Sh2-101 The Tulip Nebula

Taken over the nights of 5th and 6th September 2015. It consists of 4 hours of Ha in 10 min subs and 60 mins of OIII and SII in 10min subs binned 2x2 taken through my Megrez 90 scope with Atik 460EX CCD camera.

It was pointed out to me that I had captured the bow shock wave from Cygnus X-1. Just to the right of the tulip are two stars one above the other and quite bright. The lower one is the position of Cyg X-1 and the shock wave can be seen just above that.

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December 2015