Messier 100 with Ceres path

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The minor planet Ceres crossed, on 2023-03-27, in front of the galaxy Messier 100 (M100), when following its orbit. This image adds up 42 images of Ceres taken every five minutes from Chile by Christian Sasse. The images were registered with a previous image of M100 taken from the Northern Hemisphere and stacked against the image of M100. The basic M100 image was composed with the Luminance obtained from Chile, the color from New Mexico and Ceres from Chile. The information below refers to the Chilean images. The NM information can be found in the previous link.


Additional Information


Name(s): Messier 100 + Ceres

Type: Spiral Galaxy and Minor Planet

RA:  12h 22m 55s

Dec: +15º 49’ 21”

Constellation: Coma Berenices

Size (arcmin): 7.35×6.5 arcmin

Magnitude: +10.1

Distance: 55 Mly and 2.8 AU


Date: 2023-03-27

Location: Obstech, Río Hurtado, Chile

Size (arcmin): 24×18 arcmin

Telescope: 24” f/6.5 Reflector

Camera: QHY 461 (11760x8896pix)

Guiding: off-axis guider

Total exposure: 16 hours (L: 6h 30m; RGB: 6h; Ceres: 3h 30m)

Processing: CCDStack, PixInsight (one process) and Photoshop CC 2023



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