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
M101 - The Pinwheel Galaxy (in Ursa Major)

Click the image to see the full size picture
(1.32"/pixel).


The result same as above, but finally gamma 1.15 applied in Corel PhotoPaint

 M101 - The Pinwheel Galaxy, 17.09.2004 (19:10 - 19:18 UT)
Resolution: 2.64 arcsec/pixel
Camera: SAC8 at prime focus
Telescope: 8" F6 Orion Europa Newtonian
Result focal ratio: F6
Exposure: 40x10s (gain 100%, HiRes, Amp Off), DF and FF applied
Capturing: K3CCDTools 2.1
Processing: K3CCDTools 2.1, K3APEX, Loreal, Corel PhotoPaint
Seeing: lim.magnitude for naked eye 4.5, good transparency

The galaxy is 27 millions light years distant.

Processing:
1, 40 frames captured and summed in K3CCDTools 2.1, DF and FF applied,
result exported to FIT
2, Digital Development filter (1000,1500,0) applied to the FIT in K3APEX
3, processed by Loreal - removing Dark spots on the right side of stars
4, Noise reduction in Corel PhotoPaint

The lower image was additionally processed with gamma 1.15 in Corel PhotoPaint

Click the image to see the full size picture
(2.20"/pixel).		 M101 - The Pinwheel Galaxy, 17.09.2004 (19:33 - 19:47 UT)
Resolution: 4.40 arcsec/pixel
Camera: SAC8 + 0.6x Mogg focal reducer
Telescope: 8" F6 Orion Europa Newtonian
Result focal ratio: F3.6
Exposure: 81x8s (gain 100%, HiRes, Amp Off), DF and FF applied
Capturing: K3CCDTools 2.1
Processing: K3CCDTools 2.1, K3APEX, Loreal
Seeing: lim.magnitude for naked eye 4.5, good transparency

The galaxy is 27 millions light years distant.

Processing:
1, 81 frames captured and summed in K3CCDTools 2.1, DF and FF applied,
result exported to FIT
2, Digital Development filter (60000,40000,0.2) applied to the FIT in K3APEX
3, processed by Loreal - removing Dark spots on the right side of stars

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Last Update: 29.09.2004