[back] IPHASX J205013.7+465518 (Ear Nebula) in Cygnus 

 (c) 2015 All astro photo images are copyrighted. They may not be used or reproduced without explicit written permission from the authors.





About this Image / Über dieses Bild


CCD: Andor Tech DZ436 (2048 x 2048 pxl)
Image Type, Orientation: Ha-OIII-OIII-composite plus RVB for the stars, North is at 12:00h 
Exposure time: H-alpha: 9x1800 sec., OIII: 9x1800 sec. plus 1x1200 sec., R: 8x15 sec., V: 8x30 sec., B: 8x60 sec., all 1x1 bin 
Exposure date: August, 14th and September, 9th…11th 2015
Location: Skinakas Observatory at Crete, Greece
Filter: Spectrofilm 7.5nm Ha, 2.8 nm OIII
Instrument: Skinakas modified RC-129 cm-Telescope in secondary focus (9970 mm)
Photographer: Makis Palaiologou, Stefan Binnewies, Josef Pöpsel
Seeing (FWHM): 1.28"

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