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Photography by

Tom Masterson

Solar System

Comet C/2020 R4 (ATLAS) Passes by the Whale Galaxy and Hockey Stick Galaxy APOD 5/13/2021

Blue Pleiades and Red Mars

Emerald Comet Visits Colorful Auriga

The Green Fourth ‘Star’ of Orion’s Belt

Comet C/2020 F3 NEOWISE 7/22/2020

~20 Degrees of Comet C/2020 F3 NEOWISE

Comet C/2020 F3 NEOWISE Puts on a Spectacular Show

Comet C/2017 T2 PanSTARRS Passes by Galaxies M81 and M82

The Fiery Red California Nebula, Deep Blue Pleiades and a Green Comet 46P Wirtanen

Comet 46P Wirtanen 12/9/2018 7:58-8:45pm MST

Comet 46P/Wirtanen (Comet and Star Stack)

Comet 46P/Wirtanen (Comet and Star Stack, Annotated)

Comet 46P/Wirtanen OSC 11/26/2018 20:31-20:51 MST (cropped image)

Comet 21P/Giacobini-Zinner From 9/8/2018 2:14 to 4:20 a.m. MDT

Comet 21P in Auriga

Comet 21P/Giacobini-Zinner From 8/17/2018 1:27 to 2:22 a.m. PDT

Comet 21P/Giacobini-Zinner Visits the Heart And Soul Nebulae

The Blue Comet Meets the Blue Sisters APOD 2/12/2018

Two Comets Pass by The Dusty Pleiades and the Fiery California Nebula

Partial Lunar Eclipse Over Bel Air CA 1/31/2018

Comet Lovejoy 2014 Q2 taken on 1/24/2015 21:50-23:23 PST from Afton Canyon, CA.

Comet C/2017 O1 (ASAS-SN) Slides by the Pleiades and California Nebula

Comet Lovejoy 2014 Q2 taken on 1/24/2015 21:50-23:23 PST from Afton Canyon, CA.

Lunar Eclipse Panorama 1/31/2018

Comet Lovejoy 2014 Q2 1/24/2015 2150-2323 plate solved crop

Lunar Eclipse Approaches the Horizon, Los Angeles, CA 1/31/2018

Comet Lovejoy 2014 Q2 taken on 1/24/2015 21:50-23:23 PST from Afton Canyon, CA.

Comet Lovejoy 2014 Q2 1/13/2015

Plane Trip to the Moon

Lunar Eclipse 4/4/2015 at 5:00 PDT

Lunar Eclipse 4/4/2015 from 4:30-5:10 PDT

Lunar Eclipse 4/4/2015 from 3:30-6:00 PDT

Io, Jupiter, Ganymede 12/7/2014

Jupiter Ganymede Io 2/12/2015 23:27PST

Moon Craters: Gauss, Hahn, and Berosus 12/7/2014

Two Comets Pass by The Dusty Pleiades and the Fiery California Nebula (with labels)

Comet 252/P Linear, Saturn and Mars with the Milky Way from 4/3/2016

Comet 45P/Honda–Mrkos–Pajdušáková (12/28/2016)

Comet 45P/Honda–Mrkos–Pajdušáková (12/28/2016)

Europa, Jupiter and Io 12/19/2015 4:49 PST

Moon Mosaic

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