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https://astrophotosgy.com/learn/mercury-venus-from-guyana/ 2026-10-06T16:19:20-04:00 https://astrophotosgy.com/learn/mars-opposition-2027/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/learn/videos/core-season-from-guyana/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/core-season-from-guyana.a71292da48.jpg The Milky Way core season from Guyana Where the Milky Way’s core is at 22:00 from Georgetown, Guyana, on each new-Moon night from February to October 2027, how long it is up in the dark, and what a full Moon does to it. https://astrophotosgy.com/video/core-season-from-guyana.a71292da48.mp4 42 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/dark-sky-finder-walkthrough/ 2026-10-06T17:18:27-04:00 https://astrophotosgy.com/video/dark-sky-finder-walkthrough.94474c7651.jpg How to use the Bortle Map A walkthrough of the Bortle Map from Georgetown, Guyana, recorded from the real tool: read your Bortle class on the 2024 VIIRS atlas, pick a range and find a darker place to go. https://astrophotosgy.com/video/dark-sky-finder-walkthrough.94474c7651.mp4 50 2026-10-06T16:34:00-04:00 yes https://astrophotosgy.com/learn/videos/dark-sky-window-walkthrough/ 2026-10-06T17:18:27-04:00 https://astrophotosgy.com/video/dark-sky-window-walkthrough.58b8423f54.jpg How to use Sun/Moon Times & Dark Window A walkthrough of the Dark Window tool at Georgetown, recorded from the real tool: a new-Moon night with nearly ten dark hours, against a Full Moon night with none. https://astrophotosgy.com/video/dark-sky-window-walkthrough.58b8423f54.mp4 45 2026-10-06T16:34:00-04:00 yes https://astrophotosgy.com/learn/videos/evening-moon-night-by-night/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/evening-moon-night-by-night.ed8e3a5eab.jpg The evening Moon, night by night The Moon at dusk over Georgetown, Guyana, every evening from new to full in October 2026, then at dawn from full to new: where to look, and why it moves. https://astrophotosgy.com/video/evening-moon-night-by-night.ed8e3a5eab.mp4 45 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/every-eclipse-from-guyana/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/every-eclipse-from-guyana.bbfc2e30a4.jpg Every eclipse seen from Guyana, 2026-2045 Twenty years of eclipses from Georgetown, Guyana: which eclipses of the Moon you can see and how well, the partial eclipses of the Sun, and the total solar eclipse of 12 August 2045. https://astrophotosgy.com/video/every-eclipse-from-guyana.bbfc2e30a4.mp4 53 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/finding-south-without-polaris/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/finding-south-without-polaris.3104653fb2.jpg Finding south without Polaris Why Polaris barely clears the horizon from Guyana, and how the Southern Cross finds south instead: rising, upright and setting over Georgetown on 15 April 2027. https://astrophotosgy.com/video/finding-south-without-polaris.3104653fb2.mp4 40 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/iss-passes-walkthrough/ 2026-10-06T17:18:27-04:00 https://astrophotosgy.com/video/iss-passes-walkthrough.5c83abe6c7.jpg How to use the ISS Pass Predictor A walkthrough of the ISS Pass Predictor from Georgetown, Guyana, recorded from the real tool with a dated orbit: the next pass worth going out for, the best one, and the list. https://astrophotosgy.com/video/iss-passes-walkthrough.5c83abe6c7.mp4 50 2026-10-06T16:34:00-04:00 yes https://astrophotosgy.com/learn/videos/mars-loop-2027/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/mars-loop-2027.8b407d353b.jpg Mars’s loop, 2026-2027 Mars against the stars of Leo from November 2026 to June 2027: it stops, drifts back west for weeks around its February 2027 opposition, and doubles in size, while Earth overtakes it. https://astrophotosgy.com/video/mars-loop-2027.8b407d353b.mp4 38 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/mw-field-guide-walkthrough/ 2026-10-07T09:00:59-04:00 https://astrophotosgy.com/video/mw-field-guide-walkthrough.58edfc62ec.jpg How to use the Milky Way Field Guide A walkthrough of the Milky Way Field Guide, recorded from the real tool: tonight’s Moon and dark window, the target cards, the Magellanic Clouds and the PDF shot pack. https://astrophotosgy.com/video/mw-field-guide-walkthrough.58edfc62ec.mp4 52 2026-10-06T16:47:00-04:00 yes https://astrophotosgy.com/learn/videos/mw-season-planner-walkthrough/ 2026-10-06T17:18:27-04:00 https://astrophotosgy.com/video/mw-season-planner-walkthrough.d3f9487a8c.jpg How to use the Milky Way Season Planner A walkthrough of the Milky Way Season Planner, recorded from the real tool: the light-pollution warning, the month scores for 2027, June’s best night, and framing the core. https://astrophotosgy.com/video/mw-season-planner-walkthrough.d3f9487a8c.mp4 57 2026-10-06T16:47:00-04:00 yes https://astrophotosgy.com/learn/videos/noon-sun-through-the-year/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/noon-sun-through-the-year.398622b08e.jpg The noon Sun through a year How high the noon Sun stands over Georgetown, Guyana, every day of 2027, against London: overhead twice a year near the equator, and why tilt, not distance, makes the seasons. https://astrophotosgy.com/video/noon-sun-through-the-year.398622b08e.mp4 49 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/one-night-over-georgetown/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/one-night-over-georgetown.62b7223a95.jpg One night over Georgetown The whole sky over Georgetown, Guyana, from sunset to sunrise on the new-Moon night of 10-11 October 2026: what rises, what sets, and when it gets dark. https://astrophotosgy.com/video/one-night-over-georgetown.62b7223a95.mp4 45 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/out-of-georgetowns-light/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/out-of-georgetowns-light.91285fd1b8.jpg Out of Georgetown’s light A drive out of Georgetown, Guyana, toward Bartica, read from the light-pollution atlas every 2 km: from a Bortle 8 city sky to Bortle 4 in about 22 km and Bortle 3 soon after. https://astrophotosgy.com/video/out-of-georgetowns-light.91285fd1b8.mp4 40 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/pinhole-calculator-walkthrough/ 2026-10-06T17:18:27-04:00 https://astrophotosgy.com/video/pinhole-calculator-walkthrough.695aadac54.jpg How to use the Pinhole Optics Calculator A walkthrough of the Pinhole Optics Calculator, recorded from the real tool: choose a can and paper, read the f-number and the best hole size, then try a Guyana Milo tin. https://astrophotosgy.com/video/pinhole-calculator-walkthrough.695aadac54.mp4 49 2026-10-06T15:58:00-04:00 yes https://astrophotosgy.com/learn/videos/pinhole-camera-walkthrough/ 2026-10-06T17:18:27-04:00 https://astrophotosgy.com/video/pinhole-camera-walkthrough.8c59b3be14.jpg How to use the Solar Pinhole Camera A walkthrough of the Solar Pinhole Camera from Georgetown in June, recorded from the real simulator: aim the can east, turn it north and tilt it up, and watch the Sun trails on the paper. https://astrophotosgy.com/video/pinhole-camera-walkthrough.8c59b3be14.mp4 55 2026-10-06T16:34:00-04:00 yes https://astrophotosgy.com/learn/videos/planet-visibility-walkthrough/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/planet-visibility-walkthrough.64ad4c43ff.jpg How to use Planets Visible Tonight A walkthrough of Planets Visible Tonight, recorded from the real tool for a February 2027 evening in Georgetown: the best target, the sky sim and the ranked planet cards. https://astrophotosgy.com/video/planet-visibility-walkthrough.64ad4c43ff.mp4 44 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/six-months-of-sun-on-a-can/ 2026-10-06T17:18:27-04:00 https://astrophotosgy.com/video/six-months-of-sun-on-a-can.c5f4825cfc.jpg Six months of Sun on a can A solargraph from Georgetown, Guyana, built up day by day from the December to the June solstice by the site’s Solar Pinhole Camera: one arc a day, climbing as the Sun moves north. https://astrophotosgy.com/video/six-months-of-sun-on-a-can.c5f4825cfc.mp4 40 2026-10-06T16:58:00-04:00 yes https://astrophotosgy.com/learn/videos/solar-eclipse-26-january-2028/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/solar-eclipse-26-january-2028.0aa8e84b10.jpg The 26 January 2028 eclipse from Georgetown The partial solar eclipse of Wednesday 26 January 2028 from Georgetown, Guyana: when the Moon first touches the Sun, how much it covers at the deepest moment, and how to watch it safely. https://astrophotosgy.com/video/solar-eclipse-26-january-2028.0aa8e84b10.mp4 33 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/stacking-frame-by-frame/ 2026-10-06T17:18:27-04:00 https://astrophotosgy.com/video/stacking-frame-by-frame.335e0a710e.jpg Stacking, frame by frame Watch noise melt away as 1, 4, 16 and 64 frames of the Southern Cross are stacked, and see the signal-to-noise ratio grow as the square root of the number of frames. https://astrophotosgy.com/video/stacking-frame-by-frame.335e0a710e.mp4 39 2026-10-06T16:40:00-04:00 yes https://astrophotosgy.com/learn/videos/star-trail-planner-walkthrough/ 2026-10-06T17:18:27-04:00 https://astrophotosgy.com/video/star-trail-planner-walkthrough.289ce94a96.jpg How to use the Star Trail Session Planner A walkthrough of the Star Trail Session Planner, recorded from the real tool: set a camera, a target and a session length, read the trail arc and the frames to stack. https://astrophotosgy.com/video/star-trail-planner-walkthrough.289ce94a96.mp4 54 2026-10-06T16:47:00-04:00 yes https://astrophotosgy.com/learn/videos/star-trails-from-the-equator/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/star-trails-from-the-equator.8ed8be07f7.jpg Star trails from the equator One hour of star trails from Georgetown, Guyana, facing east, south and north: near-vertical streaks as stars rise, arcs around a pole below the horizon, and circles round Polaris just above it. https://astrophotosgy.com/video/star-trails-from-the-equator.8ed8be07f7.mp4 44 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/stargazing-weather-walkthrough/ 2026-10-07T09:00:59-04:00 https://astrophotosgy.com/video/stargazing-weather-walkthrough.e0d7293ea2.jpg How to use Stargazing Weather A walkthrough of Stargazing Weather for Georgetown, recorded from the real tool with a dated forecast: the verdict, the best viewing window, the conditions now and hour by hour. https://astrophotosgy.com/video/stargazing-weather-walkthrough.e0d7293ea2.mp4 53 2026-10-06T16:34:00-04:00 yes https://astrophotosgy.com/learn/videos/sunset-to-full-dark/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/sunset-to-full-dark.bf3ea4bb38.jpg Sunset to full dark in 30 seconds The sky over Georgetown, Guyana, from sunset to full dark on 15 October 2026: civil, nautical and astronomical twilight, and why near the equator it is over in about 70 minutes all year. https://astrophotosgy.com/video/sunset-to-full-dark.bf3ea4bb38.mp4 33 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/tonight-score-walkthrough/ 2026-10-06T17:18:27-04:00 https://astrophotosgy.com/video/tonight-score-walkthrough.255b9f95db.jpg How to use Tonight Observing Score A walkthrough of Tonight Observing Score for Georgetown, recorded from the real tool with a dated forecast: the Go, Maybe or Skip dial, what goes into it, and when to go. https://astrophotosgy.com/video/tonight-score-walkthrough.255b9f95db.mp4 47 2026-10-06T16:34:00-04:00 yes https://astrophotosgy.com/learn/videos/venus-and-mercury-at-dusk/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/venus-and-mercury-at-dusk.973518cdda.jpg Venus and Mercury at dusk, 2026-2028 Why Venus and Mercury never stray far from the Sun, and how high each evening greatest elongation of 2026-2028 puts them over Georgetown, Guyana, at dusk. https://astrophotosgy.com/video/venus-and-mercury-at-dusk.973518cdda.mp4 58 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/why-stars-trail/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/why-stars-trail.220012424e.jpg Why stars trail: the 500 rule against NPF Watch a star smear across a camera’s pixels as the exposure grows, from Georgetown, Guyana, and see where the 500 rule and the stricter NPF rule stop it. https://astrophotosgy.com/video/why-stars-trail.220012424e.mp4 40 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/why-the-iss-vanishes/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/why-the-iss-vanishes.6598cbe240.jpg Why the ISS vanishes mid-pass An evening ISS pass over Georgetown, Guyana, that fades out high in the sky: the station flies into Earth’s shadow, which reaches overhead once the Sun is about 20° down. https://astrophotosgy.com/video/why-the-iss-vanishes.6598cbe240.mp4 30 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/learn/videos/why-the-radiant-matters/ 2026-10-06T18:34:02-04:00 https://astrophotosgy.com/video/why-the-radiant-matters.58fadb1261.jpg Why the radiant matters: the Geminids from Guyana The Geminids’ 2026 peak night over Georgetown, Guyana, from dusk to dawn: how the meteors an hour climb with the radiant, from a handful at 20:00 to the best hour around 02:00. https://astrophotosgy.com/video/why-the-radiant-matters.58fadb1261.mp4 45 2026-10-06T18:32:00-04:00 yes https://astrophotosgy.com/locations/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/georgetown/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/bartica/ 2026-10-06T13:20:29-04:00 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https://astrophotosgy.com/tonight/auckland/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/caracas/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/havana/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/santo-domingo/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/bridgetown/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/dar-es-salaam/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/kampala/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/johannesburg/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/marrakesh/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/rio-de-janeiro/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/cusco/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/vancouver/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/chicago/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/miami/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/amsterdam/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/athens/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/dubai/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/hong-kong/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/denpasar/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/perth/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/tonight/christchurch/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/georgetown/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/bartica/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/lethem/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/mahdia/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/mabaruma/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/paramaribo/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/port-of-spain/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/kingston/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/nairobi/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/lagos/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/accra/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/addis-ababa/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/windhoek/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/bogota/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/quito/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/lima/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/mexico-city/ 2026-10-06T13:20:29-04:00 https://astrophotosgy.com/zero-shadow-day/hilo/ 2026-10-06T13:20:29-04:00 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