Copyright 2012 Allan Hall, ALL RIGHTS RESERVED
|
|
|
|
|
|
|
|
|
| Catalog Number: | M2, NGC7089 |
| Common Name: | Globular Cluster in Aquarius |
| Date Taken: | 11/17/2011 9:50PM |
| Location: | Sam Houston State University Observatory 30.810924° N 95.434134° W 233 ft |
| Telescope Used: | Orion Premium 110mm ED APO Refractor |
| Barlow/Eyepiece/Filter: | Orion 2" SkyGlow Astrophotography Filter |
| Camera: | Nikon D7000 unmodded |
| Settings: | 100sec ISO 800 |
| Lights: | 1 |
| Darks: | 0 |
|
Flats: |
0 |
| Bias: | 0 |
| Final Resolution: | 2575x2060 |
| Notes: | Discovered around 1746 by Italian/French astronomer Jean-Dominique Maraldi originally thought it to be a nebula. It was eventually verified to be a cluster by William Herschel in 1783. This is one of the largest globular clusters in the sky at about 175 light years across and a little over 37,000 light years away. The cluster contains roughly 150,000 stars. |
| << Back | |
|
|
|
Copyright 2012 Allan Hall, ALL RIGHTS RESERVED |
|