Celebrating the Beauty of the Night Sky
MN
The Great Hercules Globular
M13 | Messier 13 | NGC 6205
Just barely visible to the naked eye, the Great Hercules Globular is 150 light years in diameter and contains over 300,000 stars magnitude 12 and dimmer. This is a Class V globular with an intermediate density of stars at its core.


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All Images of The Great Hercules Globular
20 May 2017

11 Jul 2015

06 Jun 2013

11 Sep 2010

19 Jun 2004

Details:
Night of:Saturday September 11, 2010
Site:Palomar Mountain
Local Time:9:30 PM | Sep 11, 2010
Altitude:50°
RA:16h 41m 41s
Declination:+36d 27' 36"
Distance:22,200 light years
Magnitude:+5.8 mV
Size:20'
Camera Settings:
Telescope:9.25-SCT
Camera:Orion Starshoot DSI2 + 0.5x Reducer
f/ratio:f/5
Pixel Scale:1.49 arcsec
Image Size:758 x 560 pixels (0.4 MP)
18.8' x 13.9'
Exposure:15 sec
Stacked Frames:9
Total Integration:2 minutes
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