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Taken 25-Feb-11
Visitors 82

15 of 32 photos
Categories & Keywords

Subcategory:Night Sky
Subcategory Detail:
Keywords:Galaxy, M104, Sombrero
Photo Info

Dimensions3600 x 2400
Original file size1.23 MB
Image typeJPEG
Color spaceUncalibrated
Date taken25-Feb-11 08:32
Date modified27-Feb-11 08:33
Shooting Conditions

Camera makeCanon
Camera model40D Modified
Focal length (35mm)2400 mm
ISO speedISO 1600
M104 The Sombrero Galaxy

M104 The Sombrero Galaxy

About this Object:
The Sombrero Galaxy (also known as M 104 or NGC 4594 ) is an unbarred spiral galaxy in the constellation Virgo. It has a bright nucleus, an unusually large central bulge, and a prominent dust lane in its inclined disk. The dark dust lane and the bulge give this galaxy the appearance of a sombrero. The galaxy has an apparent magnitude of +9.0, making it easily visible with amateur telescopes. The large bulge, the central supermassive black hole, and the dust lane all attract the attention of professional astronomers.

About this Photo:
Date(s): February 25, 2011
Location: From my driveway in Georgetown, Texas
Telescope: Celestron C9.25 @ F10
Mount: HEQ-5
Guiding: Orion StarShoot AutoGuider / Taurus Tracker III
Camera: Canon 40D Modified
Filter: Astronomik CLS
Exposure: 12x600s @ ISO1600 (2 Hours total)
Acquisition: ImagesPlus 3.75 Camera Control
Processing: ImagesPlus 3.75 – Darks,Flats,Bias
Post-processing: Adobe Photoshop CS3; Gradient Exterminator; Noise Ninja; Noel Carboni's Tools; StarSpikes Pro
Temperature(s): 45º F