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NGC 457 is an open cluster easy to spot in Cassiopeia constellation. Its shape resembles an owl, so some people calls it the Owl cluster. Others see an alien, so it is sometimes called the ET cluster. The two brightest stars at left side would be the alien's eyes.

Frank Tyrlik, the image's author, is an astronomy amateur since 1975. Although he prefers the observation of deep sky objects, he does not scorn to look at the sun or planets. At first, Frank tried out a Quickcam, a Vestapro-SC and a ToUcam but finally he got a Canon EOS 300D and a 350D DSLR cameras. Frank belongs to Saint Michel Mont Mercure Astronomy Club.

This image was taken by Frank Tyrlik with a Canon EOS 300d through a Celestron G9 at 2008-08-25. It is actually a sum of 18 subframes of 120" each at ISO 800.

 
 
2015-11-13 11:52:46       
Simon Woods 22/02/2010 at 22:07 Hi,Brilliant picture!Could you plsaee tell me how you obtained the annotatiuons, it is very impresseive.Responce would be greatly appreciated as I need to annotate a series of pictures for a college project, they are plate solved but I cant find a program to create the overlays to save as Jpeg or fitsMany thanksSimon
 
2015-01-23 15:56:42       
I love this site
 
2015-01-23 15:56:41       
What do you want to do when you've finished?
 
2012-10-09 07:37:50       
Why did you use 55 x 2min. exrosupe and not 22 x 5min or 11 x 10min? Single 10 min. exrosupe records more light than single 2 min. exrosupe. You can then record much more faint details.Thank you, Tomas
 
2011-08-19 06:08:12       
Right on-this helped me sort tnhgis right out.
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