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| Tom and Jennifer Polakis | profile | all galleries >> Time-lapse Animations >> Deep Sky | tree view | thumbnails | slideshow |
:: Expanding Planetary Nebulae :: |
:: Nova and Supernova Remnants :: |
:: Emission Nebulae :: |
:: Variable Reflection Nebulae :: |
 Beehive Cluster: 1954-2024 |
 Pleiades - 1899-2017 |
 Barnard's Star: 1894 - 2023 |
 Barnard's Star -- 9 years |
 Barnard's Star - 5 years - Narrow field |
 Globular cluster M3 and RR Lyrae stars - 3 hours |
 Quasar CTA 102 - 25 days |
 Supernova in galaxy NGC 3583 - 11 weeks |
 Eclipsing binary star W Corvi - 2 1/2 hours |
 Asteroid 188 Menippe passes near globular cluster NGC 6712 - 2 1/2 hours |
 Wolf359 Proper Motion: 1953-2020 |
 Supernova in NGC 4647 |
 M3 Variable Stars Improved: 2022 June 20 |
 M3 Variable Stars Improved: 2022 June 20 |
 M3 Variable Stars Improved Again: 2023 Apr 10 |
 M3 Variable Stars, 5-minute Interval: 2023 Apr 10 |
 Supernova in Siamese Twin Galaxy NGC 4568 |
 Supernova in NGC4216 |
 RR Lyrae Stars in Four Globular Clusters -- 2024 June 5 |
 Supernova Remnant IC 443 -- 70 years |
 Supernova Remnant IC 443 -- 70 years |
 RR Lyrae Stars in M53 -- 2025 Jan 31 |
 RR Lyrae Stars in M5 -- 2025 Feb 28 |
 2025 March 21: Supernova in M101 |
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