The Milky Way looking east. This is a single 25-s stationary full-color exposure, taken with a Canon-EOS 5D DSLR camera (modified for astrophotography by Hutech) at ISO 1600 through a Canon 15mm f/2.8 fisheye lens by F. Ringwald. |
The Milky Way looking south. This is a single 25-s stationary full-color exposure, taken with a Canon-EOS 5D DSLR camera (modified for astrophotography by Hutech) at ISO 1600 through a Canon 15mm f/2.8 fisheye lens by F. Ringwald. |
The best Perseid meteor so far, 2013 August 11-12. This is a single 25-s stationary full-color exposure, taken with a Canon-EOS 5D DSLR camera (modified for astrophotography by Hutech) at ISO 1600 through a Canon 15mm f/2.8 fisheye lens by F. Ringwald. |
The Sun at the Vernal Equinox and Solstices, taken in 2014 and 2015. This is a composite of 1/4-s stationary, full-color exposures through a Thousand Oaks Type 2+ solar filter, with a composite background taken with automatic snapshots at morning and evening civil twilight, taken with a Canon-EOS 60Da DSLR astrocamera at ISO 1600 through a Sigma 4.5mm f/2.8 EX DC HSM circular fisheye lens by F. Ringwald. |
The Summer Triangle. This is a single 25-s stationary full-color exposure, taken with a Canon-EOS 60Da DSLR astrocamera at ISO 1600 through a Sigma 4.5mm f/2.8 EX DC HSM circular fisheye lens by F. Ringwald. |
The lunar eclipse of 2014 October 8 PDT, full-color images taken with a Canon EOS 60Da astrophotography DSLR camera at ISO 100 with exposure times between 1/640s and 8s through an EF 100-400mm f/4.5-5.6L IS USM lens with f=200mm at f/5.6 by F. Ringwald |
M16, the Eagle Nebula in Serpens, 2010 June 13, full-color (L made from H alpha 61 x 30s, R 25 x 30s, G 25 x 30s, B 41 x 30s) unguided STL-11000M image at f/8 and post-processed with Neat Image by F. Ringwald, processed by Gerald Rude. |
M1, the Crab Nebula in Taurus, 2008 September 26 and October 22, 24, and 26, full-color (L 23 x 180s, R 9 x 180s + H alpha 9 x 180s, G 5 x 180s, B 9 x 180s) unguided STL-11000M image at f/8 and post-processed with Neat Image by F. Ringwald. |
The spectrum of Vega, 2009 June 17. This is an intensity versus wavelength plot, with a dispersion of 0.72 nm/pixel and a spectral resolution of 1.6 nm (16 Angstroms). It was extracted from a single dark-subtracted 0.1-s STL-11000M exposure, taken through a transmission grating taken from a Rainbow Optics Star Spectroscope and fitted into the DFM filter wheel by F. Ringwald. |
The spectrum of Vega, 2009 June 17. The image of Vega is to the right of the spectrum. This is a single dark-subtracted 0.1-s STL-11000M exposure, taken through a transmission grating taken from a Rainbow Optics Star Spectroscope and fitted into the DFM filter wheel by F. Ringwald. |
h and chi Persei, the double cluster in Perseus, 2008 September 28. This is a median-combined composite of 5x300-s unguided, dark-subtracted, full-color exposures, taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 800 through a Canon EF 200mm f/2.8L II USM lens by F. Ringwald. |
M31, the Great Galaxy in Andromeda, 2008 September 27. This is a median-combined composite of 5x600-s unguided, dark-subtracted, full-color exposures, taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 800 through a Canon EF 200mm f/2.8L II USM lens and unsharp-masked by F. Ringwald. |
NGC 2237-39, 44, and 46, Caldwell 49, the Rosette Nebula in Monoceros the Unicorn, 2008 September 28. This is a median-combined composite of 7x300s unguided, dark-subtracted, full-color exposures, taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 1600 through a Canon EF 200mm f/2.8L II USM lens by F. Ringwald. |
The Heavenly G, also known as the Galactic Anti-Center, 2008 November 30. This is a median-combined composite of 3x600s unguided, dark-subtracted, full-color exposures, taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 400 through a Canon EF 15mm f/2.8 fisheye lens and processed with GradientXterminator by F. Ringwald. |
The northern Milky Way, centered on Cassiopeia, 2008 November 30. This is a median-combined composite of 3x600-s unguided, dark-subtracted, full-color exposures, taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 400 through a Canon EF 15mm f/2.8 fisheye lens by F. Ringwald. |
The Heavenly G, also known as the Galactic Anti-Center, 2008 November 30. This is a median-combined composite of 9x30s unguided, dark-subtracted, full-color exposures, taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 1600 through a Canon EF 15mm f/2.8 fisheye lens and processed with Photoshop's auto-curves and auto-color-adjust functions by F. Ringwald. |
NGC 7293, the Helix Planetary Nebula in Aquarius, 2008 September 25 and 26, full-color (L 27 x 180s through an Astrodon Clear filter + H alpha 29 x 180s, R 9 x 180s, V 5 x 180s, B 9 x 180s) unguided STL-11000M image at f/8 by F. Ringwald and processed by James Rubio. |
M27, the Dumbbell Planetary Nebula in Vulpecula (the Fox with a Duck), 2008 September 23, 25, and 26, full-color (L 27 x 60s through an Astrodon Clear filter + H alpha 9 x 180s and gamma-log scaled, R 9 x 60s + H alpha 9 x 180s, V 5 x 50s, B 9 x 60s) unguided STL-11000M image at f/8 by F. Ringwald and processed by Cleotilde Ruiz. |
M27, the Dumbbell Planetary Nebula in Vulpecula (the Fox with a Duck), 2008 September 23, 25, and 26, full-color (L 27 x 60s through an Astrodon Clear filter and gamma-log scaled, R 9 x 60s + H alpha 9x180s, V 5 x 50s, B 9 x 60s) unguided STL-11000M image at f/8 by F. Ringwald and processed by Cleotilde Ruiz. |
NGC 253, the Silver Coin Galaxy in Sculptor, 2008 September 24, full-color (L 27 x 60s through an Astrodon Clear filter + H alpha 9 x 60s, R 9 x 60s, V 5 x 60s, B 9 x 60s) unguided STL-11000M image at f/8 by F. Ringwald and processed by Cleotilde Ruiz. |
NGC 1275 and the Perseus Cluster of Galaxies, 2008 September 25, full-color (L 17 x 180s through an Astrodon Clear filter, R 9 x 180s, V 5 x 180s, B 9 x 180s) unguided STL-11000M image at f/8 by F. Ringwald and processed by James Rubio. |
IC 1613, dwarf irregular Local Group galaxy in Cetus the Whale , 2008 September 26 and October 26, full-color (L 35 x 180s through an Astrodon Clear filter + H alpha 9 x 180s, R 9 x 180s, V 5 x 180s, B 9 x 180s) unguided STL-11000M image at f/8 by F. Ringwald and processed by James Rubio. |
NGC 6888, the Crescent Nebula in Cygnus, 2008 June 7, full-color (L 15 x 180s through an Astrodon Clear filter + H alpha 9 x 180s, R 9 x 180s, V 5 x 180s, B 9 x 180s) unguided STL-11000M image at f/8 by F. Ringwald. |
Five-day-old Moon, 2008 June 8. This is a single full-color, unguided, unsharp-masked 1/30-s exposure with a Canon-EOS 20Da DSLR astrocamera at ISO 100 through the Meade 127 ED APO f/7.5 guidescope by F. Ringwald. First guidescope image! |
The North America Nebula (left) and the Gamma Cygni Nebula (right), 2008 June 8. This is a median-combined composite of 5x600s unguided, dark-subtracted, full-color exposures, taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 800 through a Canon EF-S 17-85mm f/4-5.6 zoom lens with F=85mm at f5.6 by F. Ringwald. First piggybacked image! |
M101, the Whirlpool Galaxy in Ursa Major, 2008 June 5, full-color (L 9 x 180s through an Astrodon Clear filter, R 14 x 180s + H alpha 14 x 180s, V 8 x 180s, B 14 x 180s) unguided STL-11000M image at f/8 by F. Ringwald. First color image! |
Abell 2151, cluster of galaxies in Hercules, 2008 June 6, full-color (L 15 x 180s through an Astrodon Clear filter, R 7 x 180s, V 5 x 180s, B 8 x 180s) unguided STL-11000M image at f/8 by F. Ringwald. |
Ancient globular star clusters NGC 6522 and 6528 in Sagittarius, 2008 June 6, full-color (L 15 x 60s through an Astrodon Clear filter, R 7 x 60s, V 5 x 60s, B 7 x 60s) unguided STL-11000M image at f/8 by F. Ringwald. |
Fresno State's 16-inch telescope at Sierra Remote Observatories, 2008 June 6. Snapshot by F. Ringwald. |
Fresno State's 16-inch telescope at Sierra Remote Observatories, 2008 June 6. Snapshot by F. Ringwald. |
Near the Galactic Center, 2008 June 18. This was a single dark-subtracted, autoguided 600-s exposure taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 400 through a Canon EF-S 17-85mm f/4-5.6 zoom lens with F=53mm at f5.6 and unsharp-masked by F. Ringwald. |
The North Circumpolar Sky, 2008 June 19. This was a single unguided 30-s exposure taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 1600 through a Canon EF 15mm f/2.8 fisheye lens by F. Ringwald. |
An Iridium flare in the North Circumpolar Sky, 2008 June 19. This was a single 120-s exposure taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 1600 through a Canon EF 15mm f/2.8 fisheye lens by F. Ringwald. |
Our site mascot Mr. Red, a Red-Tailed Hawk, 2008 June 18, snapshot with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) through a Canon EF 200mm f/2.8L II USM lens by F. Ringwald. |
The Moon and planets after sunset, 2008 June 19, 9:28 PDT. Can you spot the sickle of Leo?. This was a single 5-s exposure taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 400 through a Canon EF-S 17-85mm f/4-5.6 zoom lens with F=26mm at f4.5 with titles added with Photoshop by F. Ringwald. |
The Milky Way with an Iridium Flare and an airplane trail, 2008 June 19. This was a single 120-s exposure taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 1600 through a Canon EF 15mm f/2.8 fisheye lens by F. Ringwald. |
The DFM Engineering 16-inch telescope, 2007 December 16, snapshot by Greg Morgan. |
The DFM Engineering 16-inch telescope, 2007 December 16, snapshot by Greg Morgan. |
The DFM Engineering 16-inch telescope, 2007 December 16, snapshot by Greg Morgan. |
The Summer Triangle, 2006 July 15. This was a single dark-subtracted, autoguided 600-s exposure taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 400 through a Canon EF 15mm f/2.8 fisheye lens by F. Ringwald. |
Looking down on the temperature inversion over Fresno, which Greg Morgan calls "the Yuck layer", 2006 July 28. This was a snapshot with a Canon 20Da DSLR camera by F. Ringwald. |
The Northern Milky Way, 2006 August 26. This was a single dark-subtracted, unguided 1200-s exposure taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 200 through a Canon EF 15mm f/2.8 fisheye lens by F. Ringwald. |
Mel Helm at the Bald Spot, 2006 July 28. This was a snapshot with a Canon 20Da DSLR camera by F. Ringwald. Click here for Melvin R. Helm Astrophotography. |
The Circumpolar Constellations, 2006 July 28. This was a single dark-subtracted, unguided 60-s exposure taken with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 1600 through a Canon EF 15mm f/2.8 fisheye lens by F. Ringwald. |
Greg Morgan ready for a night of observing, 2006 July 1. This was a snapshot with a Canon 20Da DSLR camera by F. Ringwald. Click here for Old Star Light, Greg's astrophotography website. |
City Light Devouring the Milky Way, 2006 July 21. This is a single dark-subtracted, 1200-s autoguided exposure with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 200 through a Canon EF 15-mm f/2.8 fisheye lens by F. Ringwald. |
The Galactic Center, 2006 July 21. This is the same exposure as at left, cropped and with gradients removed with GradientXterminator and Photoshop by F. Ringwald. |
The Central Valley Astronomers at Courtright, 2006 June 24. From left to right are Dale Lohrmann, Greg Morgan (sitting), Dexter Chumley, Clarence Noell, and Fred Lusk. This is a hand-held 3.2-s exposure with a Canon 20Da DSLR camera at ISO 1600 through an image-stabilized Canon EF-S 17-85mm f/4-5.6 zoom lens with F=20 mm at f/4.0 by F. Ringwald. |
North Circumpolar Star Trails, 2005 September 3. This is a several-minute exposure on Agfacolor Vista 400 film in a Promaster 2000PK 35-mm SLR camera through a Promaster zoom lens with F=35 mm at f/3.5 with the 4"x5" print scanned at 600 dpi, resampled, and reduced with Photoshop by F. Ringwald. |
Greg Morgan Observing, 2005 September 3. This is a 0.5-s exposure on Agfacolor Vista 400 film in a Promaster 2000PK 35-mm SLR camera through a Promaster zoom lens with F=35 mm at f/3.5 with the 4"x5" print scanned at 600 dpi, resampled, reduced, and contrast-enhanced with Photoshop by F. Ringwald. |
The Zodiacal Light, also called "the False Dawn", 2005 September 3. This is a several-minute exposure on Agfacolor Vista 400 film in a Promaster 2000PK 35-mm SLR camera through a Promaster zoom lens with F=35 mm at f/3.5 with the 4"x5" print scanned at 600 dpi, resampled, and reduced with GradX and Photoshop by F. Ringwald. |
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North Circumpolar Star Trails, 2005 September 3. This is a several-minute exposure on Agfacolor Vista 400 film in a Promaster 2000PK 35-mm SLR camera through a Promaster zoom lens with F=35 mm at f/3.5 with the 4"x5" print scanned at 600 dpi, resampled, and reduced with Photoshop by F. Ringwald. |
Star trails with meteor (center bottom), 2005 September 3. This is a several-minute exposure on Agfacolor Vista 400 film in a Promaster 2000PK 35-mm SLR camera through a Promaster zoom lens with F=35 mm at f/3.5 with the 4"x5" print scanned at 600 dpi, resampled, and reduced with Photoshop by F. Ringwald. |
Orion and Taurus rising, 2005 September 3. This is a several-minute exposure on Agfacolor Vista 400 film in a Promaster 2000PK 35-mm SLR camera through a Promaster zoom lens with F=35 mm at f/3.5 with the 4"x5" print scanned at 600 dpi, resampled, and reduced with Photoshop by F. Ringwald. |
The constellation Hercules, 2005 September 3. This is a 30-s exposure with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 400 through a Canon EF-S 18-55mm f/3.5-5.6 zoom lens with F=18mm at f/3.5 by F. Ringwald. |
The constellation Capricornus, 2005 September 3. This is a 90-s exposure with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 400 through a Canon EF-S 18-55mm f/3.5-5.6 zoom lens with F=18mm at f/3.5 by F. Ringwald. |
Orion and Auriga rising, 2005 September 3. This is a 300-s exposure with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 400 through a Canon EF-S 18-55mm f/3.5-5.6 zoom lens with F=18mm at f/3.5 by F. Ringwald. |
The Heavenly G, also known as the Galactic Anti-Center, 2006 October 21. This is a single unguided 443-s exposure with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 400 through a Canon EF 15-mm f/2.8 fisheye lens by F. Ringwald. |
A meteor from the Orionid shower, from the trail left by Halley's Comet, 2006 October 21. This is a single unguided 30-s exposure with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 1600 through a Canon EF 15-mm f/2.8 fisheye lens by F. Ringwald. |
The Zodiacal Light, just before dawn on 2006 October 22. This is a 209-s exposure with a Canon-EOS 20Da DSLR camera at ISO 800 through a Canon EF-S 17-85mm f/4-5.6 zoom lens with F=17mm at f4.0 by F. Ringwald. |
George and Greg Morgan, 2007 March 17. Snapshot by F. Ringwald. |
The constellation Cassiopeia, 2006 October 21. This is a single autoguided 1200-s exposure with a Canon-EOS 300D Digital Rebel DSLR camera (modified for astrophotography by Hutech) at ISO 400 through a Canon EF-S 17-85mm f/4-5.6 zoom lens with F=44mm at f5.0 by F. Ringwald. |