Constellation Lyra - 12 July 2007

This constellation is small but characteristic. There are some quite interesting objects.

Diminant of this constellation is star Vega. It is fourth brightest star on the sky. The constellation contains globular cluster M56 and planetary nebula M57 known as Ring Nebula too.

Technical information:
Optics:Canon 70-200 F4 L USM+ filter Cokin P830*
Focal:91mm
Aperature:5.6
Exposure:4x300s + 1x300s*
Date and time:11 July 2007 from 22:15 UTC
Location:Central Europe, Slovakia, Cadca, village Zakopcie
Atmosphere:clear sky
Pointation:autopointation with Orestegor 300/4 + Logitech Pro 4000
Mount:home made
Software:Photoshop
ISO/ASA:400
Camera:Canon 350D
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