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and content copyright Robert Allevo 2002-2011
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M13
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HERCULES
GLOBULAR CLUSTER
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Technical
Details |
| Optics |
12.5"
RCOS f/6.5 |
| Mount |
Paramount
ME |
| Camera |
SBIG
ST-10XME, CFW8 |
| Filters |
TruBalance |
| Date |
June
14, 2005
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| Location |
SkyFoto
Observatory in East Hartland, CT. |
| Exposure |
RGB
= 24:24:24 minutes unbinned - 4 minute integrations
Luminance
= Synthetic
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M13 is
over 12 billion years old and lies over 20,000 light years
distant. It is comprised of over 100,000 stars and spans over 150
light years across. |
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Previous
Attempt
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Technical
Details |
| Optics |
10"
f/6.3 Meade LX200 GPS operating at f/7.9 |
| Mount |
Meade |
| Camera |
SBIG
ST-8XE, CFW8 |
| Filters |
SBIG
Standard LRGB. |
| Date |
April 12, 2003
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| Location |
my
backyard observatory in East Hartland, CT. |
| Exposure |
LRGB
= 30:10:10:10 minutes. |
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