Phil Hart - Under the Stars

Antares, Rho Ophiuchi and the Blue Horsehead

Imaged over three nights 13th-16th May 2010 at the South Pacific Star Party, plus a few hours the night before at my campsite outside Wangaratta on the drive up to the Wiruna site in NSW.

Astro 40D (cooled and spectrum enhanced)
Canon 200mm f2.8 lens @ f3.5
Vixen GP-DX mount (unguided)

Four part mosaic
Each ~ 5 hours (3 minute subs at ISO1600)
Total exposure 21.4 hours