Photographies
Newton 1900mm 12,7", f.6, 79sec, ASA 3200, Canon 5DMIII ( crop 10x or 8,3'x6,6')
24.April 2017; Germerswang/Fuerstenfeldbruck, South Bavaria (brightness ca. 8,6 mag*)
Hubble Image, Bildquelle NASA
A little Planets & Space
Whirlpool (M51)and Pinwheel (M101) Galaxy
Newton 900mm f4.5, 3x89sec, ASA 1600, Canon 5DMIII
Left: Cocoon (NGC 4490) and NGC 4495, Middle and Right: Whale Galaxy (NGC 4631)
Left, Middle: Newton 900mm f4.5, 3x89sec, ASA 1600, Canon 5DMIII Right: Newton 1900mm f6, 179sec, ASA 800, Canon 5DMIII
*mag: light magnitude= > up to mag +3-4 stars are visible nearby cities with the naked eye, in very dark areas the seeing limit can reach up to mag +6-7. The more higher numerical value is given, the more weaker are the objects. E.g. - 4,7 mag, Venus glittering; - 1,0 Sirius, brightest star; +3,5 M31 Andromeda, pale shiny oval.
Etna Stromboli Volcano world Cinema From Etna to Stromboli Planets & Space ©2017 photos& text by Thorsten Boeckel (tb) This private, non-commercial web site do not use cookies ! |