Questo è un composito che registra la sequenza intorno alla metà dell'eclissi dell'eclissi anulare del Sole del 14 ottobre 2023. In questa eclissi la Luna era vicina
6161 x 4480 px | 52,2 x 37,9 cm | 20,5 x 14,9 inches | 300dpi
Data acquisizione:
14 ottobre 2023
Altre informazioni:
This is a composite that records the sequence around mid-eclipse of the October 14, 2023 annular eclipse of the Sun. At this eclipse the Moon was near apogee so its disk was not large enough to completely cover the Sun's photosphere and create a total eclipse. This is a blend of 8 exposures each taken 2.25 minutes apart, about the minimum time to keep the disks separate and avoid them overlapping. The set flanks mid-eclipse, but an image taken at mid-eclipse is not included as annularity at this site lasted 3m03s, so I chose to include frames taken near the start and end of annularity showing the Moon almost tangent to the Sun. The sequence starts about 6 minutes before the start of annularity and ends about 6 minutes after annularity concluded. The centre two frames show annularity (the Moon's disk framed completely within the Sun), while the frames on either side show the partial phases before and after. The time sequence runs from left to right, with the Sun in the morning sky rising up and moving across the frame to the upper right. However, the Moon itself was moving slowly down across the disk of the Sun, a motion due to its orbit around the Earth, which carried it across the Sun moving down from frame to frame. The camera did not move or track the Sun. I started the sequence with the Sun at lower left and let it move across the frame. As such, the composite is a natural blend of frames positioned by the motion of the sky, not by an arbitrary placement in Photoshop. This is how the Sun and Moon moved during the time around mid-eclipse, as seen from my site near Bryce Canyon National Park at the Ruby's Inn Rim Overlook. This site was well south of the centreline, so the Moon moved across the top of the Sun and was not centred on the Sun at mid-eclipse. The frame is aimed to put the zenith up. This is a subset of frames selected from 300+ taken every 4 seconds, using a Canon RF100-400mm lens at 400mm and at f/8 for 1/60-second exposures at ISO 100 wit
