thatīs me in thermal infrared

Bernd Brinkmann´s

image of

Comet 78 P/Gehrels 2

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

78 P/Gehrels 2  97/09/27 03:08 - 03:12 UT

97/09/27

03:08:20
-
03:12:52

2 x 180 sec

120 mm refractor
f / 5

Starlight SX

IF green
+
IF IR block

15.9' x 15.3'

processing with MIRA A/P:
bias
dark
flat
register
combine (sum)
log scaling
write TIFF


processing with Photoshop:
pixel rectification
log scaling
clipping

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any comments to: Bernd.Brinkmann@FH-BOCHUM.DE
last update: 21.01.1998