The Unparalleled Beauty of the Night Sky ... Up Close
Globular Cluster
M4 | Messier 4 | NGC 6121
This is one of the closest globulars, and its brighter stars are about 10.8 mV. It is about 70 light years across.


Viewing at 100%
The exposure time for this globular was too low, and the object was very low in sky

All Images of Globular Cluster
23 Jul 2014

Details:
Night of:Wednesday July 23, 2014
Site:Palomar Mountain
Local Time:11:30 PM | Jul 23, 2014
Altitude:20
RA:16h 23m 35s
Declination:-26d 32'
Distance:7,000 light years
Magnitude:+5.9 mV
Size:26'
Camera Settings:
Telescope:9.25-SCT
Camera:Orion Starshoot DSI2
f/ratio:f5
Pixel Scale:1.49 arcsec
Image Size:761 x 564 pixels (0.4 MP)
18.9' x 14.0'
Exposure:5 sec
Stacked Frames:25
1 seconds to generate page

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