[BAA Comets] C/2016 R2 passing the Pleiades

[Peter Carson]

Nick and Denis,
Nice one. The blue colour of the comet shows up well as does the blue 
nebulosity around the cluster.
I had planned to take my DSLR, 200mm lens and astrotrac out somewhere dark 
to try and get image it while it's near M45.
Unfortunately we've had some good transparent periods recently here in Essex 
but never for very long so haven't chanced putting all the gear in the car 
and finding a dark spot.

Peter

-----Original Message----- 
From: Nick James
Sent: Saturday, February 10, 2018 9:04 AM
To: BAA Comets Discussion List
Subject: [BAA Comets] C/2016 R2 passing the Pleiades

Denis Buczynski and I took this image from Tarbatness in Highland
Scotland last night. Unfortunately, after a really clear day the night
was quite hazy and we only managed to get a short stack in a clear spot.
This is a 5x30s stack centred on 2018-02-09, 19:34 using a WO Z61 (61mm,
f/5.9) and a Sony A7s at ISO3200. The FoV is 5.7x3.8 deg. I'm impressed
how deep you can go in a dark sky with such a short exposure and small
aperture. The Z61 is also very well corrected with nice stars all the
way to the edge of the full-frame sensor.

It looks like we might get another chance this evening. When it is clear
the sky up here is pretty much as good as I have seen anywhere and that
includes places like La Palma.

Nick.







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