|
Arguably, although not by me, this globular cluster in Hercules is the most
outstanding visible from the northern hemisphere. This cluster has an
estimated 1 million member stars and is believed to be about 21,000 light
years distant. If you're blessed with good vision and very dark skies,
this cluster may be visible to the naked eye between the two western stars
of the Hercules keystone and is an astonishing view through a telescope,
most especially from dark sky.
Back to Messier Gallery
Date: 5/12/2007
Location:
CRO
Telescope: LX200 10" SCT, f/10
Mount: AP-1200
Camera: Hutech modified
Canon 350D, ISO 800
Exposure Count: 16 @ 3 minutes, 48 minutes total
exposure.
Guiding: CCD Soft with ST402ME, Orion 80ED
|
Post Processing: |
ImagesPlus: Dark and flat calibration, align and
combine, digital development
Photoshop CS2: Smart sharpen, levels, curves
NeatImage: Noise reduction
|
|
Previous
Attempts
6/30/2006
5/30/2005
6/23/2004
|
|
