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Here is a bunch of Virgo cluster galaxies. The twin galaxies are in the process of colliding and merging with each other with the highest star-formation activity in the part where they overlap. Collected with the Esprit 150 with ASI071 sitting on the Mesu200. On 30th March I managed to get 15 x 10 min, and 1st April gave me 45 x 5 min (I reduced the exposure time as the 10 min exposures blew out the core a bit of M58). Gain was set at 200 (offset 30, -15°C). This is my last galaxy shot for a while. Now the moon is up and the moon and galaxies do not go well together, as I confirmed with an over-optimistic try last night. Maybe I get a few more chances later in April but after that the sky will be too bright up here.
NGC 4567 and NGC 4568 (nicknamed the Siamese Twins or the Butterfly Galaxies) are a set of spiral galaxies about 60 million light-years away in Virgo. They were both discovered by William Herschel in 1784. They are in the process of colliding and merging with each other. Taken with reasonable guiding but poor seeing conditions using a Skywatcher clear sky filter. For more details the astrobin link is: http://www.astrobin.com/248908/
I and Wim are doing our best to fill up this forum with what we find to process on the Liverpool Telescope site. But what else could we do up here in Sweden where the night is twilight for several months? Here is today's contribution from me: Two colliding galaxies. Even if this is only 20 subs and 30 min (!) of data I think it stands its ground with the help of 2 m of aperture. Subs used and filters: 5 x 90 s of sdss-r (red channel) 5 x 90 s of Bessell V (green channel) 10 x 90 s of Bessell B + sdss-g (blue channel)