Observation Challenges for June

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  Beginner Intermediate Advanced Lunar
2020

Messier 64
AKA “Black Eye Galaxy”
Spiral Galaxy in Coma Berenices
~8th magnitude
10.7’ x 5.1’ apparent size

NGC 5529
Spiral Galaxy in Boötes
11th Magnitude in brightness
6.2’ x 0.8’ apparent size

NGC 6578
Planetary Nebula in Sagittarius
13.5th magnitude
8”x8” size

Crater Catharina
Ancient lunar impact crater
Located near Rupes Altai
100km wide
3.1km deep

  http://www.deepsky-visuell.de/Zeichnungen/NGC6578_27T.jpg
2019

Messier 13
AKA NGC 6205
Globular Cluster in Hercules
~22,200–25,000 light-years away
Apparent magnitude ~5.8
~23' diameter

NGC 3172
AKA "Polarissima Borealis" is a galaxy in Ursa Minor
Closest NGC object to the north celestial pole
~280 Mly distant

GC 6197
A 15th-magnitude lenticular galaxy (type SB0/a?) in Hercules
~454 Mly distant
"extremely faint, extended, stellar"

Rimae Alphonsus
Rille system on the floor of crater Alphosus.