The Unparalleled Beauty of the Night Sky ... Up Close
MN
Open Cluster
M103 | Messier 103 | NGC 581
This colorful cluster in Cassiopeia contains about 40 stars, the brightest being about 10.5 mV.


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All Images of Open Cluster
5 Oct 2005

Details:
Night of:Tuesday October 4, 2005
Site:Corona
Local Time:12:30 AM | Oct 5, 2005
Altitude:60
RA:01h 33m
Declination:+60d 42'
Distance:9,000 light years
Magnitude:+7.4 mV
Size:6.0'
Camera Settings:
Telescope:9.25-SCT
Camera:SBIG ST237A
f/ratio:f/3.3
Pixel Scale:1.83 arcsec
Image Size:627 x 483 pixels (0.3 MP)
19.1' x 14.7'
Exposure:4 sec
Stacked Frames:45
Shot Info:RGB - 15 frames each
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