Across 5 sessions during an unusually long stretch of good weather, the new cooled system (UHC filter plus first light of the ultra-narrowband H-alpha filter) produced my deepest and highest-quality image of Messier 101 to date.
Tag: PGC 50063
On the edge of the final adjustments to my camera, this image was created.
Check out my latest image of the Pinwheel Galaxy (M101), captured from home under a beautifully clear sky.
Messier 101, also known as the Pinwheel Galaxy, is a large face-on spiral galaxy in the constellation Ursa Major about 21 million light-years from Earth, reaches its annual culmination at astronomical midnight and is best observed in late April.