M38 in Auriga 23rd March 2020 @ 21:48 UT
M38 (Starfish Cluster) long lines of stars meander through the cluster. One of the big three clusters in Auriga (M37 & M39).
Image: 15 seconds x 20 frames (300 seconds total), gain 6584, bin 2x2, Raw 14, black level 99, camera temperature 10 deg C, 1 dark. Stacked in SharpCap Pro 3.2.6248.0. The image was stacked and adjusted in SharpCap. The image was scaled down and cropped in GIMP.
Equipment: Celestron CPC-800 at F5.9, Alt-Az mount, Altair Astro Hypercam 294C Pro Cooled (fan), Celestron Focuser, CPWI controlled remotely via Microsoft RDP and ASCOM.
Astrometry: M38 4,600 light years distance, magnitude 6.4
Center (RA, Dec):(82.228, 35.859) Center (RA, hms):05h 28m 54.734s
Center (Dec, dms):+35° 51' 31.200"
Size: 54.9 x 37.3 arcmin Radius:0.553 deg Pixel scale:1.6 arcsec/pixel
Charles Messier added it to his catalogue in 1764.