photo sharing and upload picture albums photo forums search pictures popular photos photography help login
Robert Starzynski | all galleries >> Bob Starzynski Astro Imaging >> Retired Images > M13 Globular Star Cluster in Hercules center crop
previous | next

M13 Globular Star Cluster in Hercules center crop

Taken on 5/30/2010 from Hillsborough NJ
Total exposure time 1 hour and 41 minutes.

Orion 190mm Maksutov-Newtonian Astrograph
Celestron CGE ST-4 guided
Modified Canon XT no filters
58*105 second 800iso sub exposures.
Calibration and DDP In ImagesPlus
Post processing in PSCS

Above average transparency and seeing.
92% illuminated moon 66 degrees from imaging area.
Ambient temperature range 70.1/63.9


other sizes: small medium large original auto
share
Type your message and click Add Comment
It is best to login or register first but you may post as a guest.
Enter an optional name and contact email address. Name
Name Email
help private comment