I observed the asteroid 7 Iris’ close approach (though not the closest point) to 16 Sgr. These are some of my recordings. The autoguiding was done through a photo tele lens, as the main camera was exposing for seconds at a time. HEQ5, N250/1200, TSO ADC, ASI 224MC  and ASI 178MM(cooled), home observatory, mountpusher

7iris 16sgr frame1

7iris 16sgr frame1

7iris 16sgr frame2

7iris 16sgr frame2

2020070910 7iris 16sgr

2020070910 7iris 16sgr

cross eye

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