Astrophotography by Mario Cogo

M7 - Open Cluster

 

The object number 7 of the Messier catalog is a bright and large Open Cluster projected on a background of faint and old Milky Way stars. M7 consist of about 80 stars brighter than mag 10 in a field of 1.3 degrees apparent diameter. 

 

- Date / Location : 24/05/2001 from Roques de los Muchachos "La Palma" (Canary Island - Spain)
- Optics / Lens : Astro-Physics Traveler 105mm f/6 EDFS  with AP Field Flattener - Nikon F3 
- Mount / Guide : Astro-Physics GE-600E GTO autoguided by SBIG ST4
- Exposure / Film : Single 30-minute on un-hypered Kodak PJ400 Film
- Processing : Film scanned at 2700 dpi with Nikon CoolScan LS30 scanner, enhanced with Adobe Photoshop 6.0
- Note : Dry climate , windy

 


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All the images in this site are Copyright  1996 - 2002  by  Mario Cogo

Any use of this images without the prior written consent of the author is strictly prohibited

For more information please contact Mario at  Cogom@aruba.it