Astrobin: https://www.astrobin.com/jlz5za/ Astrometry: http://nova.astrometry.net/user_images/4634640#annotated Drizzle data integration by PixInSight of many frames taken mailnly in UHC and some in CLS filter by WO Zenithstar61/EOS550d and…
View More M51 Whirlpool羞龍天文摄影 Xiulong Astrophotography
Xiulong Tianwen Sheying – Astrophotography by 羞龍Xiulong Stefano Zamblera