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Photographer:

Dr Alan Potts

Email:

pott_sa@tiscali.co.uk

Location of Photo:

Newport, South Wales, UK

Date/Time of photo:

Mid-exposure 6:00 UT on 7th February, 2018

Equipment:

300mm f/4.5 Nikkor lens on Nikon D3300 DSLR at 6400 ISO. Static tripod.

Description:

Over 1000 subframes were stacked in DeepSkyStacker for this image. ISO was set to 6400 with 2s subframes with a total exposure of the stack of 36m 04s. The limit of 2s was based on a limit of approximately 0.8s at 0 degrees dec (the allowable value to avoid drift is the celestial equator value divided by cos(dec).

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