Object: Tidal Stellar Streams by NGC4216 Date: 31.01.11 Location: Oberes Schlierental 1450m ü. M. SQM: 21.86m/s2 at 23:55UTC by -3°C Telescope: Astrooptik Keller Cassegrain 400mm f/3 Mount: ALT-7 Autoguiding: Second chip in SBIG STL-11000M Camera: SBIG STL-11000M Filter: LRGB Dark Frame: -30°C Flat Frame: 90°C UZS Exposure: 9xL600s, 3xR600s, 3xG600s, 3xB600s total 180minutes

Second Object: Crab Nebula M1 Filter: LRG (no B) Dark Frame: -30°C Exposure: L600s, R600s, G600s, total 30minutes

E-Mail an: info@astrooptik.ch

Copyright © by Astro Optik GmbH
Letzte Änderungen: 22. Juni 2011, Webmaster