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Uploaded 29-Sep-12
Taken 21-Sep-12
Visitors 65

11 of 31 photos
Categories & Keywords

Subcategory:Night Sky
Subcategory Detail:
Keywords:M27, NGC6853
Photo Info

Dimensions3600 x 2400
Original file size2.93 MB
Image typeJPEG
Color spaceUncalibrated
Date taken21-Sep-12 18:16
Shooting Conditions

Camera makeCanon
Camera model40D Modified
ISO speedISO 1600
Messier 27  The Dumbell Nebula

Messier 27 The Dumbell Nebula

About this Object:
The Dumbbell Nebula (also known as Apple Core Nebula, Messier 27, M 27, or NGC 6853) is a planetary nebula (PN) in the constellation Vulpecula, at a distance of about 1,360 light years. The nebula forms as the star's outer layers are expelled into space, with a visible glow generated by atoms excited by the dying star's intense but invisible ultraviolet light.

About this Photo:
Date(s): September 21, 2012
Location: From my driveway in Georgetown, Texas
Telescope: Astrotech AT8RC @ F8
Mount: CGEM
Guiding: Orion StarShoot AutoGuider / Taurus Tracker III OAG
Camera: Canon 40D Modified
Filter: None
Exposure: 8 x 300s @ ISO1600 (40 Min total)
Acquisition: ImagesPlus 3.75 Camera Control
Processing: ImagesPlus 3.75 – Darks,Flats,Bias
Post-processing: Adobe Photoshop CS3; Noise Ninja; Noel Carboni's Tools;
Temperature(s): 75º F