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Uploaded 22-Aug-10
Taken 21-Aug-10
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Subcategory:Night Sky
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Photo Info

Dimensions1120 x 800
Original file size1.13 MB
Image typeJPEG
Color spaceUncalibrated
Date modified2-Jan-10 14:51
Messier 74  The Phantom Galaxy

Messier 74 The Phantom Galaxy

About this Object:
Messier 74 (also known as NGC 628) is a face-on spiral galaxy in the constellation Pisces. It is at a distance of about 32 million light-years away from Earth. The galaxy contains two clearly defined spiral arms and is therefore used as an archetypal example of a Grand Design Spiral Galaxy. The galaxy's low surface brightness makes it the most difficult Messier object for amateur astronomers to observe. However, the relatively large angular size of the galaxy and the galaxy's face-on orientation make it an ideal object for professional astronomers who want to study spiral arm structure and spiral density waves. It is estimated that M74 is home to about 100 billion stars.

About this Photo:
Date(s): January 1, 2010 (Full Moon)
Location: From my driveway in Georgetown, Texas
Telescope: Celestron C1100 @ F10
Mount: CGEM
Guiding: Orion StarShoot AutoGuider / Orion ST-80
Camera: Canon 40D Modified
Filter: Zhumell Skyglow Filter
Exposure: 33 x 180s @ ISO1600 (99 Min total)
Acquisition: ImagesPlus 3.75 Camera Control
Processing: ImagesPlus 3.75 – Darks,Flats,Bias
Post-processing: Adobe Photoshop CS3
Temperature(s): 40º F