Globular cluster M12 in Ophiuchus

Posted by azstarman01
on Thursday, June 9, 2011

Here is a picture M12, a globular cluster  in the constellation Ophiuchus. It is about 16,000 light years away and has a diameter of about 75 light years.

May 12, 2011

Location: Rancho Hidalgo, NM

Telescope: TEC-140 (F7)

Camera: SBIG ST-8300M

Mount: AP900 FTO

Luminance: 18x5 minutes (bin 1x1)

Red: 12x5 minutes (bin 2x2)

Green: 12x5 minutes (bin 2x2)

Blue: 12x5 minutes (bin 2x2)

 

 

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