I can contribute a 16" drawing of NGC 4536 from 2009 (196x, 23' field). I didn't find the spiral structure to be difficult in the 16" scope. I'm sure it can be seen with smaller apertures as well....
Hi all,
5 Editions for the Texas Star Party were added to the Clear Skies Observing Guides collection:
Texas Star Party 2025 - Regular Observing Program
Texas Star Party 2025 - Advanced...