Are interstellar gas clouds. Types of nebulae include, emission nebulae, planetary nebulae, reflection nebulae, supernova remnants and dark nebulae.

M42 The Great Orion Nebula is a spectacular emission nebula visible with the naked eye (credit:- NASA, ESA, M. Robberto, Space Telescope Science Institute)

Glossary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


Sky Highlights - February 2017

Comets
Comet Encke (2P/Encke) now visible in the western sky during evening twilight
Now is the last good chance to see comet 45P/Honda-Mrkos-Pajdusakova before it dramatically fades

Conjunction
Mars passes less than 1 degree north of Uranus on February 27th

Minor Planet
Vesta now visible with binoculars and small telescopes.

The Planets
This Month's Guide

Algol Minima
Algol eclipse dates and times for February 2017

Northern Hemisphere
Evening
Southwest:- Venus (mag. -4.8), Mars (mag. +1.1 to +1.3), Uranus (mag. +5.9)
Midnight
East:- Jupiter (mag. -2.1 to -2.3)
Morning
South:- Jupiter
Southeast:- Saturn (mag. +0.6)

Southern Hemisphere
Evening
West:- Venus, Mars, Uranus
Midnight
East:- Jupiter
Morning
North:- Jupiter
East:- Saturn, Mercury (mag. -0.2 - first half of month)

Deep Sky
Naked eye / binoculars:-
Messier 45 - M45 - The Pleiades (Open Cluster)
The Hyades - Open Cluster
Messier 44 - M44 - The Praesepe (Open Cluster)
Messier 35 - M35 - Open Cluster
Messier 42 - M42 - The Great Orion Nebula (Emission/Reflection)

Small telescopes:-
Messier 36 - M36 - Open Cluster
Messier 37 - M37 - Open Cluster
Messier 38 - M38 - Open Cluster

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Current Moon Phase

CURRENT MOON

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