Meeting Video 2020 - November

Venue of Event: 


AstroNotes 2020 October Vol: 59 issue 10

Download PDF version: 

Editor’s Message . Volunteering .Ottawa Skies . Smartphone Astronomy . Adventures in Alignment . Monthly Challenge Objects . Submitted Images . Estelle’s Pick of the Month . Carp Star Parties . FLO Star Parties . Next Meeting . Centre Information



Meeting Video 2020 - October

Venue of Event: 


Featured Presentation(s): 

Regular items:

Ottawa Skies - Dave Chisholm
M&M Challenge (over the 5-minute break)
Observation reports
Monthly Observation Challenges


Observing Challenges for October

oecheverri's picture
Year Beginner Intermediate Advanced Lunar Solar System

Messier 33
Spiral Galaxy in Triangulum
Also known as “The Triangulum Galaxy”
Magnitude 5.7
2.73Mly away

NGC 7009
Planetary nebula in Aquarius
Also known as “The Saturn Nebula”
Magnitude 8.0
41”x35” in size

Nebula in constellation Cepheus
Also known as “The Elephant’s Trunk”

Solis Lacus
Officially known as Solis Lacus
Variable surface feature of Mars
Variability thought the be caused by dust storms


Messier 74
Spiral galaxy in Pisces
10th magnitude
10.5’ x 9.5’ in size
Sometimes called the “Phantom Galaxy”

Caldwell 33
Also known as the Veil Nebula
Supernova remnant in Cygnus
7th magnitude
OIII filter helps quite a bit

Spiral galaxy in Pegasus
13.6 apparent magnitude
1.6’ x 1.2’ apparent size
First object observed by Heinrich d’Arrest in 1860

Palus Epidemiarum
Small lunar mare on the south western part of the moon
Southwest of Mare Nubium
Covers an area about 286km in diameter

Observing Challenges for March

oecheverri's picture
Year Beginner Intermediate Advanced Lunar
2021 NGC 2392
Planetary Nebula in Gemini
~6500ly away
Known as the “Clown-faced Nebula”
48”x48” apparent size
NGC 2440
Planetary Nebula in Puppis
~4000ly away
74”x42” apparent size
Palomar 1
Globular Cluster in Cepheus
~36,000 ly away
2.8’ apparent size
Fra Mauro
Remains of a walled plain whose centre is intersected by longitudinal clefts
East of Mare Insularum and Mare Cognitum


Messier 65
Also catalogued as NGC3623
35MLy away in Leo
Part of the “Leo triplet”
10.25 apparent magnitude

NGC 2438
Planetary nebula in Puppis
2900ly away
10.8 Apparent magnitude
1.1’ in apparent size

Palomar 4
Globular Cluster in Ursa Major
At least 65,000ly away, further than SagDEG satellite galaxy.
Originally believed to be a dwarf galaxy named “Ursa Major Dwarf”

Crater Aristoteles
Impact creator on the southern edge of Mare Frigoris
87km in diameter
3.3km deep