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Cidadao Image of Comet Hale-Bopp


Observer: Antonio Jose Cidadao
Location: Oeiras, Portugal
Date: August 31, 1995 20:45 UT

Notes: Comet Hale-Bopp processed to show the nucleus and the jet.

       Image was produced adding the 8 frames used in the animation 

       The frames were shifted in order to "track" the comet's nucleus.

       Each frame is a series of 7 images of 120 sec. each in "track-and-
       -accumulate" mode, obtained in 2h period begining at 20h45m UT 08/31/95. 
       Average night. ST6 camera.


Antonio Jose Cidadao: member of A.P.A.A. (Associašao Portuguesa de Astronomos 

Telescope: Schmidt-Cassegrin, Meade LX200, 10", f/10, equatorially mounted

Focal reducer (f/6.3): yes

Camera: SBIG ST6

Filter wheel (CFW6-A): yes

Filters: clear

Exposure: 6720 sec.
Date: 08/31/95 (begining at 20h45m UT)

Site: Oeiras, Portugal (from my new apartment's "roof-top" observatory)

Image Proc. Software: CCDOPS; PhotoShop; Video for Windows

Antonio Jose Cidadao

Rua D. Antonio Luis de Menezes, No9, 3A,         phone: +351-1-4412192
S. Juliao da Barra, Oeiras,
2780 Oeiras
PORTUGAL                                         e-mail:

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