Next Monthly Ottawa RASC meeting on Zoom - Friday 14 October 2022

Solar prominence, plages and filmants by Tony Peterson

Solar prominence, plages and filmants by Tony Peterson

Can it possibly be true that our Sun loses 30,000 blue whales' worth of mass every second... and that it's been doing that for billions of years? How many whales is that, anyway?

One way to know for sure is to join us for the RASC Ottawa Centre Zoom-inar Friday 14 October 7:30 PM Eastern Time (US and Canada). I keep offering free beer at the end of these things but no-one has taken me up on it yet.

Anyone looking to look out from this Earth is welcome.

Pre-register for this Zoom webinar (unless you are presenting a talk or observation) at

After registering, you will receive a confirmation email containing information about joining the webinar.

NOTE:  If you are presenting an observation you then will be sent a unique link (from Chris Teron) to join as a panelist and do not need to register.

Our very serious science-oriented agenda could include


AstroNotes 2022 September Vol: 61 issue 08

Download PDF version: 

RASC Astro-Imaging Certificates: Deep Sky - Rick Wagner (2022 September)


One of the series: 


Presentation content: 

FLO Update: Commisioning of the Rolf Meier and Paul Cimision Telecopes - Paul Klauninger, Richard Taylor, Rick Scholes (2022 September)

The Very Future of Canadian Astronomy as we Know It - Mick Wilson (2022 September)



Presentation content: 

Observation Reports 2022-09

PDF to download or print: 

Thanks to our observers: 

Oscar Echeverri
Mark Lilienthal
Jim Sofia
Richard Taylor
Bob Olson
Andrea Girones
Rick Wagner
Taras Rabarskyi
Tony Peterson

Meeting Video 2022 - September

Venue of Event: 


AstroNotes 2022 July Vol: 61 issue 7

Download PDF version: 

Observing Challenges for September

Year Beginner Intermediate Advanced Lunar

Messier 56
- A Globular Cluster in Lyra
- 8.3 apparent magnitude
- 8.8’ in diameter

NGC 6905
- Planetary nebula in Delphinus
- Also known as the “Blue Flash Nebula”
- 10.9 apparent magnitude
- 1.2 arc-sec in diameter
UGCA 429
- Lenticular galaxy in Pisces
- 15 apparent magnitude
- 0.9’ x 0.4’ in apparent size
- Lunar Impact Crater in southern highlands
- 145km in diameter
- 4.5km deep


Globular cluster in Sagitta
~13kly away
6.1 apparent magnitude
7’.8 in diameter
Spiral Galaxy in Pegasus
15th magnitude
1’ x 0’.6 apparent size
Einstein’s Cross
Quasar in Pegasus
Gravitationally lensed by galaxy
16.78 magnitude in brightness
2” in apparent size
Klaproth & Casatus
Double crater near southern limb of the moon
119 & 111km wide

Messier 110
Satellite galaxy of the Andromeda galaxy
Dwarf-elliptical galaxy
Mag 8.92

NGC 7354
Planetary nebula in Cepheus
12.9 magnitude

Palomar 13
Globular cluster in Pegasus
13.47 magnitude
2.2 arc-min diameter

Crater Timocharis
Lunar impact crater in Mare Imbrium
34km diameter
3.1 km deep


Messier 20
HII region in Sagittarius
Also known as NGC6514
Bright target at 6.3 apparent magnitude

Barnard 86
Dark nebula in Sagittarius
5.0’ in size
Opacity of 5
Sandwiched between NGC 6520 and 7th mag orange star

Abell 70
Planetary nebula in Aquila
14.3 apparent magnitude
Pretty small at only 42”
Also known as PK 38-25.1

Montes Harbinger
Located on the northwestern edge of Mare Imbrium
Covers an area about 90km 2


M27 - The Dumbbell Nebula
Planetary Nebula in the Constellation Vulpecula adjacent to Sagitta
8th Magnitude
Visible in small scopes

NGC 6946 - The Fireworks Galaxy
Spiral galaxy in Cepheus
9.6 Apparent Magnitude

NGC 6196
Galaxy in the constellation
Just south-west of M13
13.9 Apparent Magnitude

Rupes Recta
The “Straight Wall”
Best visible lunar days 8 and 22
Located in Mare Nubium