Observation Challenges for September

oecheverri's picture

PDF version: 

Year Beginner Intermediate Advanced Lunar

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