Sunday, January 29, 2012

M97



M97 also known as the “Owl Nebula” is a planetary nebula located in the constellation Ursa Major.  


Optics:  Deep Sky Instruments RC10C
Mount:  Astro-Physics AP900GTO
Camera:   SBIG ST2K XM
Guiding Camera:  SBIG ST-i
Filters Astrodon  Ha & O3
Location:  Roswell, Georgia

Exposure Details
Ha = 240 Minutes (mapped to red)
O3 = 195 Minutes (mapped to blue and green)

Thursday, January 5, 2012

M81



A work in progress!

Optics:  Deep Sky Instruments RC10C
Mount:  Astro-Physics AP900GTO
Camera:   SBIG ST2K XM
Guiding Camera:  SBIG ST-i
Filters Astrodon  Ha
Location:  Roswell, Georgia

Exposure Details
Ha = 555 Minutes (15 min sub frames)