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

M100 - Spiral Galaxy (in Coma Berenices)

Click the image to see the full size picture (1.57"/pixel).
M100 - Spiral Galaxy, 25.05.2003 (24.05.2003 22:54 - 23:38 UT)
Resolution: 2.36 arcsec/pixel
Camera: Vesta 675SC2 + 0.6FR
Telescope: 8" F6 Orion Europa Newtonian
Result focal ratio: F3.6
Exposure: 55x45s (gain 100%), AMP OFF, DF, FF
Seeing: soft wind

The galaxy is 60 millions light years distant. It is one of the brightest members of Virgo galaxy cluster.

1, 55 frames captured and summed in X2 mode in K3CCDTools
2, histogram stretching and gamma 1.20
3, resized to 2/3 of size in Corel PhotoPaint (without unsharp masking)

Move mouse pointer above the picture to see labels.
Click the image to see the full size picture (1.57"/pixel).,
The same image as above, but histogram stretching was applied.

Another galaxies - NGC4323, NGC4328 and VCC636 are also visible on the left side.
Galaxy Brightness
M100 9.4 mag
NGC4323 13.9 mag
NGC4328 13.5 mag
VCC636 ~16 mag



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Last Update: 26.05.2003