NGC 6888 in HST-palette

Last night I got S-II (ionized Sulfur) for the NGC 6888, the Crescent Nebula. Now it was possible to compose a HST version (Hubble Space Te...

NGC 6888 in H-alpha and O-III light.

This was hard to process... I have problems to have images calibrated with Flats, Bias and Darks, so much extra work there to have images b...

A new project, NGC 6888

I have started a new project with the NGC 6888. So far there is 4,5h of H-alpha. Image going to be a three band narrowband image, I have all...

M27 as a Stereo Pair

Parallel Vision version Cross Vision version - NOTE! This is a personal vision about forms and shapes, based on some known facts and artis...

M27 in two palettes

Natural colors In a Hubble palette, S-II=Red, H-a=Green and O-III=Blue - I was able to shoot data for other channels and more lights for H...

Firs light for the new season

M27, Planetary nebula, was my first target for this new season. After a long mandatory pause, I feel like a novice. My location is not good ...

Active otics and Meade LX200 GPS 12"

I have made some experiments wirh SXV-AO and QHY9. Since QHY9 has a very small pixels, 5,4microns, there will be serious over sampling with ...