The scale of todays picture is large, it is a wide field image. It spans from RA 4h till 8h30m and form δ 45 till 15° i.e. from right top to left bottom.
- The bright star in the top of the image is Capella, α Aurigae. The bright star near the rightmost part of the retrogade loop is Elnath, β Aurigae.
- The bright star in the left bottom corner is Procyon, α Canis minoris.
- The red star bottom, middle of the image is Betelgeuse, α Orionis, the blue star slightly to the right of Beteulgeuse is Bellatrix, γ Orionis.
- The red star, utmost right, center height of the image, under the start of Mars' trail is Aldebaran, α Tauri.
- Left side of the image, 2/3 of the height of the image are of course Castor (top) and Pollux (lower), α and β Geminorum, as described in yesterdays APOD.
- Between in the start of Mars' path and under center part of the retrogade loop the Crab nebula must be hidden somewhere. Also known as Messiers M1, it must have been the brightest nebulae in the sky, but i have never seen it with my own eyes, with binoculars or a small telescope.