I kept an eye on the sky all day today and kept my fingers crossed that conditions would allow me to capture asteroid Iris and its close passage to M104 - the Sombrero Galaxy. I got all set up and was ready to start taking images and I looked up and saw an overcast sky. VERY frustrating, to say the least. I kept logging into the overhead satellite view on the internet and it seemed that a break in the clouds was headed my way, so I waited about an hour and things improved at 10:15pm. I captured images for exactly one hour, until 11:15. Sure enough, Iris reveals itself as a streak when all of the images are stacked together. Iris, at magnitude 10.0, passed very close to star TYC 5531 633, at magnitude 10.57. The asteroid's actual motion was upward and towards the right (northwest) in this composite.
TECHNICAL INFO: DSI PRO II camera attached to Tak 130mm refractor. Focal reducer in place to widen the field and shorten the focal length from 1000mm to 630mm. Astronomik IR blocking filter in place. Composite of twenty 3-minute exposures auto-guided with Orion StarShoot guider and PHD software thru AT 66 refractor piggybacked on top of main scope. Yes, I am FINALLY auto-guiding and I couldn't be more thrilled
But it still needs a little bit of tweaking.
Watched the Celtics game while imaging was in progress.
You've all played "Count The Galaxies", now it's time for "Find the Asteroid"