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Comet PANSTARRS with Andromeda Galaxy | by wrakky
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Comet PANSTARRS with Andromeda Galaxy

Featured on www.universetoday.com/101257/comet-panstarrs-meets-the-an...!

 

Comet C/2011 L4 (PANSTARRS) and M31 (Andromeda Galaxy) taken from just outside St Clears, Carmarthenshire, Wales on 29th March 2013 around 9pm.

 

Annotated version: nova.astrometry.net/annotated_full/48791

 

A combination of dodgy eyesight and it only being an hour or so after sunset meant I couldn't see the comet with the naked eye but pointing my camera in the general direction revealed it, and M31 as an added bonus! I didn't have time to set up my barn door tracker as it was fairly close to the horizon so I decided to use my 35mm lens at f/1.8 and after a few tests settled on 3200 ISO and 8 second exposures which gave the best combination of detail without too much trailing.

 

Technical stuff:

 

Taken with a Nikon d5100 and Nikkor 35mm Lens, ISO 3200, f/1.8

 

Processed using Deep Sky Stacker with:

25 exposures @ 8 seconds each

25 dark frames @ 8 seconds each

15 bias/offset frames

10 flat frames

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Taken on March 29, 2013