Butterfly Nebula in narrowband colors

At last I was able to shot S-II channel for this image! Last night was stormy and since I don't have a proper observatory, wind made im...

Butterfly in Narrowband Stereo

Parallel Vision image pair Cross Vision image pair - For viewing istructions, please, look at the menu on the right hand side of the page....

Butterfly Nebula, Colors of Autumn

I made some tests about colorbalance. I looked more closely O-III channel and compared it to the H-alpha channel. There was some large scal...

Butterfly Nebula in 3D-stereo pair

First image pair is for "Parallel Vision" method. Second one is for "Cross Vision" method. Viewing instructions can be ...

Butterfly Nebula, second try

This narrow band color image is a combination of two channels, H-alpha = Red O-III = Blue. Green channel is Synthesized from Red and Blue. -...

Butterfly Nebula from bad night

Sometimes there is days (nights), when everything goes wrong. Last night was one of them. First I had problems with my laptop and I had to r...

NGC7000 as a Stereo Pair image

Parallel vision Image Pair - - Cross Vision Image Pair - Images are stereo vision image pairs. They tell something about "true" n...

My first ever narrowband color image!

This is a very modest example of three colur narrowband image. But I place it here, since it's my first one. At 11.09. I mainly shoot H...

11.09, the opening image of the season

This is a first light for my new equipment, Tokina AT-X 300mm f2.8 manual focus lens. North America and Pelican nebula shooted @ f2.8 with B...

New equipmets and some development work.

New focusing system for the Tokina 300mm lens. System is based on temperature compensating TCF-s focuser and it's very accurate. I prin...

New flat "box" with EL-sheet.

Last winter I had lots of problems with bad flats. I managed to buy one A2 size sheet of electro luminescent material. (Here is the link: h...

Angular scale for the AO-system

This is a simple solution to easy up guidestar selection with SXV-AO active optics sytem. When OAG (Off Axis Guider) is used, the selection...

New Lens for astro imaging

Tokina AT-X 300 f2.8 is a big and heavy lens. Diameter of the main lens is 112mm. Optical quality is very good. At f2.8 stars are absolute ...