COMET  C/2001 A2  LINEAR

Guest Star: Olivier MOUSIS

From 19 July 2001 at 23h57 TU to 20 July 2001 at 01H32 TU
 Audine CCD camera with Olympus 200mm (F/D=4) teleobjective lens + IR KG3 filter
27.5 mn exposure

Left : raw image, composit of  55 *  30 sec
Right : idem left with negative view 
Left : Digital Developement Process of raw image
Right : idem left with negative view 
Left : DDP of raw image + unsharp mask
Right : idem left with negative view
Left : logarithm view of raw image + unsharp mask
Right : idem left with negative view