Lepus
Lepus is a Southern Hemisphere constellation otherwise known as the Hare. It is one of the 48 Greek constellations originally described by the 2nd century astronomer Claudius Ptolemy (Wikipedia). Lepus remains one of the 88 modern constellations defined by the International Astronomical Union (Wikipedia).
Lepus (abbrev. = Lep; genitive = Leporis) covers 290 square degrees or 0.70% of the celestial sphere making it the 51st largest constellation. It contains 73 stars brighter than apparent magnitude 6.5, the brightest star being Arneb. See the Lepus Star Chart for a figure illustrating this constellation including the identification of its brighter stars.
For more information see the entries for Lepus at Wikipedia and U. Wisconsin. For a chart of Lepus, see Lep (IAU).
Technical Details
- Object: Lepus
- Date/Time: 2012 Feb 25 at 03:29 UTC
- Location: Bifrost Astronomical Observatory, Portal, AZ
- Mount: Losmandy G-11 German Equatorial Mount
- Lens: Nikkor AI 50mm f/1.8
- Camera: Canon EOS 550D (Rebel T2i)
- Field of View: 25.1° x 16.9° at 17.4 arc-sec/pixel (web version: 98 arc-sec/pixel)
- Exposure: 240s, f/4, ISO 800 and 120s, f/2.8, ISO 800 with Cokin A840 Diffusion Filter
- File Name: Lep-01w.jpg
- Processing (Adobe Camera Raw): Color Balance, Vignetting, Noise Reduction
- Processing (Photoshop CS5): Curves, Layers
- Original Image Size: 3454 × 5179 pixels (17.9 MP); 11.5" x 17.3" @ 300 dpi
- Rights: Copyright 2012 by Fred Espenak. All Rights Reserved. See: Image Licensing.