Wirtanen with Canon 200mm F/2.8 Telephoto

Comet 46P/Wirtanen on Jan 11, 2019, 10:30 UT. 45×60 sec @ ISO 800, Lumicon Deep Sky 72mm, Astronomic CLS, Canon XS (modified,) Canon 200mm F/2.8 at F/3.2. Central area crop.

I had been wanting to try imaging 46P with the 200mm telephoto lens I have.   I thought I could bust through the LP with the addition of the Lumicon 72mm Deep Sky filter that fits that lens.  Oh, well… not enough pass-through for the comet wavelengths and blocking of the LP.  It helped, but not enough in the white zone I was shooting from.  It works for H-Alpha nebulae, but not much for other stuff.

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