M96, with my C11

by Alain Leclercq

Objects in field: M 96, NGC 3368

Equipment: Celestron C11 SC XLT, ZWO ASI533MC

Integration: 11h 48m

For once, I left my Antlia tri-band filter behind to see if there were any differences. First off, when you have a small field of view, the absence of a filter makes autofocus easier; it's faster (brighter). The same goes for plate solving during pointing; it's much easier. Tracking with an OAG is also simpler. It all makes perfect sense. I took several sets of exposures with and without the…