April Targets
These are deep sky targets seen from Caltech 8-10PM Local in April.| Object | Alternative Names | Type | Brightness | Surface Brightness | Size | Suggested Telescope/Eyepiece | Notes | Links for More Information |
|---|---|---|---|---|---|---|---|---|
| Beehive Cluster | M44 | Open Cluster | 3.1 | 12.1 | 90' | >= 10" | 750 Myr old, 600 lyr away | Astropixels SEDS Wikipedia |
| M3 | - | Globular Cluster | 6.2 | 12.2 | 18' | >= 10" | One of the brightest and biggest globulars; 500,000 stars, 8 Gyr old, 34 klyr away | Astropixels SEDS Wikipedia |
| Christmas Tree Cluster | NGC2264, Cone Nebula | Open Cluster | 3.9 | 8.25 | 20' | >= 8" | Young star cluster embedded in faint emission nebula; 2.6 klyr away, ~3 Myr old; brightest member is a binary O star | SEDS Wikipedia |
| Alcor & Mizar | Horse and Rider, Handle of Big Dipper | Double Star | 0.33 | - | 14" apart | >= 6" | Historically used by many cultures as a test of vision to identify the two stars separately; 85 lyr away. | Space.com Wikipedia |
Edit | Attach | Topic revision: r1 - 2016-04-12 - OutreachAdmin
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