M27, Pluto and NGC6907, SN 2025_rbs in galaxy NGC7331, and M30

With dark night returning, I was able to capture almost five hours of data last night on several targets using my ASI533MM pro camera and EFW attached to my Sky-Watcher Esprit 80ED with a field flattener fitted. With the waxing gibbous moon near the meridian, I started with some narrowband on the Dumbbell nebula (M27) in Vulpecula, before moving on to some LRGB imaging. As two weeks had elapsed since I last imaged Pluto in Capricornus and the supernova SN2025_rbs in the galaxy NGC7331 in Pegasus, I took more data to compare movement and brightness respectively. Finally I finished off the night by imaging M30; a small globular cluster in the constellation of Capricornus.

M27: 2.5 hours of SHO data of this bright planetary nebula which I integrated and processed using narrowband normalisation in Pixinsight, with final adjustments made in Adobe LightRoom.

Pluto and NGC6907: I took 36 minutes of RGB data of dim and distant Pluto which revealed it as a tiny tri-coloured disc (due to the time difference between RGB filter sets). The galaxy NGC6907 was also able to be captured in the same field of view, which just two weeks previously I had been unable to achieve. I integrated the data in Pixinsight and compiled a montage with my previous image taken two weeks earlier and annotated it to show the movement of the dwarf planet among the background stars.

Annotated

Movement over 2 weeks

SN 2025_rbs in galaxy NGC7331: I shot an hour of LRGB data of this recent supernova and found that it remained as bright as when I had imaged it shortly after its discovery some two weeks earlier. I processed RGB and luminance data separately in Pixinsight and then combined them to show more structure in the galaxy and the SN more clearly with final processing carried out in Adobe Lightroom.

M30: With nautical twilight upon me, I could only take 20 minutes of RGB data of this globular cluster that lies low down in Capricornus. This is one of the densest globular clusters which is thought to be almost 13 billion years old which passes retrograde through our galaxy and thus may have originated from one of the Milky Way's satellite galaxies. it lies some 22,600 LY away and is almost a light year across with a combined mass of 160,000 solar masses. Again integration and processing was done in Pixinsight and Adobe Lightroom.

Chris Bowden