Date: |
March 22, 2004 |
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Exposure: |
LRGB 500:60:60:90 : 50 x 600s L 4 x 900s R,G, 6 x 900s B |
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Processing: |
Captured with CCDSoftV5, MaxIm for Image calibration,(20 R,G,B flats dark subtracted and Sigma Reject combined, 40 bias frames Sigma Reject combined, 10-1800s darks Sigma Reject combined), dead/hot pixel removal, alignment, normalization. Photoshop for final RGB combine, levels and curves adjust and conversion to jpg for website. |
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Conditions: |
Clear with fair transparency, but poor seeing. |
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Scope: |
C14 @ f/7 |
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Camera: |
SBIG ST-8XE, -25°, SBIG ST-237A for Guiding |
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Comments: |
M100 is one of the brightest member galaxies of the Virgo Cluster of galaxies. It is a spiral galaxy, like our Milky Way, and tilted nearly face-on as seen from earth. Captured over several nights under less than optimum conditions, The C14 did a good job getting what it did. |