Observation Challenges for March

oecheverri's picture

PDF version: 

Year Beginner Intermediate Advanced Lunar

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

2019 Messier 78
NGC 2068
Emission Nebula in Orion
About 8th magnitude in brightness
Roughly 8’ in size
Located about 2.5 ̊ of Alnitak
IC 418
AKA Raspberry Nebula
Planetary Nebula in Lepus
Approximately 9.3 in magnitude
It is rather bright, but tiny at only 12” in apparent size
Arp 82
Pair of interacting galaxies in Cancer
Individually catalogued as NGC2535 & 2536
13.3rd and 14.7th mag
Crater Bailly
Huge impact scar on the SW limb of the moon
303km in diameter — that’s over 9% the diameter of the moon
Classified as a walled plain
Best observed on lunar days 13 and 23-24, but highly foreshortened.