Thursday, November 24, 2016

Bubble Nebula and around

I took a narrowband image of the Bubble Nebula and surroundings (a two image mosaic):

(click on image for full resolution)
Because of the image scale, there is a lot of detail here:
     
Bubble NebulaNGC 7510 - an open star cluster

     
Outer arm of Sharpless-157Core of Sharpless-157

NGC 7538
Apart from the long exposure time (23+ hours), it took me a long time to process this image:

But it was worth the effort!

... and finally I had to figure out how to upload this large image to Blogger ...