M1 - Crab Nebula - FOV with this setup 7 x 7 arcmin (images slightly croped)

First light of my Artemis Art 4021 CCD camera - many thanks to my friends Liubomir Iliev and Valery Genkov (both of them professional astronomers) for their invaluable help

1. Unprocessed single frame

2. Luminance combined, stretch and deconvolution

3. Real unsharp mask technique applied

4. An experiment with SAOImage ds9 software

Staircase colours

4. Imaging setup - Artemis Art 4021 CCD on 24" Zeiss Cassegrain @ f/12.5


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