Dwarf galaxies have affected me somehow. Apart from the fact that every time it is a challenge to image it in a reasonable way, I'm also challenged by the fact that there are not as many amateur pictures as for the standard galaxies. Besides, they are usually quite high in the sky and are better to reach from my location than the galaxies eg. in the hair of Berenike. This time, it is NGC 4395's turn.

For a first RGB test on April 19, I used a time window of one hour. It did not come very much together, of course, but I was able to adjust the picture field already and look how the galaxy lands on the camerachip at all. It is not much photons in fact. Luminances ist still ok, but color is really weak.

23. and 25.04.2017

A few days later I had the opportunity to capture 160 minutes of luminance (16 x 600 sec.). Two days later in a cloud gap again 5 pieces. All in all 210 minutes. Unfortunately, this is not enough for a smooth picture. After all, the H-alpha knots and the galaxy shape are already forming quite nicely. Unfortunately, I permanently have this bright line in the picture - a reflection of the bright LED spotlight from the neighbours house. It can either be the SM-spider or something at the OAG - perhaps the prism?

Here is a Luminance Preview:

26.04.2027

The final night for the galaxy was beautiful and permanently clear, so a total of 29 luminances and 46 x RGB came together. Sure, you could invest further exposure time, a first processing of the data, however, gave a nice result, which is why I closed the project and devote myself to the next opportunity a different goal. Perhaps again something brighter :-)

An unprocessed preview of the RGB data looks like this:

And here is the final processed LRGB result ...