IC 5067: The Pelican Nebula and Herbig-Haro Objects
Delve into the beauty and mysteries of IC 5067, the Pelican Nebula, located in the Cygnus constellation. Discover its unique features, including emission nebula jets emitted by Herbig-Haro object 555. Follow the imaging process using a Meade LX200 telescope and ST-9XE camera. Uncover the challenges faced in CCD calibration and see the stunning final image after processing in Photoshop.
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Presentation Transcript
IC 5067 (PELICAN NEBULA) Raven LaFave
FACTS In the Pelican Nebula; Ridge following curve of head and neck Constellation: Cygnus ~1,900 light years away; 10 light years in diameter Northeast of Deneb Magnitude: 8.0-9.0 RA: 20h50m54s; Dec: +44 25 06 Emission Nebula Jets emitted: Herbig-Haro object 555 http://www.perseus.gr/Astro-DSO-IC-5070.htm
HERBIG-HARO OBJECTS Named after George Herbig and Guillermo Haro What are they? Pillars indicate a Protostar http://www.noao.edu/outreach/press/pr03/hh555.html
WHY WOULD I PICK SUCH AN OBJECT? 1st wanted to image M16 (Eagle Nebula) IC5067 was above the horizon! Detail http://www.phys.ncku.edu.tw/~astrolab/mirrors/apod/imag e/1406/m16_32block950.jpg
IMAGING Telescope: 12 Meade LX200 CCD: ST -9XE camera with RGB filters 10 flatfields in each filter and 10 flatdarks; both at .05 exposure 5 Dark Frames at 3min. Exposure 15 unfiltered; 10 of each filter (BGR); all at 3min. exposures
CCD SOFT Masterdark Masterflat: PROBLEM! Calibrate Align Combine
Unfiltered Median Green Add Red Add Blue Add
PHOTOSHOP Levels Curves Saturation Flatten MORE levels/curves/saturation
SOURCES http://www.noao.edu/outreach/press/pr03/pr0308.html http://astronomy.swin.edu.au/cosmos/E/Emission+Nebul a http://annesastronomynews.com/photo-gallery- ii/nebulae-clouds/hh-555/ http://www.perseus.gr/Astro-DSO-IC-5067.htm http://apod.nasa.gov/apod/ap130822.html
