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Astrophotography from Ursa Major Observatory @ ROSA

CEDIC team goes La Palma - Introduction 
La Palma is a wonderful place for astrophotography: More than 200 clear nights per year at an altitude of 800m and more than 300 clear nights per year at the top of Roque de los Muchachos, no light pollution, comfortable night temperatures and only 4hours flight distance from Central Europe. With a latitude of 28 degree, all southern objects culminate more than 20 degree higher than in Central Europe.
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During a time span of one week up to ten cameras were running in each night. Planning and coordinating this huge number of different setups within our team was a true challenge, which we could only master by using the planning tool of CCD-Guide (www.ccdguide.com). Despite of the loss of one night because of clouds and limited transparency in two nights because of Calima (a hot, sand laden wind that blows in from the Northern Sahara), we could gather raw data for more than 50 images within our one-week stay. We grouped our results in 5 different parts:     Part #1: Near Rho Ophiuchi     Part #2: Nebulae in Sagittarius     Part #3: Serpens & Scutum     Part #4: The Eagle     Part #5: From Cygnus to Aquarius
In the past, the infrastructure for high-end amateur astrophotography was underdeveloped, and astrophotographers were forced to bring their own equipment to the island of La Palma to be able to create astro images with high quality. It was always our dream to do astrophotography directly at a finca at La Palma with high-quality equipment without the necessity to book excess baggage. In the new moon phase around July 23, 2017 this dream came true for the CEDIC team (www.cedic.at), consisting of Christoph Kaltseis, Bernhard Hubl, Markus Blauensteiner and Michael Hanl. With pleasure, we followed the friendly invitation of Kai von Schauroth to ATHOS Centro Astronómico, a finca in La Palma, which offers besides an excellent sky and first-class equipment also an outstanding service (both in astrophotography and in accommodation).
We could use the following equipment during our one-week stay:     - ATHOS Observatory including AP175ED (7"), TEC 110FL (4") and Moravian G4-16000 on 10Micron GM3000 HPS     - Baader APO 95/560, FLI ML16200 and Nikon D810A on 10Micron GM 1000 HPS     - AP130GT (5”), TS Imaging Star 100mm (4"), Canon EOS 6Da and Canon EOS 1000Da on Skywatcher AZ EQ6 GT     - SW StarAdventurer, AstroTrac and iOptron mounts including a number of DSLRs with different telephoto lenses and wide-angle lenses