Observation Challenges for July

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Year Beginner Intermediate Advanced Lunar

Messier 4
Globular Cluster in Scorpius
~6th magnitude
26’ apparent size

NGC 6503
Spiral Galaxy in Draco
10th magnitude in brightness

Simeis 57
Emission nebula in Cygnus
Also known as the “Propeller Nebula”
23’ x 4’x apparent size
Very subtle object!

Crater Wöhler
Lunar impact crater
Located in crater field Rabbi Levi
27km wide
2.1km deep


Messier 92
NGC 6341
Globular cluster in Hercules
Fairly bright ~6.5th magnitude
Often overlooked due to proximity of M13

NGC 6210
AKA The Turtle Nebula
Planetary nebula in Hercules
9.2 Magnitude in brightness

IC 1296
Spiral galaxy in Lyra
14.8 magnitude
0.9'x0.5' size
Located just 4' northwest of M57220

Apollo XI Landing Site
Located in Mare Tranquilitatis
South of crater Moltke
North of craters Armstrong, Collins and Aldrin


• An optical double star in Cygnus
• Designated as Beta Cygni
• 2 components of very different colouring

M20 - The Trifid Nebula
• HII Region in Sagitarius

IC 1396 - The Elephant Trunk
• Interstellar cloud of gas and dust in the constellation Cepheus

Crater Gassendi
• Lunar impact crater on the northern ridge of Mare Humorum
• 110km in diameter, 1.9km deep
• The rim varies in height from as little as 200m to as high as 2.5km.