thatīs me in thermal infrared

Bernd Brinkmann´s

image of

Comet C/2006 P1 (McNaught)

date (yy/mm/dd) time (UT) exp. time (min/sec) camera / telescope film / CCD image size Remarks

My first attempt to see McNaugth. At the left side you can see Venus between the clouds, but the comet is still behind the upper clouds to the right. And this small hole in the clouds move upwards...

2007/01/09
16:09
1/30 sec
Canon EOS 10D + Canon EF 24-85 f/3.5-4.5
f=35 mm @ f/4.0

CMOS

48° x 36°


processing with Canon Digital Photo Professional:
conversion from RAW to 16 bit TIFF

processing with Photoshop:
enlarge bright ares
crop
scaling
save as JPEG

Mean of 10 images. Comet still partly behind clouds.
The comet is 6.2° above horizon, the sun 5.0° below, 30 min after sunset.

2007/01/09
16:13:44
-
16:13:52
10 x
1/45 sec
Canon EOS 10D + Canon Sigma APO 170-500 mm f/5.6-6.3
f=500 mm @f/6.3

CMOS

32' x 24'


processing with Canon Digital Photo Professional:
conversion from RAW to 16 bit TIFF

processing with GIOTTO:
register on comets head

processing with Photoshop:
crop
scaling
save as JPEG

Mean of 10 images.
The comet is 6.0° above horizon, the sun 5.2° below, 32 min after sunset.

2007/01/09
16:15:12
-
16:15:22
10 x
1/30 sec
Canon EOS 10D + Canon Sigma APO 170-500 mm f/5.6-6.3
f=500 mm @f/6.3

CMOS

2.6° x 1.7°


processing with Canon Digital Photo Professional:
conversion from RAW to 16 bit TIFF

processing with GIOTTO:
register on comets head

processing with Photoshop:
crop
scaling
save as JPEG

Mean of 8 images. Here is a crop with 100%.
The comet is 5.7° above horizon, the sun 5.5° below, 34 min after sunset.
30 seconds later the brilliant show, which lasts for only 5 minutes was over. The comet disappeared behind the clouds.

2007/01/09
16:17:06
-
16:17:10
8 x
1/30 sec
Canon EOS 10D + Canon Sigma APO 170-500 mm f/5.6-6.3
f=500 mm @f/6.3

CMOS

2.6° x 1.7°


processing with Canon Digital Photo Professional:
conversion from RAW to 16 bit TIFF

processing with GIOTTO:
register on comets head

processing with Photoshop:
crop
scaling
save as JPEG

This is the view from my balcony at the 6th floor after the comet disappeared behind the clouds. In the foreground you can look through the 170-500mm APO telelens, which is mounted on an old Polaris mount.

09.01.2007
16:22
0.1 sec
Canon EOS 10D + Canon EF 24-85 f/3.5-4.5
f=24 mm @ f/3.5
CMOS
48° x 36°

processing with Canon Digital Photo Professional:
conversion from RAW to JPEG

processing with Photoshop:
crop

processing with IrfanView:
scaling

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any comments to: Bernd.Brinkmann@FH-BOCHUM.DE
last update: 11.01.2007