Monday, October 24, 2011

Oct. 23rd 2011

Globular Cluster M92 (NGC6341) in Hercules.
Distance 26,700 ly.

Camera: Starlight Xpress SXVF-H9
Guider: None (unguided)
Scope: Celestron C8 @ F6
Filters: RGB: Astronomik L-RGB type 2c, Luminance:None
R:16x30sec G:17x30sec B:16x30sec
Date acquired:  Oct 23, 2011
Conditions: High cirrus clouds, 45deg. No stars visible in the imaging region. NELM: ~3.
Object altitude: 45-40 deg. during 50 minute session.



NGC869

NGC869 (one half of the double cluster in Perseus)
Distance ~7,100 ly.
Age: ~5.6 Myr. (multiple sources)

Camera: Starlight Xpress SXVF-H9
Guider: Starlight Xpress Ex-View off-axis with Starlight Xpress Active Optics unit.
Scope: Celestron C8 @ F6
Filters: RGB: Astronomik L-RGB type 2c, Luminance: None
RGB: 25x15sec each
Date acquired:  Oct 23, 2011

Conditions: same as M92


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