that´s me in thermal infrared

Bernd Brinkmann´s

images of

Comet C/2002 C1 (Ikeya-Zhang)

	date (yy/mm/dd)	time (UT)	exp. time (min/sec)	camera / telescope	film / CCD	filter (IF= interference filter)	image size	Remarks
	2002/04/08	19:28:12 - 19:49:08	Mosaik of 2 x 16 x 30 sec	85 mm Pentax AutoTakumar lens f/1.8 @ f/3.5	Starlight SX	IF Blue	2.1° x 4.3°	processing with MIRA A/P: dark flat register combine (sum) background write FITS processing with Photoshop: open FITS pixel rectification log scaling clipping create mosaik save as JPEG
	2002/04/07	19:33:06 - 19:51:57	Mosaik of 3 x 8 x 30 sec	85 mm Pentax AutoTakumar lens f/1.8 @ f/2.8	Starlight SX	IF Blue	2.8° x 6.8°	processing with MIRA A/P: dark flat register combine (sum) background write FITS processing with Photoshop: open FITS pixel rectification log scaling clipping create mosaik save as JPEG
	2002/04/06	20:33:06 - 20:46:27	48 x 10 sec	Celestron 8 @ f /10	Starlight SX	---	9.3' x 7.9'	processing with MIRA A/P: dark flat register combine (sum) write FITS processing with Photoshop: open FITS pixel rectification log scaling clipping save as JPEG
	2002/04/06	19:42:56 - 19:52:22	Mosaik of 2 x 4 x 60 sec	55 mm Pentax SuperTakumar lens f/1.8 @ f/1.8	Starlight SX	RG 645	3.2° x 7.4°	processing with MIRA A/P: dark flat register combine (sum) write FITS processing with Photoshop: open FITS pixel rectification log scaling clipping create mosaik save as JPEG
exposure during full moon	2002/03/29	19:39:36 - 20:30:15	Mosaik of 4 x 8 x 40 sec	120 mm refractor @ f / 5	Starlight SX	IF Blue	34.6' x 60.1'	processing with MIRA A/P: dark flat register combine (sum) save as TIF processing with Photoshop: open TIF create mosaik pixel rectification log scaling clipping scale to 66.7% save as JPEG
	2002/03/28	20:17:36 - 20:30	17 x 30 sec	55 mm Pentax SuperTakumar lens f/1.8 @ f/2.8	Starlight SX	IF Blue	3.5° x 3.2°	processing with MIRA A/P: dark register combine (sum) flatfield with 25x25 median mask write FITS processing with Photoshop: open FITS pixel rectification log scaling clipping save as JPEG
	2002/03/28	19:21:05 - 19:35:21	4 x 42 sec blue 4 x 33 sec green 4 x 56 sec red	120 mm refractor @ f / 5	Starlight SX	IF Blue + IF Green + IF Red	34.2' x 22.3'	processing with MIRA A/P: dark flat register combine (sum, for each color) merge RGB save as TIF processing with Photoshop: open TIF pixel rectification log scaling clipping save as JPEG
	2002/03/27	19:36:53 - 20:05:29	16 x 20 sec blue 16 x 17 sec green 16 x 30 sec red	55 mm Pentax SuperTakumar lens f/1.8 @ f/2.8	Starlight SX	IF Blue + IF Green + IF Red	3.1° x 3.8°	processing with MIRA A/P: dark register combine background (for each color) merge RGB save as TIF processing with Photoshop: open TIF pixel rectification log scaling clipping save as JPEG
very hazy	2002/03/26	19:57:43 - 20:05:10	8 x 60 sec	55 mm Pentax SuperTakumar lens f/1.8 @ f/2.8	Starlight SX	RG 645	3.5° x 3.5°	processing with MIRA A/P: dark register combine background save as FITS processing with Photoshop: open FITS pixel rectification log scaling clipping save as JPEG
images from fixed tripod, the star trail are due to a combination of image rotation and differential refraction	2002/03/22	19:35:50 - 20:04:53	4 x 10 sec + 32 x 5 sec + 46 x 3 sec = 5.6 min	55 mm Pentax SuperTakumar lens f/1.8 @ f/1.8	Starlight SX	---	4.9° x 3.7°	processing with MIRA A/P: dark register combine flatfield with 25x25 median blur false color palette save as TIF processing with Photoshop: open TIF pixel rectification log scaling clipping save as JPEG
part of the combined image, here is a single 20 sec image in the original size with interfering clouds	2002/03/16	18:52:06 - 19:19:55	16 x 20 sec	telelens, f = 300 mm @ f / 5.6	MegaTEK 1024x1024 24µm pixel 1x1 bin	---	1.6° x 1.3°	processing with MIRA A/P: bias dark flat register combine false color palette save as TIF processing with Photoshop: open TIF pixel rectification log scaling clipping save as GIF
click on image for original size	2002/03/10	19:01:57 - 19:24:30	25 x 20 sec	telelens, f = 300 mm @ f / 5.6	MegaTEK 1024x1024 24µm pixel 2x2 bin	---	4.7° x 4.7°	processing with MIRA A/P: bias dark flat register combine flatfield with 25x25 median blur false color palette save as TIF processing with Photoshop: open TIF pixel rectification log scaling clipping save as GIF
click on image for full size	2002/03/07	19:02:07 - 19:10:29	15 x 30 sec	telelens, f = 300 mm @ f / 5.6	Starlight SX	IF blue	68.2' x 45.9'	processing with MIRA A/P: dark flat register combine false color palette save as TIF processing with Photoshop: open TIF pixel rectification log scaling clipping save as JPEG
flat field didn't match exactly because filter has been removed between images and didn't snap in the same position	2002/03/02	18:23:33 - 18:41:25	16 x 60 sec + 33 x 30 sec	telelens, f = 300 mm @ f / 5.6	Starlight SX	IF green	51.0' x 34.7'	processing with MIRA A/P: dark flat register combine false color palette save as TIF processing with Photoshop: open TIF pixel rectification log scaling clipping save as JPEG
	2002/02/27	18:33:26 - 18:40:50	2 x 30 sec + 14 x 20 sec	telelens, f = 300 mm @ f / 5.6	Starlight SX	---	39.6' x 29.1'	processing with MIRA A/P: dark flat register combine save as TIF processing with Photoshop: open TIF pixel rectification log scaling clipping save as JPEG
	2002/02/16	17:59:09 - 18:22:32	9 x 30 sec + 16 x 60 sec	120 mm refractor @ f / 5	Starlight SX	---	17.8' x 13.5'	processing with MIRA A/P: dark flat register combine false color palette save as TIF processing with Photoshop: open TIF pixel rectification log scaling clipping save as JPEG
the vignetting on the right and upper side was caused by trees	2002/02/15	18:27:57 - 18:29:04	3 x 30 sec	120 mm refractor @ f / 5	Starlight SX	---	23.6' x 16.6'	processing with MIRA A/P: dark flat register combine false color palette save as TIF processing with Photoshop: open TIF pixel rectification log scaling clipping save as JPEG

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

last update:	28.04.2002