-person and Zoom
    • Sep 12th – first Astro Cafe meeting
    • Alex Schmid laptop (from UVic), external speakers and microphone
  • Galactic Poster – Nathan Hellner-Mestelman 

Astronomy Cafe – May 16, 2022

Posted by as Astro Cafe

Video transcript of meeting

  • Special General Meeting for RASC Victoria Centre – Randy Enkin
    • Have a quorum of over 25 Victoria Centre members in attendance
    • Changes to ensure our bylaws are consistent with the national bylaws and BC Society’s Act requirements
    • Call for volunteers to work on more revisions to Victoria Centre bylaws over the next few months
  • Need volunteers for Astronomy Cafe – contact Randy Enkin
    • Zoom host – recording and posting the video transcripts online
    • Meeting host – tracks and runs the meetings
  • Star parties at Observatory Hill – Lauri Roche
    • May 21, Jun 4, 18 – hybrid party in-person and online on Zoom & Youtube
      • May 21 – Early Discoveries made by the Plaskett Telescope – Jim Nemec
    • Every Saturday night after the July 1st break for the summer
    • Volunteers needed: telescopes in the parking lot, RASC welcome table, Plaskett dome tour hosts, 16″ telescope operators, other roles – contact Lauri
    • Electronically-Assisted Astronomy – start planning to use at the Star Parties in future – contact Dave Lee
  • Nanaimo Astronomy – Janeane MacGillivray
    • Astronomy From Kitt Peak – David Lee presenting at upcoming meeting
    • RASC Victoria members are welcome – send an email
  • Total Lunar Eclipse reports from members – May 15/16, 2022
    • Cloudy photos from Saanich after being skunked at Cattle Point – David Lee
    • HDR smartphone photos through eyepiece, join observations from Cosmic Generation group – Nathan Hellmen-Mestleman
    • Lunar Crater transits & mare cookies – Randy Enkin
    • Cloudy photos from Sidney – Chris Gainor
    • Observed from Brentwood Bay while raining – Lauri Roche
    • Just a glimpse from Taylor Beach in Metchosin, but spotted ISS – Bill Weir
  • Plaskett Images – Dan Posey
    • Composite image of the images over last few years 
    • Whirlpool Galaxy, Whale Galaxy, Deer Link Group NGC 7331, Fireworks Galaxy NGC 6946, M100, M63 Blackeye, NGC 3718 Arp galaxy, Hickson 44
    • Plaskett nights are for enjoyment and a reward for RASC Victoria members and volunteers
    • Review of techniques to process Plaskett image data into nice images
  • Skynews magazine – Bruce Lane
    • Review of upcoming articles
    • Please send Total Lunar Eclipse observing reports to Bruce (Editor)
  • Black Holes – Randy Enkin
    • M87 Black Hole – April 22, 2019 – Event Horizon Telescope
    • Sagittarius A* Supermassive Black Hole – May 16, 2022 – BBC Science Focus article
    • Galactic nucleus observed by Karl Jansky in 1931 – published in Nature, 173, 985-987, 1954
    • Angular resolution problem solved by the Event Horizon Telescope
    • Motion analysis of objects and energy near the Event Horizon of a black hole
    • Lauri Roche’s “black hole” birthday gift

Astronomy Cafe – May 9, 2022

Posted by as Astro Cafe

Meeting video transcript

  • Astronomy Day thank you’s to volunteers – Lauri Roche & David Lee
    • The in-person interaction was an engaging experience 
    • The younger volunteers were a real delight
    • Sidewalk astronomy from the museum plaza, with very good weather
    • History of Astronomy Day at the Royal BC Museum – Sid Sidhu
    • UVic, Camosun, Victoria High School, Shawnigan Lake School was a good collaboration
    • Galileo Moments
      • Daytime at the RBCM: more than 800 – 231 outside, 654 inside
      • Evening on Observatory Hill: 29 volunteers and more than 100 members of the public
    • A lessons learned meeting with leads – David Lee
    • Publicity worked pretty well – Chris Gainor
    • Hubble history book will be available at Astronomy Cafe next week – Chris Gainor
    • Public lectures – about 40 attendees for each of 4 presentations – Randy Enkin
    • Video recording for lunar observing national feed – David Lee recorded Randy Enkin and Bill Weir
    • Attendance compared with previous Astronomy Days? 
      • Despite a shorter day at RBCM, attendance was very good
      • Previous attendance was between 1,700-2,000 at our bigger events
    • A high quality experience for attendees and children’s activities front-and-centre was a good idea – Jim Hesser
    • Met some interesting people who were very interested in astronomy – Dave Payne
    • Offered to help people to make use of their telescopes – Dave Robinson
    • Astronomy Day – event info and photo gallery
  • M33 Triangulum Galaxy image – Randy Enkin & John McDonald
    • HII star formation region
    • Compared with Barnard’s Loop shock wave (10º)
    • Bubble is the form the shock wave takes caused by multiple stars
    • M33 is a floculant galaxy – clumping of hydrogen material
    • What is a “typical” galaxy? – Dorothy Paul
    • April 2017 Skynews article (PDF) – Orion’s Aura – Orion Eridanis Super Bubble – Reg Dunkley
  • James Webb Space Telescope progress report – Chris Gainor’
    • Image sharpness check completed for all instruments
    • Instrument Modes Check Off – happening next
    • Images will likely start in June or July
    • Diffraction spikes in the images – causes?
    • Difference fields of view for each camera/sensor
  • Special General Meeting at May 16th Astronomy Cafe – Randy Enkin
    • Need a quorum of 25 Victoria Centre members in attendance
    • Changes to ensure our bylaws consistent with the national bylaws
    • Our Secretary Jill Sinkwich is finding several parts of Victoria Centre bylaws that will need to be changed
    • Proposed changes are already sent out to members
  • Need volunteers for Astronomy Cafe – Randy Enkin
    • Zoom host – recording and posting the video transcripts online
    • Meeting host – tracks and runs the meetings
  • Star parties at Observatory Hill – Lauri Roche
    • May 21, Jun 4, 18
    • Every Saturday night after the July 1st break for the summer
    • Volunteers needed: telescopes in the parking lot, RASC welcome table, Plaskett dome tour hosts, 16″ telescope operators, other roles
    • Electronically-Assisted Astronomy – start planning to use at the Star Parties in future – contact Dave Lee
  • National General Assembly – June 24-27 (online) – Lauri Roche
    • Speakers, co-current sessions, virtual field trips
    • AGM
    • Seeking submissions from members to give half hour talks about their passion – submit form by May 15th – contact Lauri

Astronomy Cafe – May 2, 2022

Posted by as Astro Cafe

Video transcript of meeting

  • Intro – Randy Enkin
  • Astronomy Day – David Lee
    • Final check-in this Wednesday evening for leads before Saturday events
    • International Astronomy Day – May 7, 2022
  • Vancouver Island Science Fair intro to awardees – Randy Enkin
  • VI Science Fair: Light At Night – Beata Ariana-Minniti (Cedar Hill Middle School student)
    • Creating a bus stop light using natural resources
    • Parts: Thermoelectric generator, voltage regulator, LED light
    • Heat storage: sand in an insulated box
  • Canada-wide Science Fair: Lower CubeSat orbit could Protect Space Infrastructure – Nathan Hellner-Mestelman
    • CubeSats collide, creating dangerous space debris that orbits the Earth – Kessler Syndrome
    • Quantifying the collisions
    • Lowering the hazard: choosing best orbits, adding micro-thrusters to CubeSats to change orbit or de-orbit
  • Astrophotos from southern Arizona – John McDonald & Garry Sedun
    • Caldwell 30 galaxy
    • M33 Triangulum Galaxy
    • NGC 2903 barred spiral galaxy
    • IC 433 Jellyfish Nebula
  • Eclipse Crater Timing – Randy Enkin
  • James Webb Space Telescope Update – Chris Gainor
    • All onboard instruments are now in focus
    • Commissioning of instruments next, then science projects begin