K3's Astronomy - Deep Sky
"When I consider your heavens, the work of your fingers, the moon and the stars which You have set in place, what is Man that You are mindful of him?" -- Psalm 8:3,4

M107 - The Globular Cluster in Ophiuchus (NGC6171)

Click the image to see the full size picture (1.57"/pixel).
M107 - The Globular Cluster in Ophiuchus, 19.06.2002 (22:31 - 22:43 UT)
Resolution: 3.14 arcsec/pixel
Camera: Vesta 675SC2 + 0.6FR
Telescope: 8" F6 Orion Europa Newtonian
Result focal ratio: F3.6
Exposure: 29x15s (gain 100%), AMP OFF, 16xDF, FF
Seeing: lim.magnitude for naked eye 4.2, windy, foggy clouds, 9 days old Moon!
Temperature: 18░C

1, Stacked with K3CCDTools
2, Histogram with color separation + gamma 1.70 (K3CCDTools)
3, Flatten Background in MaximDL Demo
As Fatten Background was applied to result 24-bit bitmap, the processing artifacts (noise) are visible.

Distance of M107 is about 21000 ly and diameter about 60ály. Visual brightness is 7.9 mag.


Click the image to see the full size picture (1.57"/pixel).
The same AVI source as above, but another processing:

1, Stacked with K3CCDTools, exported to FITS
2, Flatten Background in MaximDL Demo
3, Color balance, Histogram + gamma 0.80 (MaximDL Demo)
4, Denoise in Neat Image

The image contains less noise, but stars are not as nice as above.

Back to Messier Catalog


Computer generated images, real images, drawings and texts are property of the author and may not be reproduced or used without permission of author.


Home

Last Update: 23.06.2002