Craig & Tammy Temple
Location of Photo:
Pin Oak Lake, Natchez Trace State Park, Lexintong, TN, USA
Date/Time of photo:
August 14 & 15, 2013
Telescope: Stellarvue SV80ST triplet APO @ f/6 Accessories: Stellarvue SFF3 flattener; Dew control by Dew Buster; Alnitak Flat-Man Mount: Takahashi EM-200 Temma2 Camera: QSI583wsg CCD @ -10.0C Guiding: Starlight Xpress Lodestar via PHD Filters: Astrodon Tru-balance E-Series Generation II LRGB Exposure: 18 x 5min. Luminance, binned 1x1; 6 x 3min. each RGB, binned 2x2 Acquisition: ImagesPlus Camera Control v5 Processing: Pixinsight 1.8 RC7 Post-processing: Pixinsight 1.8 RC7; Adobe Photoshop CS5
The Iris Nebula, LBN 487, is a reflection nebula that lies 1,300 light-years away in the constellation Cepheus. NGC 7023 is actually the cluster within the nebula. It shines at a magnitude of 6.8 and is illuminated by the bright 7th magnitude star SAO 19158. This nebula is six light-years across.