by Craig and Tammy Temple
The Elephant Trunk Nebula, IC1396A, is a region of concentrated interstellar gas and dust that lies in the ionized gas region of the star cluster IC1396, and is located about 2,400 light-years away in the constellation Cepheus. Other designations for this object are LBN 452 & vdB 142. The image seen here is shown in false-color using the Hubble palette where SII = red, H-alpha = green, and OIII = blue.
Telescope: Stellarvue Raptor SVR105 @ f/7
Accessories: Stellarvue SFF7-21 flattener; Dew control by Dew Buster; Alnitak Flat-Man
Mount: Orion Atlas EQ-G controlled by EQMOD performance tuned by Astrotroniks (Ha); Takahashi EM-200 Temma2 (OIII, SII)
Camera: QSI583wsg CCD @ -10.0C
Guiding: Starlight Xpress Lodestar via PHD
Filters: Astrodon 5nm Ha, OIII, SII
Exposure: 12 x 20min. (Ha); 18 x 20min. (OIII); 18 x 20min. (SII)
Acquisition: ImagesPlus 4.0c Camera Control
Processing: Calibration, DDP in Images Plus v4.0; Registration in Registar
Post-processing: Adobe Photoshop CS5; Noise Ninja
Date(s): July 11, 22, 23, 26 & 27, 2011
Location: Hendersonville, TN, USA