|Object name:||Constellation:||Coordinates:||Apparent size:||Visual brightness:|
(= NGC 6853)
|Vulpecula||20h00m / +22°43'||8.0' x 5.7'||7.5 mag|
The planetary nebula Messier 27 (NGC 6853, "Dumbbell nebula") in the constellation of Vulpecula. The gaseous remains of a red giant star are 1,360 light years from Earth and were discovered by Charles Messier in 1764 (source: Wikipedia).
Thirty-six 3-minute exposures (108 minutes total exposure) at gain 100, taken on July 1 / 2, 2022 and on July 2 / 3, 2022, were added for this shot with Astro Pixel Processor (APP) software and the final image processing was done in Photoshop. Darks, flats, and darkflats were used.
Equipment: Cooled ASI 2600MC Pro camera, TeleVue Paracorr Type II coma corrector, 16" f/4.5 "Ninja" dobsonian telescope riding on a dual-axis Tom Osypowski equatorial platform, Lacerta MGEN autoguider, Lacerta off axis system.