Observation Challenges for February

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Year Beginner Intermediate Advanced Lunar

Messier 79
Globular cluster in Lepus
60,000 ly away from earth
8.56 apparent magnitude
8.7’ angular size

AKA the Horsehead Nebula
Emission nebula in Orion
7.3 apparent magnitude

Spiral galaxy in Taurus
Sits in the midst of the Pleiades
17.8 apparent magnitude

Rima Hyginus
A lunar rille that bisects crater Hyginus
220km in length
Deformed by various crater impacts


M1 - The Crab Nebula
Supernova remnant in Taurus
8.4 Magnitude
Visible in small telescopes, but details reserved for
larger instruments

The Rosette Nebula
Cataloged as Caldwell 49
Contains several objects:
NGC2237, 2238, 2239, 2244, 2246
Clusters easy in small scope, nebulosity might require a larger instrument at low magnification

Sharpless 2-301
Emission nebula in Canis Majoris
Approximately 9’ x 8’ in angular size
Best viewed with a large instrument, but you may need to use a UHC filter to draw it from the background sky

Alpine Valley Rille
Located on the floor of Valis Alpes
Rille in the centre of the valley
140km in length, but never more than 1km wide
At least 150x magnification required to see