thatīs me in thermal infrared

Bernd Brinkmann´s

image of

Comet C/1999 N2
(Lynn)

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

filter
(IF=Inter-
ference)

Remarks

C/1999 N2 at 28.07.99

At the exposure time comet Lynn was 5.4° above the western horizon with the full moon rising at the opposite side and the sun 12.6° below the horizon. Full field of view (12' x 18').
Last image was made with the comet 3.5° above the horizon and no stars visible in the CCD frame.

99/07/28

21:11:53

30 sec

C 8 with focal reducer @ f/5.6

Starlight SX

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processing with
MIRA A/P:
dark
flat
rectify pixels
write FITS

processing with Photoshop:
open as 16 bit FITS
contrast scaling
write text
save as JPEG

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any comments to: Bernd.Brinkmann@FH-BOCHUM.DE
last update: 29.07.1999