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Uploaded 24-Oct-10
Taken 10-Jan-10
Visitors 108


3 of 48 photos
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Categories & Keywords

Category:Scenic
Subcategory:Night Sky
Subcategory Detail:
Keywords:M103, Open Cluster
Photo Info

Dimensions3600 x 2400
Original file size6.57 MB
Image typeJPEG
Color spaceUncalibrated
Date taken10-Jan-10 15:59
Date modified24-Oct-10 16:01
Shooting Conditions

Camera makeCanon
Camera model40D Modified
ISO speedISO 1600
Messier 103 Open Cluster in Cassiopeia

Messier 103 Open Cluster in Cassiopeia

About this Object:
Messier 103 (also known as M103, or NGC 581) is an open cluster in the constellation Cassiopeia. M103 is about 25 million years old and at a distance of about 10,000 light-years from Earth. M103 is also the last Messier object to be cataloged by Charles Messier himself.
About this Photo:

Date(s):
January 10, 2010
Location:
From my driveway in Georgetown, Texas
Telescope:
Celestron C9.25 @ F10
Mount:
HEQ-5
Guiding:
Orion StarShoot AutoGuider / Orion ST80
Camera:
Canon 40D Modified
Exposure:
1 x 180sec
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; Star Spikes Pro
Temperature(s):
22º F