Bernd Brinkmann´s

images of

Comet C/2007 N3 (Lulin)

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

C/2007 N3

12.1 mag

2009/03/17

20:07:10
-
20:27:10

10 x 60 sec

C 8 @
f / 5.8

Starlight SX

19.1' x 11.3'

Mira A/P:
dark
flat

Astrometrica:
register on comet
average images

PS:
pixel rectification
clipping
curves

C/2007 N3

2009/02/15

01:24:45
-
01:40:46

30 x 20 sec

C 8 @
f / 5.8

Starlight SX

15.3' x 10.8'

Mira A/P:
dark
flat
register on comet
sum images
pixel rectification

PS:
clipping
curves

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any comments to: Bernd.Brinkmann@FH-BOCHUM.DE
last update: 18.03.2009