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 Post subject: Seeing better in the dark..
PostPosted: Sun May 21, 2017 2:26 pm 
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Joined: Mon Oct 12, 2009 6:47 pm
Posts: 1204
Location: Bolton
.. without eating a lot of carrots?

Last night I was testing a new piece of hardware for observing and imaging.
Although it's not specifically designed for astro work, I did manage to find the M81 & M82 galaxies and Comet Johnson in my eyepeice, in twilight from central Bolton!

And I could even capture these images from a fixed tripod (i.e. no tracking!):
Attachment:
File comment: The Ursa Major galaxy-pair.
m8182.png
m8182.png [ 49.07 KiB | Viewed 373 times ]
Attachment:
File comment: Comet 2015 V2 Johnson on 20-May. The nearby bright star is Delta Bootis.
c2015v2_20may.png
c2015v2_20may.png [ 72.36 KiB | Viewed 373 times ]

In each case, it took just 20 seconds to capture the raw data (and then a few minutes' processing with IRIS the following morning).

So I'm looking forward to trying it from a darker site (although at this time of year we get "Twilight All Night" and no proper darkness anyway).

If you want to know more, there will be a full write-up in our next newsletter.


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