![Piestewa Peak, Phoenix, 2020](https://a4.pbase.com/g12/64/297864/3/172614568.O224AKiC.jpg) Piestewa Peak, Phoenix, 2020 |
![Central Phoenix, 2020](https://a4.pbase.com/g12/64/297864/3/172614569.EnHQ0J8H.jpg) Central Phoenix, 2020 |
![Anderson Mesa, 2021](https://a4.pbase.com/g12/64/297864/3/172614570.NJ9zdNzw.jpg) Anderson Mesa, 2021 |
![Aurora Borealis, Homer, AK, 2005](https://a4.pbase.com/v3/64/297864/3/49667530.CRW_1416.jpg) Aurora Borealis, Homer, AK, 2005 |
![Northern Lights, Iceland, 2017](https://a4.pbase.com/g12/64/297864/3/168967828.JVbhC9qR.jpg) Northern Lights, Iceland, 2017 |
![Sundog, Papago Park, 2019](https://a4.pbase.com/g12/64/297864/3/172614571.JRKz8kjM.jpg) Sundog, Papago Park, 2019 |
![Rare Haloes, Anderson Mesa, 2021](https://a4.pbase.com/g12/64/297864/3/172614572.Fm8arjBX.jpg) Rare Haloes, Anderson Mesa, 2021 |
![Fata Morgana Over Lake Michigan, 2012](https://a4.pbase.com/g12/64/297864/3/168967824.tlf7ApbU.jpg) Fata Morgana Over Lake Michigan, 2012 |
![ISS, Tempe, 2019](https://a4.pbase.com/g12/64/297864/3/172614573.41Zoseo8.jpg) ISS, Tempe, 2019 |
![ISS Over EVAC Observatory, Gilbert, 2020](https://a4.pbase.com/g12/64/297864/3/172614574.54UMqvJf.jpg) ISS Over EVAC Observatory, Gilbert, 2020 |
![Green Flash, Lake Michigan, 2012](https://a4.pbase.com/g12/64/297864/3/168967825.dTfaZbF2.jpg) Green Flash, Lake Michigan, 2012 |
![Sunset Over Lake Michigan, Muskegon, 2006](https://a4.pbase.com/g2/64/297864/3/65658107.TvyRgJJ2.jpg) Sunset Over Lake Michigan, Muskegon, 2006 |
![SpaceX Rocket Launch, South Mountain, Arizona, 2017](https://a4.pbase.com/g12/64/297864/3/168967830.buVW4fns.jpg) SpaceX Rocket Launch, South Mountain, Arizona, 2017 |
![Moonset Over VLA, Socorro, NM, 2006](https://a4.pbase.com/g3/64/297864/3/56478358.IMG_2249_BW.jpg) Moonset Over VLA, Socorro, NM, 2006 |
![First Quarter Moon Due South, Homer, AK, 2005](https://a4.pbase.com/v3/64/297864/3/49667525.CRW_1391.jpg) First Quarter Moon Due South, Homer, AK, 2005 |
![Waxing Crescent, Sears Tower, Chicago, IL, 2006](https://a4.pbase.com/g2/64/297864/3/65658060.9cWKtSMc.jpg) Waxing Crescent, Sears Tower, Chicago, IL, 2006 |
![Crescent Moon & Licancabur, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641623.uv2jV71L.jpg) Crescent Moon & Licancabur, Chile, 2011 |
![Setting Moon, Fredericksen's Meadow, AZ, 2004](https://a4.pbase.com/u47/polakis/medium/30392922.CRW_1640.jpg) Setting Moon, Fredericksen's Meadow, AZ, 2004 |
![15-hour Old Crescent Moon, Tempe Butte, AZ, 2007](https://a4.pbase.com/g6/64/297864/3/77354225.pG8F3TMj.jpg) 15-hour Old Crescent Moon, Tempe Butte, AZ, 2007 |
![Gibbous Moon, Anderson Mesa, 2021](https://a4.pbase.com/g12/64/297864/3/172614575.oqEgIvqM.jpg) Gibbous Moon, Anderson Mesa, 2021 |
![Moonset Behind Praying Monk, 2020](https://a4.pbase.com/g12/64/297864/3/172614576.8Tku2u7b.jpg) Moonset Behind Praying Monk, 2020 |
![Four Peaks Moonrise, 2020](https://a4.pbase.com/g12/64/297864/3/172614577.7IgvttOf.jpg) Four Peaks Moonrise, 2020 |
![Superstition Mountain Moonrise, 2020](https://a4.pbase.com/g12/64/297864/3/172614578.zc1pkgDS.jpg) Superstition Mountain Moonrise, 2020 |
![Venus Setting Over Phoenix, AZ, 2004](https://a4.pbase.com/u46/polakis/medium/29661006.venus3c.jpg) Venus Setting Over Phoenix, AZ, 2004 |
![Crescent Venus and Kitt Peak, Arizona, 2017](https://a4.pbase.com/g12/64/297864/3/168967829.LDEmM6uK.jpg) Crescent Venus and Kitt Peak, Arizona, 2017 |
![Moon & Venus, Tempe, AZ, 2009](https://a4.pbase.com/g1/64/297864/3/111659191.8h5catph.jpg) Moon & Venus, Tempe, AZ, 2009 |
![Moon, Mercury, Jupiter at Malibu, CA, 2008](https://a4.pbase.com/g1/64/297864/3/107568782.qxwasJRL.jpg) Moon, Mercury, Jupiter at Malibu, CA, 2008 |
![Venus & Jupiter, San Francisco, CA, 2009](https://a4.pbase.com/g1/64/297864/3/106704098.MieH8af2.jpg) Venus & Jupiter, San Francisco, CA, 2009 |
![Jupiter, Saturn, & Moon, North Phoenix, 2020](https://a4.pbase.com/g12/64/297864/3/172614579.vnmhxZ33.jpg) Jupiter, Saturn, & Moon, North Phoenix, 2020 |
![Comet McNaught & M34, Grand Canyon, AZ, 2010](https://a4.pbase.com/g1/64/297864/3/125536266.Y56HL5AC.jpg) Comet McNaught & M34, Grand Canyon, AZ, 2010 |
![Comet Machholz With Pleiades, Cherry Rd., AZ, 2005](https://a4.pbase.com/u13/polakis/medium/38592833.CRW_3077.jpg) Comet Machholz With Pleiades, Cherry Rd., AZ, 2005 |
![Comet C/2001 Q4 (NEAT) from Estrella Mts., AZ, 2004](https://a4.pbase.com/u45/polakis/medium/29206076.NEAT_20040505a.jpg) Comet C/2001 Q4 (NEAT) from Estrella Mts., AZ, 2004 |
![Comet Bradfied and Two Observers, 2004](https://a4.pbase.com/u45/polakis/medium/29205926.bradfield_20040425_20mm_2.jpg) Comet Bradfied and Two Observers, 2004 |
![Comet McNaught, Tempe, AZ, 2007](https://a4.pbase.com/g6/64/297864/3/72952680.i7s8xMrW.jpg) Comet McNaught, Tempe, AZ, 2007 |
![Comet Pan-STARRS & Moon, South Mountain, AZ, 2013](https://a4.pbase.com/g12/64/297864/3/168967826.El5ygwnP.jpg) Comet Pan-STARRS & Moon, South Mountain, AZ, 2013 |
![Geminid Meteors, Picketpost Mtn, AZ, 2010](https://a4.pbase.com/g1/64/297864/3/131133216.jkB36lhE.jpg) Geminid Meteors, Picketpost Mtn, AZ, 2010 |
![Geminid Meteors Over Picketpost Mountain, 2020](https://a4.pbase.com/g12/64/297864/3/172614581.RxLSHLtz.jpg) Geminid Meteors Over Picketpost Mountain, 2020 |
![Comet NEOWISE, 2020](https://a4.pbase.com/g12/64/297864/3/172614580.hdJPRA4e.jpg) Comet NEOWISE, 2020 |
![Comet NEOWISE, 2020](https://a4.pbase.com/g12/64/297864/3/172614582.diRjKJQr.jpg) Comet NEOWISE, 2020 |
![Meteor, Anderson Mesa, 2021](https://a4.pbase.com/g12/64/297864/3/172614583.t7qjcb4t.jpg) Meteor, Anderson Mesa, 2021 |
![Two Months of Asteroid 2056 Nancy, Tempe, 2018](https://a4.pbase.com/g12/64/297864/3/168967831.IijsoK27.jpg) Two Months of Asteroid 2056 Nancy, Tempe, 2018 |
![Total Solar Eclipse, Pacific Ocean, 2009](https://a4.pbase.com/g1/64/297864/3/115793249.XUmLZ0ux.jpg) Total Solar Eclipse, Pacific Ocean, 2009 |
![Total Solar Eclipse, Pacific Ocean, 2009](https://a4.pbase.com/g1/64/297864/3/115793267.MX1MANzw.jpg) Total Solar Eclipse, Pacific Ocean, 2009 |
![Lunar Eclipse at Picacho Peak, 2003](https://a4.pbase.com/u35/polakis/medium/23116295.lunareclipse_200311089a.jpg) Lunar Eclipse at Picacho Peak, 2003 |
![Mercury Transit Over South Mountain, 2019](https://a4.pbase.com/g12/64/297864/3/172614584.RORtLWcc.jpg) Mercury Transit Over South Mountain, 2019 |
![24 Clark and Hyades](https://a4.pbase.com/g3/64/297864/3/52589353.CRW_1979.jpg) 24" Clark and Hyades |
![Mt. Lemmon SkyCenter, Tucson, AZ, 2009](https://a4.pbase.com/g1/64/297864/3/104845979.fflxmQGC.jpg) Mt. Lemmon SkyCenter, Tucson, AZ, 2009 |
![Orion and Mt. Bigelow Kuiper Telescope, Tucson, AZ, 2006](https://a4.pbase.com/g6/64/297864/3/72073177.6RX6dgU2.jpg) Orion and Mt. Bigelow Kuiper Telescope, Tucson, AZ, 2006 |
![Stone Haven Observatory, Maricopa, AZ, 2008](https://a4.pbase.com/g1/64/297864/3/92893639.hP0h8BUq.jpg) Stone Haven Observatory, Maricopa, AZ, 2008 |
![Big Dipper at Grand Canyon Star Party, AZ, 2006](https://a4.pbase.com/g4/64/297864/3/62593541.YJpre1s1.jpg) Big Dipper at Grand Canyon Star Party, AZ, 2006 |
![Observer's Shadow, Namibia, 2004](https://a4.pbase.com/u47/polakis/medium/34020255.CRW_2361.jpg) Observer's Shadow, Namibia, 2004 |
![Death Valley, California, 2019](https://a4.pbase.com/g12/64/297864/3/168967832.JXiCpgDM.jpg) Death Valley, California, 2019 |
![Dave Healy's Junk Bond Observatory, Herford, AZ 2006](https://a4.pbase.com/g4/64/297864/3/63603310.dTzAV1Mm.jpg) Dave Healy's Junk Bond Observatory, Herford, AZ 2006 |
![Mt. Lemmon SkyCenter, Tucson, AZ, 2009](https://a4.pbase.com/g1/64/297864/3/104845988.ZbPpZIGd.jpg) Mt. Lemmon SkyCenter, Tucson, AZ, 2009 |
![Discovery Channel Telescope, Arizona, 2013](https://a4.pbase.com/g12/64/297864/3/168967827.j97Hoi7I.jpg) Discovery Channel Telescope, Arizona, 2013 |
![Anderson Mesa, 42-inch, 2021](https://a4.pbase.com/g12/64/297864/3/172614585.qJBm1szk.jpg) Anderson Mesa, 42-inch, 2021 |
![Observing at Picketpost Mtn., AZ, 2003](https://a4.pbase.com/u34/polakis/medium/22506709.picketpost3.jpg) Observing at Picketpost Mtn., AZ, 2003 |
![Observing the Southern Milky Way, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641626.X4i92ISw.jpg) Observing the Southern Milky Way, Chile, 2011 |
![Winter Stars in Morning Twilight, Fredericksen's Meadow, AZ, 2004](https://a4.pbase.com/u47/polakis/medium/30392924.CRW_1644.jpg) Winter Stars in Morning Twilight, Fredericksen's Meadow, AZ, 2004 |
![WIYN Telescope, Tucson, AZ, 2007](https://a4.pbase.com/g6/64/297864/3/74311850.X5Krh0hR.jpg) WIYN Telescope, Tucson, AZ, 2007 |
![Anderson Mesa, 42-inch and 72-inch, 2021](https://a4.pbase.com/g12/64/297864/3/172614586.flIEZZVP.jpg) Anderson Mesa, 42-inch and 72-inch, 2021 |
![Lowell Discovery Telescope, 2021](https://a4.pbase.com/g12/64/297864/3/172614587.dtsVTvCX.jpg) Lowell Discovery Telescope, 2021 |
![Lowell Discovery Telescope, 2021](https://a4.pbase.com/g12/64/297864/3/172614588.9lRdglh5.jpg) Lowell Discovery Telescope, 2021 |
![Lowell Discovery Telescope, 2022](https://a4.pbase.com/g12/64/297864/3/172614589.yrTITuJq.jpg) Lowell Discovery Telescope, 2022 |
![Pleiades Rising, Grand Canyon, AZ, 2007](https://a4.pbase.com/g6/64/297864/3/83919860.K5TllG6Z.jpg) Pleiades Rising, Grand Canyon, AZ, 2007 |
![Milky Way and Magellanic Clouds, Namibia, 2004](https://a4.pbase.com/u25/polakis/medium/34020261.CRW_1857.jpg) Milky Way and Magellanic Clouds, Namibia, 2004 |
![Orion Rising, Namibia, 2004](https://a4.pbase.com/u47/polakis/medium/34020253.CRW_2289.jpg) Orion Rising, Namibia, 2004 |
![LMC Over Dune, Namibia, 2004](https://a4.pbase.com/u47/polakis/medium/34020250.CRW_2277.jpg) LMC Over Dune, Namibia, 2004 |
![Southern Milky Way, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641631.gJ44YuqG.jpg) Southern Milky Way, Chile, 2011 |
![Galactic Center, Chile, 2011](https://a4.pbase.com/g4/64/297864/3/135641630.2ucGRcOG.jpg) Galactic Center, Chile, 2011 |