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Cidadao Image of Comet Hale-Bopp


Observer: Antonio Jose Cidadao
Location: Oeiras, Portugal
Date: August 26, 1995

Comet Hale-Bopp; 30 images of 120 sec. each (addition of 3 series of 10 images in "track-and-accumulate" mode, centered in the comet's nucleus). Hazy night. ST6 camera. The same image has been processed in two different ways (negative and log).

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

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: 3600 sec.

Date: 08/26/95 (mid series begining at 21h45min UT)

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

Image Proc. Software: CCDOPS; PhotoShop

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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