IC 5067 PELICAN NEBULA Raven La Fave FACTS

IC 5067 (PELICAN NEBULA) Raven La. Fave

FACTS In the Pelican Nebula; Ridge following curve of head and neck v Constellation: Cygnus v ~1, 900 light years away; 10 light years in diameter v Northeast of Deneb v Magnitude: 8. 0 -9. 0 v RA: 20 h 50 m 54 s; Dec: +44º 25′ 06″ v Emission Nebula v Jets emitted: Herbig-Haro object 555 v http: //www. perseus. gr/Astro-DSO-IC-5070. htm

HERBIG-HARO OBJECTS v. Named after George Herbig and Guillermo Haro v. What are they? v. Pillars indicate a Protostar http: //www. noao. edu/outreach/press/pr 03/hh 555. html

WHY WOULD I PICK SUCH AN OBJECT? v 1 st wanted to image M 16 (Eagle Nebula) v IC 5067 was above the horizon! v Detail http: //www. phys. ncku. edu. tw/~astrolab/mirrors/apod/image/1406/ m 16_32 block 950. jpg

IMAGING v Telescope: v CCD: 12″ Meade LX 200 ST -9 XE camera with RGB filters v 10 flatfields in each filter and 10 flatdarks; both at. 05 exposure v 5 Dark Frames at 3 min. Exposure v 15 unfiltered; 10 of each filter (BGR); all at 3 min. exposures

CCD SOFT v Masterdark v Masterflat: v Calibrate v Align v Combine PROBLEM!

Unfiltered Median Green Add Red Add Blue Add

RGB COMBINED

PHOTOSHOP v Levels v Curves v Saturation v Flatten v MORE levels/curves/saturation

FINAL IMAGE!

SOURCES http: //www. noao. edu/outreach/press/pr 0308. html http: //astronomy. swin. edu. au/cosmos/E/Emission+Nebula http: //annesastronomynews. com/photo-gallery-ii/nebulaeclouds/hh-555/ http: //www. perseus. gr/Astro-DSO-IC-5067. htm http: //apod. nasa. gov/apod/ap 130822. html