M90 in Virgo
Optics: 2000 @ f/10 (Celestron 8)
Exposure time: 90 minutes
Date and time: May 9, 1997  -  01:00 h U. T.
Film: Gas hypered Technical Pan 2415 film
Filter: No filter
Guiding: SBIG ST-4
Image processing: Curves and levels adjustment with PhotoShop

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