Some selected sky photography from Cassiopeia Observatory. Click a thumbnail to see a larger version.

Zodiacal Light 27 January 2011 D7000 DSLR f/3.5, 30 seconds, ISO 2000 27mm lens	Summer Milky Way 3 June 2011 D7000 DSLR f/3.5, 5 minutes, ISO 500 18mm lens	Orion over Moonlit Snow 3 December 2011 D7000 DSLR f/5.6, 25 seconds, ISO 500 18mm lens
Zodiacal Light 11 February 2012 D7000 DSLR f/3.5, 30 seconds, ISO 2000 18mm lens	Zodiacal Light, Taurus, Pleiades, Venus, & Jupiter 20 March 2012 D7000 DSLR f/4, 60 seconds, ISO 800 18mm lens	Winter Night Sky 7 December 2012 D7000 DSLR f/8, 10 minutes, ISO 2500 8mm fisheye lens
Winter Milky Way 7 December 2012 D7000 DSLR f/8, 10 minutes, ISO 2000 8mm fisheye lens	Zodiacal Light & Milky Way 11 January 2013 D7000 DSLR f/5, 30 seconds, ISO 5000 8mm fisheye lens	Crescent Moon at Sunset 12 January 2013 D7000 DSLR f/5, 1/60second, ISO 1600 102mm lens
Planets Conjunction at Sunset 26 May 2013 D7000 DSLR f/5.3, 1/15second, ISO 400 75mm lens	Northern Sky Star Trails 31 May 2013 D7000 DSLR 30 minutes, ISO 1600 18mm lens	Northern Sky Star Trails 2 June 2013 D7000 DSLR 60 minutes, ISO 5000 8mm fisheye lens
Airglow over Southern Arizona 2 June 2013 D7000 DSLR f/5, 1 minute, ISO 5000 8mm fisheye lens	Milky Way rising 3 June 2013 D7000 DSLR f/5, 1 minute, ISO 5000 8mm fisheye lens	Summer Milky Way 14 June 2013 D7000 DSLR f/5, 10 minutes, ISO 1600 8mm fisheye lens
Milky Way 7 August 2013 D7000 DSLR f/5.6, 30 seconds, ISO 5000 8mm fisheye lens	Perseid Meteors 11 August 2013 D7000 DSLR 8mm fisheye lens	Nova Delphini 2013 27 August 2013 D7000 DSLR f/4.8, 2 minutes, ISO 1600 42mm lens
Crab Nebula and Hyades 3 November 2013 D7000 DSLR f/5, 5 minutes, ISO 1600 50mm lens	Orion 3 November 2013 D7000 DSLR f/4.2, 5 minutes, ISO 1600 34mm lens	Observatory, Jupiter, Moon, Constellations 14 January 2014 D7000 DSLR f/16, 30 seconds, ISO 1600 8mm fisheye lens
Observatory, Jupiter, Constellations 22 January 2014 D7000 DSLR f/5, 30 seconds, ISO 1600 8mm fisheye lens	Milky Way from Oracle State Park 3 May 2014 D7000 DSLR f/8, 5 minutes, ISO 2500 8mm fisheye lens	Sun's Brother Star HD162826 10 May 2014 D7000 DSLR 20 seconds, ISO 1600 Prime Focus
Camelopardalid meteor 24 May 2014 D7000 DSLR f/5, 2 minutes, ISO 5000 8mm fisheye lens	Orion 14 January 2015 D7000 DSLR f/4.2, 2 minutes, ISO 6400 34mm lens	Zodiacal Light 7 February 2015 D7000 DSLR f/5.6, 30 seconds, ISO 1600 8mm fisheye lens
Moon, Close Venus-Mars Conjunction 21 February 2015 D7000 DSLR f/4.5, 1/5sec, ISO 1600 18mm lens	Moon, Close Venus-Mars Conjunction 21 February 2015 D7000 DSLR f/4.8, 1/5sec, ISO 1600 45mm lens	Nova Sagittarii 2015 No. 2 17 March 2015 D7000 DSLR f/4.5, 15 seconds, ISO 6400 FL 35mm lens
Nova Sagittarii 2015 No. 2 22 March 2015 D7000 DSLR f/5.6, 5 seconds, ISO 6400 FL 105mm lens	Nova Sagittarii 2015 No. 2 22 March 2015 D7000 DSLR f/3.5, 15 seconds, ISO 4000 FL 18mm lens	Jupiter, Venus, Crescent Moon 19 June 2015 D7200 DSLR f/5.6, 30 seconds, ISO 1600 FL 18mm lens
Venus/Jupiter Conjunction 37' separation 29 June 2015 D7200 DSLR f/5.6, 2 seconds, ISO 4000 FL 300mm lens	Venus/Jupiter Conjunction 21'47" separation 30 June 2015 (day) iPhone 5s Afocal 77X	Venus-Moon Daytime Conjunction 8 October 2015 D7200 DSLR f/8, 1/500sec, ISO 400, FL 300mm lens
Pleiades and Hyades 13 November 2015 D7200 DSLR f/4, 1/2sec, ISO 12800, FL 27mm lens	Venus Daytime Occultation & Plane 7 December 2015 D7200 DSLR FL 600mm lens	Comet C/2013 US10 Catalina, Mars, Meteors 14 December 2015 D7200 DSLR FL 30mm lens
Belt of Venus & Mt Lemmon shadow 1 January 2016 D7200 DSLR FL 18mm lens	Zodiacal Light & Milky Way 3 February 2016 D7200 DSLR FL 8mm Fisheye lens	Saturn & Mars in Scorpius 26 May 2016 D7200 DSLR FL 18mm
Milky Way 2 July 2016 D7200 DSLR FL 18mm	Lyra and Ring Nebula 2 July 2016 D7200 DSLR FL 140mm	Venus-Mercury Conjunction 16 July 2016 D7200 DSLR FL 360mm
Summer Milky Way 4 September 2016 D7200 DSLR FL 8mm Fisheye lens	Winter Night Sky 28 January 2017 D7200 DSLR f/5, 10 minutes, ISO 1600 FL 8mm Fisheye lens SkyTracker Pro	Star Canopus 9 February 2017 D7200 DSLR f/11, 10 seconds, ISO 1600 FL 18mm
Orion 24 February 2017 D7200 DSLR f/4.2, 5 minutes, ISO 3200 FL 35mm SkyTracker Pro	Zodiacal Light 20 April 2017 D7200 DSLR f/5, 1 minute, ISO 5000 FL 8mm Fisheye Lens SkyTracker Pro	Omega Centauri Globular Cluster 22 May 2017 1 minute, ISO 6400 FL 140mm SkyTracker Pro
Milky Way 28 May 2017 D7200 DSLR f/3.5, 2 minutes, ISO 5000 FL 18mm SkyTracker Pro	KIC 9832227 Red Nova Candidate 28 May 2017 D7200 DSLR 30 seconds, ISO 5000 Prime Focus + Focal Reducer	Milky Way & Observatory 16 June 2017 D7200 DSLR f/3.5, 1 minute, ISO 5000 FL 18mm SkyTracker Pro
Kitt Peak, Mercury, & Saturn 24 November 2017 iPhone 8 Plus 2X telephoto lens	Orion 15 December 2017 D7200 DSLR f/3.8, 1 minute, ISO 3200 FL 26mm SkyTracker Pro	SpaceX Falcon 9 Launch seen from Arizona 22 December 2017 D7200 DSLR f/3.5, 1/10sec, ISO 4000 FL 18mm
Orion and Observatory 11 January 2018 D7200 DSLR f/5, 30 seconds, ISO 1600 FL 8mm Fisheye SkyTracker Pro	Zodiacal Light and Observatory 11 January 2018 D7200 DSLR f/5, 1 minute, ISO 1600 FL 8mm Fisheye SkyTracker Pro	Sky and SpaceX Rocket 6 February 2018 D850 DSLR f/3.5, 1 second, ISO 25600 FL 8mm Fisheye
SpaceX Rocket 6 February 2018 D850 DSLR f/2.8, 1/4sec, ISO 25600 FL 70mm	Venus-Mercury Conjunction (1° 04') 3 March 2018 D850 DSLR f/6.3, 1/15sec, ISO 100 FL 150mm	Panorama: Rising Moon at Sunset, Observatory 27 May 2018 iPhone 8 Plus
KIC 9832227 Red Nova Candidate 17 July 2018 D850 DSLR f/1.4, 1/4sec, ISO 6400, FL 50mm Handheld	KIC 9832227 Red Nova Candidate 31 July 2018 D850 DSLR 30 seconds, ISO 5000 Prime Focus	Mars, Saturn, Jupiter, & Venus 31 July 2018 D850 DSLR 1/2sec, ISO 6400 8mm fisheye lens
KIC 9832227 Red Nova Candidate 4 August 2018 D850 DSLR f/1.4, 30 seconds, ISO 800, FL 50mm SkyTracker Pro	Saturn, M8 Lagoon Nebula, M20 Trifid Nebula 4 August 2018 D850 DSLR f/4.5, 1 minute, ISO 3200, FL 70mm SkyTracker Pro	Saturn, M8 Lagoon Nebula, M20 Trifid Nebula 4 August 2018 D850 DSLR f/5.6, 1 minute, ISO 5000, FL 300mm SkyTracker Pro
Observatory, Jupiter, Venus, Moon 11 September 2018 D850 DSLR f/2.8, 1/20sec, ISO 1600, FL 35mm	Moon, Planets, ISS, Planes, POD 20 September 2018 D850 DSLR f/16, 10 seconds, ISO 1600, FL 8mm fisheye lens	Double Cluster, M31, M33 5 October 2018 D850 DSLR f/2.8, 1 minute, ISO 6400, FL 24mm SkyTracker Pro
Milky Way 6 November 2018 D850 DSLR f/5, 2 minute, ISO 3200, FL 8mm Fisheye Lens SkyTracker Pro	Comet 46P/Wirtanen, Pleiades, Hyades 12 December 2018 D850 DSLR FL 50mm	Comet 46P/Wirtanen, Pleiades, Hyades 13 December 2018 D850 DSLR FL 70mm
Orion 8 January 2019 f/4.5, 3 minutes, ISO 5000 Focal Length 70mm, SkyTracker Pro	Sky during Total Lunar Eclipse 20 January 2019 f/5, 15 seconds, ISO 3200 8mm fisheye lens	Zodiacal Light 26 January 2019 f/2.8, 15 seconds, ISO 2500 FL 24mm
Zodiacal Light, Mars, Mercury 27 February 2019 f/5, 30 seconds, ISO 1600 FL 8mm fisheye lens	Mars-Mercury Conjunction 27' 17 June 2019 f/2.8, 1/15sec, ISO 3200 FL 46mm (crop)	Mars-Mercury Conjunction 18' 18 June 2019 f/2.8, 1/15sec, ISO 3200 FL 65mm