NGC 7023
NGC 7023 & VdB 141

NGC 7023 crop  NGC 7023 crop  VdB 141 crop  VdB 141 crop

0bject NGC 7023 and VdB 141 Nebulae in Cepheus
Date October 2 - 9, 2017
Exposure LRGB 950:110:110:110 (21.3 hours, unbinned)
Camera STL11000M with AstroDon Gen II filters w/water assisted cooling
Telescope ASA 10N f/3.7 on AP900GTO CP3
Guiding Remote guide head with MiniBorg 50 mm
Processing MaximDL, Photoshop CS6
Comments Good seeing but with nearly full moon; acquired with CCD Commander from Animas, NM

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NGC 7023 Reflection Nebula in Cepheus (Iris Nebula)
Date 9/30/2005
Exposure LRGB 60:15:15:15 (300sec unbinned)
Camera SXV-H9 w/ Schuler filters
Telescope Takahashi Sky90 on Losmandy G11 w/Gemini
Guiding ST-4 80mm AT1010
Processing MaximDL, FITS Liberator, Photoshop CS, Astro Actions
Comments Carrizozo NM; very clear, limiting visual magnitude ~7.0; sky = 21.3 mag/arcsec

0bject NGC 7023 'Iris' Nebula in Cepheus
Date 11/8/2010
Exposure One shot color 20 x 60 seconds
Camera Starlight Xpress H9C
Telescope Celestron C11 w/HyperStar f/1.9
Guiding Unguided
Processing MaximDL, Photoshop CS4, AstroActions
Comments Dean Salman, San Pedro Observatory, Benson AZ; clear and cool