SUNSET: 
0
Photographer:
Ron Brooks
Location of Photo:
Location: Erwinna, Pennsylvania, USA (Buc
Date/Time of photo:
Six nights from October 5 – November 22, 2025
Equipment:
Telescope: William Optics RedCat51 (51 mm aperture, 250 mm focal length) Camera: ZWO ASI2600MM Pro (monochrome) Filters: Antlia V-Pro LRGB; Antlia V-Pro 3 nm Hα and OIII Mount: ZWO AM5 Guiding: William Optics 32 mm UniGuide f/3.75 with ZWO ASI120MM Mini
Description:
Messier 33, located approximately 2.7 million light-years away in the constellation Triangulum, is one of the nearest large spiral galaxies in the Local Group and one of the most actively star-forming. Its loosely wound spiral arms contain hundreds of HII regions distributed throughout the disk, making it an excellent target for studying the spatial relationship between stellar populations, dust lanes, and ongoing star formation. In this image, the emission-line regions trace the spiral structure while the broadband data reveal the underlying stellar disk, dust features, and faint outer extensions.
