Backyardastronomy.net

Astrophotography Gallery

[ stop the slideshow ]

M3 04202011

M3_04202011.jpg ThumbnailsM13 05312011ThumbnailsM13 05312011ThumbnailsM13 05312011ThumbnailsM13 05312011ThumbnailsM13 05312011

M3 is a globular cluster in the constellation Canes Venatici. This cluster is around 34kly away and is estimated to be around 8 billion years old with a radios of 90ly. 5x300sec fits exposures captured and combined in Nebulosity v2.4.0 software. Finishing touches done in PhotoShop. Conditius were poor for this session with high winds and some cloud cover. Telescope: Orion 8" 1000mm f4.9 Newtonian reflector. Mount: Orion Atlas EQ-G Guide Scope: Meade 800mm f10 reduced to f5 with Atik x.5 focal length reducer (ADM rings). Imaging Camera: Mead DSI Color 16bit camera. Guide Camera: Meade DSI Pro monochrome 16bit camera. Imaging camera in prime focus. Filtration used: Baader UV/IR Cut filter · Date/Time 2011:04:21 08:03:02 · Resolution 800 x 584