Astronomy Cafe – March 20, 2023

Posted by as Astro Cafe

Video transcript of the meeting

  • Vernal Equinox Today – Jeff Pivnick
    • Caused by axial tilt of the Earth
    • Celestial Equator intersects with the Ecliptic
    • Babylonians picked 12 constellations 3,000 years ago, but Ptolemy named them later
    • Declination and Right Ascension coordinates are referenced to the equinox
  • Astronomy Day – Lauri Roche
    • Sunday, April 30th 11AM – 4PM at Bob Wright building lobby at UVic
    • Free parking on outside of the Ring Road in Lot 1
    • Setup is Saturday afternoon
    • Leads
      • UVic Site Manager – Sam Fielder
      • Technical Support – David Lee
      • Welcome Table – Marjie Welchframe
      • Telescope Show & Tell – Bill Weir
      • Children’s Astro Crafts – Rachel & Ryan Holmes
      • Astrophotography – Brock Johnston & Dan Posey
      • Responsible Lighting – Dave Robinson
      • Planetarium – need a lead to used Starry Night on TV
      • Solar Observing outside – Alex Schmid, Sid Sidhu
      • Ask An Astronomer –  need a lead and 3 or 4 astronomers (UVic students?)
      • Speakers – Lauri Roche
        • 3 speakers signed up, 3 to go
        • 20-minute talks
    • FDAO, NRC, Science Venture, Camosun College, Mt. Doug High, Vic High & Oak Bay High
    • Tour of the Bob Wright telescope
    • Need volunteers – 2-3 shifts is ideal – contact Lauri Roche roche.lauri@gmail.com
    • Saturday, April 29th 7-11PM Star Party on Observatory Hill
  • Open House – Centre of the Universe – March 25 – Lauri Roche
  • Victoria Centre Observatory – Randy Enkin
    • Will open to members once the road is open
  • Standing Where Ansel Adams Stood – Randy Enkin
    • Moon and Half Dome – Dec 28, 1960
    • When the Light, Shadow and Stars Aligned: Standing Where Ansel Adams Stood – Kim Beil, NY Times
    • Ansel Adams joined Sierra Club Outings
    • Kim Beil found the exact spot where Ansel Adams took his famous Moon and Half Dome photo, and determined four possible dates based on the star field and Moon
    • 6:47AM on Aug 6, 1936 – date/time of famous photo
  • Meetings
    • Social Dinner – March 27th – contact Randy to attend at Moon Under Water Pub on Bay St.
    • Council Meeting – March 28th – 7:30PM
      • Open to all members
      • Budget for coming year – we have funds to spend!
  • Vancouver Island Regional Science Fair – Dorothy Paul
    • April 16th
    • 100 projects, 150 students
    • Need some specialty judges from RASC – about 2 hours
  • Astrophotos from members
    • Moonrise from Clover Point – Randy Enkin
    • Jones-Emberson 1 Bubble planetary nebula – Brock Johnston
  • 2023 RASC General Assembly – May 5th – May 7th, 2023
    • No business meeting, just fun meeting and interacting with everyone – Bill Weir
    • Speakers list almost complete – Lauri Roche
    • $35 admission for members to participate for three days
  • Vic High Astronomy Deck – Clayton
    • Mitigate the light pollution at the site – discussion of strategy
    • New 12″ Skywatcher funded by a generous donation
    • City of Victoria will install shields on the streetlights

There will not be an Astro Café next week in order for the RASC Victoria Centre Social Dinner to take place. Please RSVP to Randy president@victoria.rasc.ca by March 19 if you would like to attend.

Next Astronomy Cafe in 2 weeks – April 3

President’s Message – March 2023

Posted by as President's Message

Randy Enkin
Randy Enkin

I’ve been something of an amateur astronomer since I was little. I like to say it was the Apollo missions that sparked my interest – all my friends wanted to be astronauts – but I thought the astronomers on the ground had the really interesting jobs. My observations of lunar phases started back in 1990 and I have dabbled in other astronomical projects since. After the 2017 Solar Eclipse, I decided to buy a better telescope, and then another, and now we’re at a dozen!

But the biggest thing that happened after the eclipse, was getting invited to give at talk at the Victoria Centre Astro Cafe. And I got to meet this wonderful community – this set of interesting and entertaining people. And then, two years ago, you elected me President of the Victoria Centre of the Royal Astronomical Society of Canada. There’s nothing like being president to get to know people and learn what’s going on in a group! Fortunately, our community is strong with enthusiasm and volunteerism. We get stuff done!

We successfully made the transformation to online events and then to hybrid events. We have continued outreach events, such as the International Astronomy Day, the Saanich Fair, and the Fall Fairfield. We have started new programs like our Special Interest Groups and the Sky Darkness Survey. We have combined our star party with the Cowichan Valley Starfinders’ star party to develop a unified Island Star Party, which we hope can thrive for decades.

We have successfully developed and ushered in a new set of bylaws, to bring our community into the electronic age and provide for a smaller, more supple board of directors. And we have a promising set of executives and directors nominated to lead us into the future.

Thank-you for two excellent years. I often feel more like a cheerleader than a leader. But mostly, I feel I have found my people. I look forward to seeing photos and sketches of the sky: in emails, social media, and in SkyNews. I love learning about the sky at Astro Cafe. I love having people with whom I can share my learning about astronomy.

As we look forward to the new year of the Victoria Centre, we also remember to Look Up!

Look Up,
Randy Enkin, President@Victoria.RASC.ca

Astronomy Cafe – March 6, 2023

Posted by as Astro Cafe

Video transcript of meeting

  • Randy Enkin (video recording)
    • Venus-Jupiter Conjunction
      • Some great photo taken of the conjunction both by members and others
      • Venus can be up to 47º away from the Sun
      • Venus-Jupiter Conjunctions 1990-2060
      • March 1st conjunction – Venus-Jupiter had 0.5º separation
    • Victoria Centre’s Annual General Meeting – March 13th (virtual)
      • Need 25 members for a quorum
      • Links to Zoom sent to members along with supporting documents
      • Social dinner at the Moon Under Water Pub to be held on March 27th
  • The Hunt for the Culprit  – Part 2 – Reg Dunkley
    • Jan 9th – Part 1 was presented
    • Iron 60 and Supernovae relationship
    • Are Supernovae responsible for climate change on Earth?
    • Star formation near the Sun is driven by expansion of the Local Bubble by Catherine Zucker, et. al. – Jan 2022
    • Caroline and William Herschel
    • GAIA – astronomical big science, inspired an astronomical gold rush
      • ESA video on GAIA
      • 3D map of the Milky Way
      • Photometric instrument
      • Measures: Brightness, positions, proper motions, radial velocities, spectra
      • 11 years of data, 150 complete surveys of the sky
      • How this data is being used – a review
    • Interstellar Extinction
    • H-R Diagram: Colour Index vs Magnitude
    • 3D Mapping of Interstellar Dust
    • The Local Bubble – dust map
    • Traceback of Star Cluster
    • Idealized Model for Local Bubble Evolution – Stellar and Solar Orbits animation
    • Location of the Culprit
    • Summary of Zucker et al findings
    • A Golden Opportunity!
      • Data freely available along with analysis routines
      • Do some citizen science?
    • Radcliffe Wave by Brian Ventrudo
  • Special Interest Groups – David Lee
    • Beginners SIG – tomorrow evening
    • Citizen Science SIG – Thursday evening – sign up with David Lee
  • Photos & Observations by members
    • Venus-Jupiter conjunction from Hawai’i – photo of closest approach (0.5º) by Dave Payne
    • Jones-Eberson Bubble planetary nebula – photo by Brock Johnston
      • Jones 1 in Pegasus – next object to try for – Bill Weir
    • Explore the Universe observing program – Marjie Welchframe
    • Moon-Jupiter-Venus conjunction on Feb 23 – iPhone photo taken from the city by Doug Hardy
    • Photos – Ken McGill
    • Moon-Jupiter-Venus conjunction on Feb 23 – Marjie Welchframe
  • Reports – Lauri Roche
    • Centre of the Universe Open House on March 25-26
    • RASC Online General Assembly (no AGM)
      • Virtual tours of DDO and DAO (7-8pm on Fri)
      • Poster sessions – April 1st call for papers
    • RASC National AGM – June 25th (virtual)

Astronomy Cafe – Feb 27, 2023

Posted by as Astro Cafe

Video transcript of the meeting

  • The Birds, Pacific Victoria Opera – Randy Enkin
    • Featured the Moon
    • Land of the Birds
    • Funny and serious story
  • Zodiacal Light – Randy Enkin
    • APOD photo showing both Venus and Jupiter in the middle of the light spire
    • Brian May showed the Doppler Shift in the Zodiacal Light, finished his thesis 30 years after starting the research before his music career with Queen
    • Photos of the Zodiacal Light by Victoria Centre members John McDonald and Joe Carr
  • Citizen Science – David Lee
    • Definitions – Sky & Telescope, NASA, SpaceHack
    • Concise instructions given to participants/contributors
    • Data archive used to share observations
    • Community shares their skill sets in the interest of collaboration
    • Light Pollution – Globe At Night
      • 6 easy steps
      • February & March campaigns
      • New constellations to observe each month
    • Variable star observations – AAVSO
      • Beginners SIG observed Algol last summer
      • 54 million variable star observations
    • Astronomy-focused citizen science projects – S&T>Get Involved>citizen-science-collaboration
    • Citizen Science – new SIG
      • Thu, March 9th 7:30pm
      • Contact David Lee to participate – email
    • Galaxy Cruise – Japan
      • Images from Subaru telescope on Mauna Kea, Hawai’i
      • Introductory demonstrations
      • Radio observations during solar eclipses
  • Big Changes at RASC National – Bill Weir & Chris Gainor
    • Skynews magazine ceasing operation
    • Robotic Telescope – project terminated
    • Staff departures at the national office, including Phil Groff, Executive Director
    • Charles Ennis, RASC President – sent out a note to the national RASC email list
    • History and perspective on RASC financial woes – Chris Gainor
  • Comet C/2022 E3 ZTF photos & sketches – Brock Johnston
    • Jan 19th – earliest taken by David Lee
    • Collection of comet photos taken by Victoria Centre members 
    • Photographers & sketchers: Lucky Budd, Bill Weir, Dave Payne, David Lee, Dan Posey, Alec Lee, Brock Johnston, Ron Fisher
    • Feb 23rd – last image taken
  • Underground Railway & Night Sky by Amy Archer – Lauri Roche
    • Suggest Amy to be a speaker to RASC Victoria Centre
  • Odd-looking crater feature observed – Bill Weir
    • South of Short crater
    • Appeared as 4 white dots visually
  • Astronomy Day – Randy Enkin & others
    • FDAO holding Astronomy Day on Observatory Hill – April 29th
    • RASC will hold Astronomy Day on April 30th – Bob Wright building at UVic – need a coordinator
  • Victoria Centre Annual Events – Randy Enkin
    • AGM – March 13th online (members only)
    • Dinner, celebration and social event – March 27th in-person (members & guests)

Skynews is closing

Posted by as News

Vintage editions of Skynews

After nearly three decades, the Royal Astronomical Society of Canada has announced that SkyNews will be shutting down at the end of February 2023. While it is sad to say goodbye, we are proud of the work that has been published and of the community that supported the magazine for so many years.

Skynews magazine

Update: The article I quoted above no longer appears on the national Skynews website. It appears the national RASC Board is still considering options about Skynews magazine.

As a life member of the Royal Astronomical Society of Canada (RASC), I’m sad to see Skynews end. That said, I can reassure my fellow RASC Victoria Centre members that our local Skynews newsletter will continue to be published. It is the RASC National Skynews magazine (using the same name) which will no longer be published due to what appears to be a continuing poor market for speciality glossy publications. RASC tried to keep Skynews afloat and relevant after it was purchased from the previous publisher Terry Dickinson, but in recent years the magazine proved to be too much of a drain on the finances at the national level. The RASC National Board consulted with RASC Centre executive over the last few weeks, but in the end, this difficult decision had to be made.

Skynews provided a good balance of interesting articles, observing hints and tips, some cosmology, astronomy and space news, and a forum for night sky photography and gear reviews. Skynews was a less-intimidating entry point to astronomical subjects for beginning enthusiasts, and being focused on Canadian astronomy, it highlighted how to pursue our hobby from northern latitudes.

Skynews on Youtube
Skynews on Youtube

Skynews also provided an opportunity for RASC to reach out to people interested in astronomy who were not members. RASC Victoria Centre used the magazine at public events such as Astronomy Day to promote interest in astronomy to the wider community.

I hope some of the contributors to Skynews will find opportunities to continue to write about Canadian amateur astronomy, observing the night sky, and issues that affect us as astronomers. It would be great to see the skynews.ca Domain name be retained by RASC for the promotion of amateur astronomy in Canada. Perhaps the website could be used to encourage up-and-coming Canadian journalists who have an interest in astronomy and space. The Skynews Youtube channel is also a valuable asset worth nurturing and keeping up-to-date, but some resources from RASC will obviously be needed.

Joe Carr, Webmaster

SkyNews - March/April 2023
SkyNews – March/April 2023

March 2, 2023 – I received my last issue of SkyNews magazine today, a week after posting my thoughts (above) about the loss and the possibilities going forward. It’s sad to read about Carina’s new column planned for astrophotographers, Phil Groff’s wish to finally be free of the pandemic restrictions to fulfill his plan to visit RASC members across the country, Nathan’s 2023 Galactic Travel Guide, and other articles giving observing hints and targets for the coming months under Spring skies. So much optimism that now goes up in smoke since SkyNews will no longer be there to help those of us who are amateur astronomers in Canada to pursue our passion.

Thanks go to all the current and past contributors to SkyNews, who made this publication come alive, and also thanks to the advertisers who supported the magazine. Finally, thanks to RASC National for owning and operating the magazine over the last few years.

Astronomy Cafe – Feb 6, 2023

Posted by as Astro Cafe

Video transcript of meeting

  • Silent Sky at Langham Court Theatre – performances Jan 25 to Feb 11
    • Positive comments from RASC members who attended performances, especially Sara Ellison’s presentation at the end of the Sunday afternoon performance.
    • Full bus from Berwick House attended the Sunday afternoon performance
    • Lots of seats are available for Wed, Thu & Fri upcoming performances
    • History of the production by Jim Hesser
  • Welcome from Jeff Pivnick
  • Beginners’ SIG – tomorrow evening – David Lee
  • Special General Meeting – Feb 13, 2023 – Randy Enkin
    • Need to adopt new bylaws for Victoria Centre
    • Presentation: A Brief History of Galaxies… – Sara Ellison
  • Black Holes
    • How can a black hole conserve angular momentum? – Randy Enkin
      • Conservation of angular momentum examples
        • Solar system
        • Earth-Moon system
      • Black Holes – 1915 Albert Einstein, 1916 Karl Schwarzchild (point singularity), 1963 Roy Kerr (ringularity)
    • What really happens at the black hole singularity? – John McDonald
      • Black Holes can be explained somewhat by Gravity (very large things) and Quantum Theory (very small things)
      • What happens to information that falls into a Black hole? We don’t know.
      • Black Holes are not likely a singularity, so it’s unknown what form they actually take
      • Entropy – measure of the disorder of things
  • Uranus – Jeff Pivnick
    • Relative distances of planets in solar system
    • Distance from the Sun to Saturn is about the same as the distance from Saturn to Uranus
    • Photos of Uranus taken by John McDonald and Lucky Budd – Zenfolio | RASC Victoria Centre | Search
    • William Herschel, an astronomer, reflecting telescope maker, musician and composer
      • Discovered Uranus on March 13, 1781
      • Discovered infrared light
      • Caroline Herschel – first professional astronomer (paid by the king)
      • NGC list was first compiled by the Herschels
  • Horizons – Dorothy Paul
    • Observed from the White Mountains of California in October 2022
    • Camped for 10 days with 7 days of good observing skies
    • SQM at least 21.8, with good transparency and stability
    • Dorothy and Miles observed the southern sky from 38.5º north, observing the Grus constellation at -50º altitude!
    • Observed stars right down to the True Horizon at -51.5º
    • Discussion of the term Astronomical Horizon
  • Comet C/2022 E3 (ZTF) photos – Dave Payne
    • Globular Cluster discovered by Caroline Herschel
    • Comet C/2022 E3 (ZTF) on Jan 28th
    • Diatomic carbon causes the green colour in many comets, including this one
  • RASC Victoria AGM tentatively to be held on March 13, predicated on the new bylaws being passed.

Astronomy Cafe – Jan 30, 2023

Posted by as Astro Cafe

Video transcript of the meeting

  • Special General Meeting – Feb 13, 2023
    • Adopting amendments to the Centre’s Purposes (under our Constitution) and Bylaws for RASC Victoria Centre – requires a 2/3 vote by members
    • This meeting will be held at the start of Astro Cafe that evening
    • Quorum is 25 members
    • Proxies to exercise your vote can be given to another RASC Victoria member who will be attending
    • After the business meeting: Sara Ellison, Astronomy Professor at the University of Victoria, will present A brief history of galaxies: from the discovery of island universes to clash of the titans.
  • Comet C/2022 E3 ZTF – Dave Payne
    • Reviewed data acquisition and processing methodology
    • 8 second and 2 minute exposures over two nights used
    • Preliminary results, including video showing the comet’s motion through the sky
    • Members’ comet observing stories
  • Angular Momentum – Marie Welchframe
    • APOD image from a couple of days ago used the term “angular momentum”, so Marjie looked it up
    • Video explaining angular momentum for kids – law of physics
    • Group discussion: what happens to angular momentum when….
  • FDAO Astro Jeopardy – Lauri Roche
    • James, Ben & Dan were the contestants last Saturday evening
    • One unanswered question: /Which planet has the most moons?/ Unanswered so far. Saturn (83) or Jupiter (80) according to NASA.
  • Astronomy in Victoria – John McDonald
    • A presentation to Berwick House residents
    • Reviewed Plaskett’s work, DAO imaging exoplanets, forming stars
    • RASC out reach and in reach
    • Silent Sky at Langham Court Theatre – Play at Langham Court about Henrietta Leavitt
    • Laurie and Calvin presented four times in the past at Berwick a few years ago
    • Discussion of Christian Marois’ discovery of the first imaged exoplanet
  • Virtual presentations from RASC National – Lauri Roche
  • RASC Victoria Centre Picnic at Pearson College – Bill Weir
    • Late August would be best
  • AAS conference in Seattle – Chris Gainor
  • RASC Victoria AGM tentatively to be held on March 13

Astronomy Cafe – Jan 23, 2023

Posted by as Astro Cafe

Video transcript of meeting

  • Cowichan Valley Starfinders (CVSF) – Brian Robilliard  and Ed Nicolas
    • 30 members at the peak, but now very few members
    • 5 members left to run the star party, which is not enough coverage for ISP
    • CVSF meetings held at Brian’s place until pandemic
  • Island Star Party (ISP) – Brian Robilliard and Ed Nicholas
    • ISP History
      • 27 years ago, the ISP was held at a member’s farm
      • Moved ISP to the Duncan Airport
      • Moved to the Victoria Fish and Game on the Malahat, including a joint star party with RASC Victoria in 2009
    • Observing field is reserved for this year’s event at Bright Angel Park – Aug 11-13, 2023
    • Perseids under a New Moon should be a good show on the morning of the 13th
    • Accommodation and Transportation
      • Tenting and RVs welcome on the observing field
      • Driving from Victoria to Bright Angel Park is less than an hour
      • Guest houses and hotels are available in the Cowichan Valley for those who do not want to camp
    • Discussion of field setup
    • Volunteers needed
      • Promotion – Joe Carr
      • Door Prizes – Bruce Lane?
      • Speakers – 
      • Nature Walk – Cowichan Valley Natural History Society
      • Food vendors would require an additional permit
      • Volunteer-run BBQ can work – pay by donation
      • Dave Payne is coordinating with CVSF
      • Setup, teardown –
    • Finances and Equipment
      • Tents, tables and other ISP gear – new storage site needed
      • Overnight campers – charge a fee
      • Drop-ins – no charge
      • CVSF can contribute some funds
      • To-do List – Brian
      • Dave Payne will ensure our national event insurance will cover the ISP event
      • Tent rental will be needed
  • Venus-Saturn Conjunction – Randy Enkin
    • Weather in Victoria was frustrating
    • iPhone photo through a 400mm telescope – Chris Purse
    • Better conditions elsewhere in the world
  • Comet ZTF C/2022 E3 – Randy Enkin
    • Star chart – passing between the Big Dipper and Little Dipper
    • Observing hints –
      • easy observing with binoculars or telescopes
      • higher altitude in the early morning hours
    • Getting brighter as the comet is nearer to Earth – maybe Magnitude 5 by mid-February
    • Review of comet photos found online
    • Members who have observed the comet – Reg Dunkley, Mike Webb, Bill Weir
    • How to observe this comet – space.com
    • Comet disconnection event photo by Adam Block from Arizona
  • FDAO Star Party – Lauri Roche

Astronomy Cafe – Jan 16, 2023

Posted by as Astro Cafe

Video transcript of meeting

Dr. Laurie Rousseau-Nepton is an astronomer in residence at the Canada France Hawaii Telescope (CFHT). She received her PhD from Université Laval and is the principal investigator for the SIGNALS project. This is a large survey program aiming at observing over 50,000 resolved star-forming regions in nearby galaxies.

  • Resident astronomer at CFHT for the last 6 years
    • Started at Mont Megantic with SpIOMM instrument – spectral imager
  • SITELLE – Spectral imager
    • Started building the instrument in 2010
    • Acquires both spectra and an image of each object
    • 2017 – Instrument shipped to Hawai’i
  • Canada-France-Hawaii telescope
    • Some issues with weather (snow, clouds), earthquakes (volcanoes), but lots of clear and stable nights
    • Timelapse of telescope operation
  • Science
    • Big Bang
    • First stars formed
    • New elements
    • First galaxies formed
    • Stellar clusters form into stars
    • Stellar Initial Mass Function – stable through the whole Universe?
    • OB massive stars in H2 regions – Laurie’s study area
  • SITELLE – how it works
    • Michelson Interferometer – emission lines
    • Data cube has both imagery and spectra
  • SIGNALS – Star formation, Ionized Gas, and Nebular Abundances Legacy Survey
    • Large, multinational group of researchers
    • Star Formation Rate & Efficiency
    • Stellar Initial Mass Function
    • 9 fields to cover M33
    • More than 30,000 HII regions currently in the survey
    • Supernova remnants as well
  • U of T – new job at a development lab
    • Building a new generation of SITELLE
    • Imaging spectrograph at much higher resolution
    • The resulting instrument needs a large aperture telescope
  • Q&A
    • A dynamical Model – stellar winds affect dense molecular clouds – clumping and finger structures
    • Each pixel of data has their own interferogram
    • Initial Mass Function – huge amount of data
    • Changing instruments and telescope time at CFHT – ranking of proposals – technical and science
    • Mauna Kea Spectra Explorer – an upgrade to CFHT
      • Bigger aperture instrument
      • Using 20,000 optical fibres are part of the plan
    • Culture of astronomy – accommodating diversity and promote inclusivity
      • Mauna Kea is a sacred site
      • Include local aboriginal teachings in presentations at local astronomy groups
      • Learn some of the language used by first nations when they talk about the night sky
    • Is SITELLE technology used elsewhere?
      • Straight IR is being used in other instruments
      • The “perfect” beam splitter used by SITELLE is unique
      • Software to analyze the SITELLE data is unique
      • Size of the SITELLE detector and data throughput is also unique
    • DAO work being used by CFHT?
      • Spectroscopy innovations and staff
      • Adaptive optics systems
    • How did you get involved in astronomical research?
      • Asked a lot of questions about astronomy as a child
      • Enjoyed physics at the university

Silent Sky  at Langham Court Theatre – performances Jan 25 to Feb 11

  • Story of Henrietta Leavitt and her astronomical research done a century ago
  • Jim Hesser is the scientific advisor
  • Members of RASC urged to enjoy this performance
  • Special presentation by Sara Ellison at the Feb 5th afternoon performance

Observing Notes – Randy Enkin

  • Observers Handbook – Conjunction of Venus & Jupiter – Jan 21/22 – half a degree from Saturn just after sunset. In fact, the conjunction should be visible before sunset.
  • Sat 28th at 8PM – Uranus being occulted by the Moon
  • Comet C/2022 E3 ZTF – observable in the early morning hours – Sky At Night

Makers SIG – meeting online this Thursday – David Lee

RASC Publications for sale – contact Lauri Roche by email

  • 2023 Night Sky Almanac – good for planning your observing
  • Explore the Moon $10
  • Explore the Universe $10
  • 2023 RASC Observers Calendar – 2 left at $15 each

Observatory Hill road update – Lauri Roche

  • Probably another couple of months before the road is open to the public

Astronomy Cafe – Jan 9, 2023

Posted by as Astro Cafe

Meeting transcript video

  • Intro – Randy Enkin
    • We still don’t have approval to hold monthly meetings at UVic, so speakers will continue to present at Astronomy Cafe
  • Learning Astrophotography – Reg Dunkley
    • Dec 6th Astro Cafe presentation by Ron Fisher on his adventures learning astrophotography – thanks Ron!
    • Victoria Centre Observatory can help members to start taking astrophotos using our centre’s gear once the VCO reopens – soon now. Bring your own dSLR to use on our Takahashi refractor, or use our 61 mpix mono astro camera on our OGS Ritchey–Chrétien telescope.
  • Far Side Amateur Astronomers Observing a Supernova – Reg Dunkley
  • Laurie Rousseau-Nepton from CFHT is the speaker for next week’s Astro Cafe – Dave Payne
    • Hydrogen star-forming regions
    • Observing with the SITELLE sensor on CFHT
  • RASC Edmonton Astrophotos – Dave Robinson
    • WR134 Wolf-Rayette star and region – Abdur Anwar
  • Sunrise, Sunset and the Path of the Sun – Randy Enkin
    • Why does the shortest day not happen at Winter Solstice? – question posed by Marjie Welchframe
    • Obliquity – plus or minus 8 mins variability for a “day” – tilt of the ecliptic to the equator
    • Eccentricity – Kepler’s Second Law – causes variation between civil time and solar time
    • Sun compass – uses local solar tip and longitude, corrected for DST
  • SIGs – David Lee
    • Beginners Group – back to basics
    • Electronically-assisted Astronomy – winding down
    • Citizen Science – starting up
    • Astrophotography – had a meeting in Dec, and will report to Astro Cafe in a couple of weeks
    • Makers – David building an “environment box”
  • President’s Announcements – Randy Enkin
    • Soliciting feedback from members on the new proposed bylaws by Jan 15th – send to Secretary and President.
    • Special meeting to adopt the new bylaws
    • Hold AGM under (hopefully) new bylaws
    • Members should consider standing for election to an officer’s position – contact Reg Dunkley, Nominations – email
  • Handbooks for Explore the Universe and Explore the Moon are available at $10 each. Also some 2023 RASC Observers calendars are still available at $15 each. Contact Lauri Roche by email
  • Observing Opportunities