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Old 01-04-2015, 08:22 AM
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jsmoraes (Jorge)
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Join Date: Apr 2012
Location: Saquarema, RJ , Brazil
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NGC 2546 - Open Cluster

Open cluster, constellation of Puppis, distant from 3,300 light years, with size of 44.7 x 29.8 arcmin and ratio of 0.448 deg. More than the FOV of my system.

Because of the good visibility and transparence of the sky I did two different processes to show the cluster itself and the cluster together others background stars.

http://jsmastronomy.30143.n7.nabble....ter-td387.html

GSO 305 mm - Canon T3 - 2 x 300 seg - ISO 800 - OAG - UHC filter - Coma corrector

note: despite of good quality of the sky, the photos have much noise in the spectrum of Hydrogen alfa

File very large to IIS : http://astronomia-e-astrofotos.10697...9-fullstar.jpg
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Click for full-size image (n2546-noiseUHC.jpg)
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