7:30 pm Session 15: Welcome; Satellites; The GREAT Dipper; Moon Maria; Cluster; Mercury
Wednesday, September 22, 2021 at 7:30 PM .
Would you like to know more about the night sky and what we can see? We welcome you to join us (via Zoom) once a month for a low intensity 45 minute presentation followed by Q&A. It’s ok if you missed the previous session, they’re mostly self-contained.
star chart: https://www.heavens-above.com/ choose Edmonton as location, find a satellite near 10 pm. Or download image below (posted a few days before)
Attend via Zoom meeting: https://us02web.zoom.us/j/89090457267
Recording of Session : https://youtu.be/DMBJUzcTWqs Next session: Oct 27, 7:30 pm
As Earth completes a near circle around the Sun, we will cover a range of topics that will help you earn the ‘Explore the Universe’ certificate and pin from the Royal Astronomical Society of Canada. These include:
- Finding your way around the sky
- Moon, Sun, and planet cycles
- Explore the Universe Certificate
- Eyes, binoculars, telescope basics
- Star clusters, craters on the Moon, comets
- Rings of Saturn, Jupiter’s clouds and moons
- Using the wonderful RASC Observer’s Handbook
Links to tools, charts, guides:
- Moon Map: Free
– Dynamic NASA map with labels
– Randy Enkin’s 1h youtube Intro tothe Moon - Binoculars:https://skynews.ca/choosing-binoculars-for-stargazing/
RASC (national) 1.5h Youtube Intro: https://www.youtube.com/watch?v=d6X4_S33XDk - Books: Nightwatch by Terence Dickinson (old editions are fine!)
– Complete Guide to Stargazing by Robin Scagell - Magazines: Skynews, Astronomy
- Explore the Universe: https://www.rasc.ca/explore-universe Revised 3rd edition
- Free star web/desk app: https://stellarium.org/
- Space Station and satellites: https://www.heavens-above.com/
Summer-Fall evening sky, with ISS pass

Some ISS passes:

Mercury at 1.0012 days to keep Sun same el Date mag Alt Azim Sun el ---- --- ------ ------ ----- 15 Oct 2021 7:06:30 1.9 0.87 98.45 -8.9 16 Oct 2021 7:08:13 1.5 2.27 99.58 -8.9 17 Oct 2021 7:09:57 1.1 3.50 100.64 -8.9 18 Oct 2021 7:11:41 0.7 4.56 101.62 -8.9 19 Oct 2021 7:13:24 0.4 5.44 102.54 -8.9 20 Oct 2021 7:15:08 0.2 6.15 103.38 -8.9 21 Oct 2021 7:16:52 -0.0 6.70 104.17 -8.9 22 Oct 2021 7:18:35 -0.2 7.10 104.89 -8.9 23 Oct 2021 7:20:19 -0.4 7.36 105.56 -8.9 24 Oct 2021 7:22:03 -0.5 7.49 106.18 -8.9 25 Oct 2021 7:23:46 -0.6 7.51 106.75 -8.9 26 Oct 2021 7:25:30 -0.6 7.43 107.28 -8.9 27 Oct 2021 7:27:14 -0.7 7.26 107.78 -8.9 28 Oct 2021 7:28:57 -0.7 7.02 108.24 -8.9 29 Oct 2021 7:30:41 -0.8 6.71 108.68 -8.9 30 Oct 2021 7:32:25 -0.8 6.34 109.09 -8.9 31 Oct 2021 7:34:08 -0.8 5.93 109.48 -8.9 1 Nov 2021 7:35:52 -0.8 5.47 109.85 -8.9 2 Nov 2021 7:37:36 -0.8 4.99 110.21 -8.9 3 Nov 2021 7:39:19 -0.9 4.48 110.55 -8.9 4 Nov 2021 7:41:03 -0.9 3.95 110.88 -8.9 5 Nov 2021 7:42:47 -0.9 3.40 111.19 -8.9 6 Nov 2021 7:44:31 -0.9 2.85 111.49 -8.9 7 Nov 2021 7:46:14 -0.9 2.28 111.78 -8.9 8 Nov 2021 7:47:58 -0.9 1.71 112.06 -8.9 9 Nov 2021 7:49:42 -0.9 1.13 112.33 -8.9 10 Nov 2021 7:51:25 -0.9 0.56 112.60 -8.9 11 Nov 2021 7:53:09 -0.9 -0.02 112.85 -8.9 12 Nov 2021 7:54:53 -0.9 -0.59 113.09 -8.9 13 Nov 2021 7:56:36 -0.9 -1.16 113.32 -8.9 14 Nov 2021 7:58:20 -0.9 -1.72 113.54 -8.9 15 Nov 2021 8:00:04 -0.9 -2.28 113.75 -8.8