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Copyright Andreas Masche |
Object.................: IC 5067 / 70, Pelican Nebula in Cygnus
Coordinates............: R.A. = 20h 47.8m, DEC = +44° 22'
Optics / Telescope.....: Pentax SDUF II
focal length, f/ratio..: 400 mm, f/4
Total exposure time....: 180 min
Filter.................: Custom Scientific H-alpha (3 nm) and IDAS RGB
Film / CCD / guiding...: ST10E, Guiding with STV
Date & location........: August 21/22, 2001, downtown Freiburg
Author.................: Andreas Masche
Comments...............: L (H-alpha) RGB, processed with MIRA and Photoshop
L = 12 x 750 s
R = 2 x 300 s, binning 2x2
G = 2 x 300 s, binning 2x2
B = 2 x 300 s, binning 2x2
Typical urban conditions: seeing fair, fst about 5.2 mag.