NGC 2903 My First Herschel Submission.

Telescope: Type: Corrected Dall-Kirkham
Effective Aperture: 508mm (20")
Nominal Focal Length:3454mm (135.98")
Nominal Focal Ratio: f/6.8
Field-of-View (FOV): 37x37 arc-minutes
Primary Mirror:
        Diameter 521mm (20.5")
        Aperture 508mm (20")
        Focal ratio f/3
        Mounting Laser Collimated and Permanently Fixed
        Material Precision Annealed Pyrex
        Shape Prolate Ellipsoid
        Coating Enhanced Aluminum - 96%
Secondary Mirror:
        Diameter 7.5 inch (191mm)
        Material Precision Annealed Borosilicate
        Shape Spherical
        Coating Enhanced Aluminum - 96%
Lens Group:
        Diameter 90mm (3.54")
        Number of lenses 2
        Coating Broadband AR Coatings (less than .5% reflected from 400 to 700nm)
Telescope Mount: : Paramount ME II
CCD Camera:
Model: FLI PL09000 (Kodak KAF-09000 CCD)
Resolution: 3056x3056 pixels (binned 1×1)
Pixel Size: 12x12µm
Peak QE: 64% (at 550nm)
Image Specification:
Image Scale: 0.717arcseconds/pixel (binned 1x1)
North Angle: 0° (North-Up)
Angular Size: 0° 37' 00" x 0° 37' 00" (Field-Of-View)
Resolution:
Binning 1x1: 3056x3056 (before cropping)
Binning 2x2: 1528x1528 (before cropping)
Binning 3x3: 1018x1018 (before cropping)