Goodbye Winter Sky!

The full array of northern winter stars and constellations, including Orion, setting in the evening twilight at Dinosaur Provincial Park, Alberta, on April 20, 2021, so about the last opportunity to shoot the scene for the season. Light from the waxing quarter Moon just off frame at top illuminates the scene, plus the sky is still bright with twilight colours in the west. Orion is just all visible but with Rigel about to set. The Hyades and Pleiades in Taurus are just over the formation at right. Sirius in Canis Major is over the formation at left. Procyon in Canis Minor is at left of centre. Castor and Pollux in Gemini are the two stars at top. Capella in Auriga is at upper right. Perseus is at far right. Mars is dim at centre frame as an "extra star" between Gemini and Auriga. This is a stack of 4 x 30-second tracked exposures for the sky at ISO 800 and 4 x 1-minute untracked exposures for the ground at ISO 200, at f/4 with the 14mm Samyang SP lens on the Canon EOS Ra camera. The tracker was the Star Adventurer 2i. This is not a multi-segment panorama but is a multi-exposure stack. Stacked, masked and blended in Photoshop.

Auroral Arc Panorama (March 13, 2021)

An arc of aurora across the north, taken from home in southern Alberta March 13, 2021 on a night when the STEVE auroral arc appeared about 45 minutes after this was taken whren the main arc shown here had faded. This is a cropped stitch of 9 segments, each 30 seconds at f/2.8 with the Venus Optics 15mm lens and Sony a7III at ISO 1600. Stitched with Adobe Camera Raw.

Late Winter/Early Spring Sky Panorama with Aurora

A 360° panorama of the late winter and early spring sky with an arc of aurora, from a latitude of 51° N. This was March 13, 2021, from home in southern Alberta. This night there was a bright aurora across the northern sky, so I have oriented the view to place due north just right of centre. The Big Dipper is at right; Leo is rising at far right. The bright winter stars around Orion are at far left to the south. High clouds and haze, partly lit by light pollution here, add the natural glows to the stars, emphasizing the bright stars and constellation patterns. No filter was used here. The yellow arch at left is a band of cloud illuminated by light pollution. This was a test of new panorama gear, using an Acratech Pan Head on top of a Alyn Wallace/MSM Z-Plate mounted to a Sky-Watcher Star Adventurer 2i tracker, to allow taking tracked segments for the panorama, to prevent star trailing. The Z-Plate allowed the Pan Head to mount and move horizontally and vertically in azimuth and altitude despite being on a polar aligned tracker. It worked! The ground is a stitch of 8 segments shot with the tracker motor off, then blended with a stitch of 20 segments for the sky, in 3 tiers of 8 + 6 + 6 segments, all with the Sigma 24mm lens at f/2.8 and for 1-minute with the Nikon D750 at ISO 1600 for all shots. Stitched with PTGui v12 which at last saves camera metadata when exporting PSD files. The original is 25,600 pixels wide.

Winter Sky Panorama — 360° Rectangular

A 360° panorama of the entire late winter/early spring sky from northern latitudes, with the winter Milky Way stretching across the sky, from south (at left) to north (at right). West is at centre. Orion and the northern winters stars are left of centre to the southwest. Just below the prominent Pleiades cluster at centre is Mars, then near the Pleiades in early March 2021. To the far left in the eastern sky the spring stars are rising. The Beehive star cluster stands out to the left of the Milky Way,. The Big Dipper is at upper right. Arcturus is rising at far right just above the horizon. Sirius is above the southern horizon left of centre. The faint glow of Gegenschein is at far left below Leo, opposite the Sun. I shot this from home on March 7, 2021 on a very clear night with no aurora to the north. This is from a latitude of 51° N. This is a stitch of 21 segments, in 3 tiers or rows of 7 segments each, with the Sigma 24mm Art lens at f/2 and Canon EOS Ra camera at ISO 1600. Exposures were 30 seconds each, all untracked. The camera was moved automatically from frame to frame by placing it on the Sky-Watcher AZ-GTi motorized alt-azimuth mount, programmed with the hand controller from the old Sky-Watcher All-View mount. Stitching was with PTGui using equirectangular projection. The original is 28,000 by 8,000 pixels.

Winter Sky Panorama — 360° Spherical

A 360° panorama of the entire later winter/early spring sky from northern latitudes, with the winter Milky Way stretching across the sky, from south (at bottom) to north (at top). Orion and the northern winters stars are at bottom to the southwest. Just below the prominent Pleiades cluster at right is Mars. To the left in the eastern sky the spring stars are rising. I shot this from home on March 7, 2021 on a very clear night with no aurora to the north. South is at bottom; north is at top. East is to the left; west is to the right, toward the major source of light pollution. Polaris is at top centre; the Big Dipper is at upper left. Arcturus is rising at left. Sirius is at bottom, above the southern horizon. This is from a latitude of 51° N. This is a stitch of 21 segments, in 3 tiers or rows of 7 segments each, with the Sigma 24mm Art lens at f/2 and Canon EOS Ra camera at ISO 1600. Exposures were 30 seconds each, all untracked. The camera was moved automatically from frame to frame by placing it on the Sky-Watcher AZ-GTi motorized alt-azimuth mount, programmed with the hand controller from the old Sky-Watcher All-View mount. Stitching was with PTGui. The original is 17,000 by 17,000 pixels.

The Rising of the Cold Winter Moon

A composite image of the rising of the December 29, 2020 "Cold" Full Moon into a very clear evening twilight sky, here over the Badlands of Dinosaur Provincial Park, Alberta. The Moon rose with the Sun still up and lighting the landscape in warm tones, contrasting with the cool blues of the snowy landscape and sky. The pink Belt of Venus glow lights the lower sky near the horizon. It is not often we get a Full Moon (it was only 4 hours before being officially Full this night) rising with the Sun still up and illuminating the landscape. This is a layered blend of 13 exposures taken at 5-minute intervals, from moonrise just before sunset, to the Moon high in a dark sky more than an hour later. The ground and sky near the horizon is a blend of the first four exposures while the upper sky is from the last two exposures to place the now bright Moon into a darker sky as it actually appeared. The Moon moves its own diameter in about 2 minutes, so picking shots taken 5 minutes apart provides a good spacing for a shot with this field of view. Shots with longer telephoto lenses would be better with Moons taken every 3 to 4 minutes. These frames were taken as past of an 800-frame time lapse with the camera on auto exposure to ensure each frame was well exposed for the ground and sky. But as the Moon brightens as it rises that inevitably overexposes the Moon's disk — the exposure sequence I used here works for the time-lapse but is not so ideal for a composite still image like this. Had I wanted this to be shot taken just for a still image composite I would have had to fix the exposure at more or less what it was at mid-sequence here, to keep the lunar disk at that brightness and detail. So be it! All were with the Rokinon 85mm lens and Canon 6D MkII at ISO 100. It was about -10° C this evening.

Moonrise at Dinosaur Park Panorama

A 180° panorama of the rising Full Moon and twilight colours over the badlands of Dinosaur Provincial Park, Alberta on December 29, 2020. This was the "Cold Winter" Moon of 2020. The view is overlooking the Red Deer River valley. I shot this panorama from the Park's entrance gate viewpoint. The image is a 14-segment panorama with the 50mm Sigma lens at f/4.5 and Canon EOS Ra at ISO 100, stitched with Adobe Camera Raw. The original is 34,000 pixels wide.

Cold Moonrise over Snowy Dinosaur Park

The Full "Cold" Moon of December 29, 2020 rising over the Badlands of Dinosaur Provincial Park, Alberta, on the Red Deer River. The last light of the setting Sun was breaking through briefly, illuminating the far river bank, as the Moon rose into the dark shadow of the Earth and pink "Belt of Venus" glow in the upper atmosphere. Despite being full, the Moon rose this night about 30 minutes before sunset, allowing this lighting. The Moon was about 4 hours before being officially Full at this time. This is a single image with the Rokinon 85mm lens on the Canon 6D MkII taken as part of an 800-frame time-lapse.

Cold Moon Rising over Dinosaur Park

The Full "Cold" Moon of December 29, 2020 rising over the Badlands of Dinosaur Provincial Park, Alberta, on the Red Deer River, here at left. The last light of the setting Sun was breaking through briefly, illuminating the far river bank, as the Moon rose into the dark shadow of the Earth and pink "Belt of Venus" glow in the upper atmosphere. Despite being full, the Moon rose this night about 30 minutes before sunset, allowing this lighting. The Moon was about 4 hours before being officially Full at this time. This is a single image with the Sigma 50mm lens on the Canon EOS Ra taken as part of a 500-frame time-lapse.

Jupiter & Saturn over Bow River Valley

The still close pairing of Jupiter and Saturn in the evening twilight over the Bow River Valley, in southern Alberta, taken from the Siksika First Nations land near Blackfoot Crossing on December 28, 2020. The night was very clear with brilliant twilight colours. The waxing Moon was providing some of the foreground illumination. This is an HDR panorama of 3 x 3 panels: 3 segments, each with 3 exposures of 2, 4, and 8 seconds, to retain the sky colours but bring out the landscape details. Merged with Adobe Camera Raw. Shot with the Sigma 50mm lens on the red-sensitive Canon EOS Ra camera at ISO 100.

Jupiter & Saturn in the Twilight with Closeup Inset (December 22, 2020)

The pairing of Jupiter and Saturn in the evening twilight, the day after their closest conjunction, taken here on December 22, 2020. This was from home, as a snowstorm in the previous 24 hours had made the roads too poor to travel. Brighter Jupiter is to the left of Saturn and is pulling away from Saturn here, but they were still separated by only 10 arc minutes this evening. The inset shows the view through a telescope with the Galilean moons of Jupiter visible and three of the moons of Saturn. Other points are field stars. The background image is a stack of 6 untracked exposures to smooth the motion of the clouds, but the planets come from just one of the exposures, all being 0.8-second shots with the 85mm Rokinon lens at f/4 and with the Canon 6D MkII at ISO 200. The closeup image is a stack of six 4-second exposures (to bring out the moons) taken about 5:45 pm local MST. All were through the Celestron SE6 Schmidt-Cassegrain at f/10 (so 1500mm focal length) on the Sky-Watcher EQM-35 mount tracking the sky but only roughly polar aligned, and through the Canon EOS Ra camera at ISO 800, and cropped in. The planets' low altitude blurred their images from poor seeing. Atmospheric dispersion adds to colour fringing.

Jupiter & Saturn in the Twilight (December 22, 2020)

The pairing of Jupiter and Saturn in the evening twilight, the day after their closest conjunction, taken here on December 22, 2020. This was from home, as a snowstorm in the previous 24 hours had made the roads too poor to travel. Brighter Jupiter is to the left of Saturn and is pulling away from Saturn here, but they were still separated by only 10 arc minutes this evening. This is a stack of 6 untracked exposures to smooth the motion of the clouds, but the planets come from just one of the exposures, all being 0.8-second shots with the 85mm Rokinon lens at f/4 and with the Canon 6D MkII at ISO 200.

Jupiter and Saturn in Conjunction at Dinosaur Park (Dec 20, 2020)

Jupiter and Saturn, on the eve of their rare "Great Conjunction," shot here on December 20, 2020 from Dinosaur Provincial Park, Alberta. The two planets are very close here, only 8 arc minutes apart, just 2 arc minutes more than at closest approach the next night (which was cloudy!). Even so, they are resolved in this image with an 85mm lens, and were easily resolvable to the naked eye. Some of the moons of Jupiter are visible, particularly Callisto and Ganymede to the left of Jupiter. This was a superb night at the Park, with perfect skies and a mild temperature of only 0° C and no wind or frost. Illumination is from the twilight but also moonlight from the waxing quarter Moon off frame to the upper left. This is a blend of tracked (for the sky, to prevent star trailing) and untracked (for the ground) exposures: 7 x 30 second exposures for the ground (to bring out foreground detail) at f/2.8 and 5 x 8-second exposures for the sky at f/4, all at ISO 400 and with the Rokinon 85mm lens and Canon EOS Ra camera. The camera was on the Sky-Watcher Star Adventurer 2i tracker. Stacking the tracked shots blurred the moving clouds and smoothed noise. Stacking the ground reduced noise. I shot this well past traditional "blue hour" when there was still colour in the sky to the camera, but the sky was dark enough to show stars, and the ground was beginning to light up with moonlight, highlighting the snow and ice patches.

Jupiter, Saturn and the Waxing Moon at Dinosaur Park

This is the grouping of the 3-day-old waxing crescent Moon with the close pairing of Jupiter and Saturn on December 16, 2020, as seen from Dinosaur Provincial Park, Alberta on a mild winter evening with clouds parting just enough for the view. It waas nip and tuck getting any shots this night and getting a clear shot of both the Moon and the planets was tough! This is a stack of 7 tracked exposures for the sky, all 6 seconds at f/2.8 and ISO 200 blended with a stack of 4 untracked exposures for the ground, all 30 seconds at f/4.5 and ISO 400, with each set stacked with Mean stack mode to reduce noise. But stacking the sky blurred the cloud motions for a nice soft effect, while leaving the Moon and planets sharp as the camera was tracking the sky for those images. The longer static exposures for the ground brought out the foreground details and colours. A dodge and burn layer helped touch up the relative brightnesses of the ground elements. The camera was the Canon EOS Ra and lens the 35mm Canon L-series, on the Sky-Watcher Star Adventurer 2i tracker.

Jupiter and Saturn in Twilight Panorama

Jupiter and Saturn nearing their December 21, 2020 Great Conjunction, with this image taken December 14, 2020 from home in southern Alberta. This is a panorama stitch of two images, each a blend of 4 untracked images for the dark ground and stacked to smooth noise, plus a stack of 4 tracked images for the sky, all with the 85mm Rokinon lens at f/3.5 and Canon EOS Ra at ISO 400. The camera was on the Star Adventurer 2i tracker, only roughly polar aligned as Polaris was not readily visible amid clouds to the north and in the bright sky. Diffraction spikes added in Astronomy Tools actions. Stitched in Photoshop with Photomerge. Taken well past traditional "blue hour" but when there was still a lot of colour in the sky to the camera, yet the sky was dark enough to show other stars.

Jupiter and Saturn in Twilight #2

Jupiter and Saturn nearing their December 21, 2020 Great Conjunction, with this image taken December 14, 2020 from home in southern Alberta. This is a blend of 5 untracked images for the dark ground and stacked to smooth noise, for 10 seconds each, plus a stack of 4 tracked images for the sky for 6 seconds each, all with the 85mm Rokinon lens at f/3.5 and Canon EOS Ra at ISO 400. The camera was on the Star Adventurer 2i tracker, only roughly polar aligned as Polaris was not readily visible amid clouds to the north and in the bright sky. Diffraction spikes added in Astronomy Tools actions. Taken well past traditional "blue hour" but when there was still a lot of colour in the sky to the camera, yet the sky was dark enough to show other stars.

Jupiter and Saturn in Twilight #1

Jupiter and Saturn nearing their December 21, 2020 Great Conjunction, with this image taken December 14, 2020 from home in southern Alberta. This is a blend of 4 untracked images for the dark ground and stacked to smooth noise, for 4 seconds each, plus a stack of 4 tracked images for the sky for 2.5 seconds each, all with the 85mm Rokinon lens at f/3.5 and Canon EOS Ra at ISO 400. The camera was on the Star Adventurer 2i tracker, only roughly polar aligned as Polaris was not readily visible amid clouds to the north and in the bright sky. Diffraction spikes added in Astronomy Tools actions. Taken well past traditional "blue hour" but when there was still a lot of colour in the sky to the camera, yet the sky was dark enough to show other stars.

Jupiter and Saturn Over the Red Deer River Valley

Jupiter and Saturn nearing their December 21, 2020 Great Conjunction, with this image taken December 10, 2020 from Red Deer River valley, north of Drumheller, Alberta. This is a blend of 4 images for the dark ground, stacked to smooth noise, for 20 seconds each at f/5.6, and a single image for the sky for 5 seconds at f/2.8, all with the 35mm Canon lens and Canon EOS Ra at ISO 400. All untracked. A dodge and burn layer created by Lumenzia applied.

Jupiter, Saturn and the Milky Way

Jupiter and Saturn nearing their December 21, 2020 Great Conjunction, with this image taken December 3, 2020 from the Allen Bill flats area on the Elbow River in the Kananaskis Country southwest of Calgary, Alberta. This is a blend of 4 untracked images for the dark ground, stacked to smooth noise, for 2 minutes each at ISO 400, and two tracked images for the sky for 30 seconds at ISO 1600, all with the 35mm Canon lens at f/2.8 and Canon EOS Ra. A dodge and burn layer created by Lumenzia applied. The tracker was the Sky-Watcher Star Adventurer 2i. Taken before moonrise.

Jupiter and Saturn in Twilight at Allen Bill Flats

Jupiter and Saturn nearing their December 21, 2020 Great Conjunction, with this image taken in the deep twilight on December 3, 2020 from the Allen Bill flats area on the Elbow River in the Kananaskis Country southwest of Calgary, Alberta. This is a blend of 4 untracked images for the dark ground, stacked to smooth noise, for 2 minutes each at ISO 400, and two tracked images for the sky (and untrailed stars) for 30 seconds each at ISO 400, all with the 35mm Canon lens at f/2.8 and Canon EOS Ra. A dodge and burn layer created by Lumenzia applied. The tracker was the Sky-Watcher Star Adventurer 2i.

Jupiter and Saturn over Elbow River

Jupiter and Saturn nearing their Dec 21, 2020 Great Conjunction, with this image taken December 3, 2020 from the Elbow Falls area on the Elbow River in the Kananaskis Country southwest of Calgary. This is a blend of 4 untracked images for the dark ground, stacked to smooth noise, for 30 seconds each, and one untracked image for the bright sky for 15 seconds to preserve colours and highlights, all with the 24mm Sigma lens and Canon EOS Ra at ISO 200. A dodge and burn layer created by Lumenzia applied. The location was planned with The Photographer’s Ephemeris and TPE 3D apps, to ensure the planets would be visible between the mountain peaks from this site.

Mars Approach in Autumn 2020

Mars at its closest approach to Earth for another 15 years, on October 5, 2020, with autumn aspens. Taken from home with the waning Moon off camera providing the illumination. This is a stack of 8 median-combined images for the ground to smooth noise and one exposure for the sky. All 15 seconds at ISO 2500 and f/4 with the Sigma 24mm Art lens and Nikon D750. SharpenAI applied to the ground; DeNoiseAI applied to the sky. Diffraction spikes on Mars added with Astronomy Tools Actions. A mild Orton Glow effect added with Luminar 4.

Harvest Moonrise over Country Road

The Harvest Moon (the Full Moon of October 1, 2020) rising almost due east at the end of a country road in southern Alberta, near home. The horizon was smoky or dusty, so the Moon was very red as it rose, and looking almost like a totally eclipsed Moon. This is a blend of 6 exposures, all 1/2-second with the A&M 80mm f/6 apo refractor (for 480mm focal length) and Canon 6D MkII at ISO 400, taken as part of a 460-frame time-lapse sequence, with shots every 2 seconds. For this composite I choose 6 images at 2-minute intervals, so the Moon rose its own diameter between frames. The ground comes from the first image in the sequence when the lighting was brightest. The Moon rose at 7:35 pm this night, about 30 minutes after sunset. A mild Orton glow effect added to the ground with Luminar 4.

Winter Stars Rising at Dawn in August

The stars of the northern winter sky rising at dawn on the morning of August 14, 2020, from home in southern Alberta. The waning crescent Moon is overexposed here, shining above bright Venus , then in southern Gemini as a bright “morning star” in the east. Mars is also bright and reddish, to the south at upper right. Orion is rising over the ripening wheatfield at centre. Above Orion is Taurus with the Hyades and Pleiades star clusters. The bright star to the left and above the Moon is Capella in Auriga. Castor and Pollux are rising at far left. This is a stack of 4 images for the ground to smooth noise and 1 image for the sky, all with the 14mm Sigma Art lens at f/2.5 and Nikon D750 at ISO 800 for 25 seconds each. I added a mild Orton Glow effect with Luminar Flex.