M 2 (NGC 7089) is a globular cluster located
in the constellation of Aquarius (the water bearer). It was disovered
by Jean-Doninique Maraldi in 1746 and rediscovered by Charles Messier
in 1760. He believed that it was a nebula. In 1783, William Herschel
was the first to reslove it into individual stars.
M 2 lies approximately 40,000 light years
away and spans 175 light years. It is one of the largest globular
clusters known, containing approximatly 150,000 stars.
|
| Telescope: |
Orion 120ED |
| Camera: |
Canon XS (Hutech modified);
ISO 800; Raw capture |
| Mount: |
Losmandy G11 |
| Guiding: |
SSAG on 300mm Komura
lens |
| Exposures: |
9 @ 5 minutes |
| Processing: |
Images were
focused using Live View. They were calibrated, aligned and added in
ImagesPlus. The composite was cropped by 50% and adjusted (Levels,
Curves) in Photoshop CS2. |
| Note: |
Taken from my backyard
observatory in southeastern Minnesota on 9/13/09; Temp 55F |
| |
|
| Back to Index |
|
