Messier 73 is an asterism of four stars in the constellation Aquarius. It lies several arcminutes east of globular cluster M72. According to Gaia EDR3, the stars are 1030±9, 1249±10, 2170±22, and 2290±24 light-years from the Sun, with the second being a binary star.
Distance to Earth: 2,511 light years
Apparent magnitude (V): 9
Constellation: Aquarius
Radius: ly
Distance: Mean distance star approx. 2,500 ly (approx. 770 pc)
1 hrs data in 3min subs captured 10/9/2023 before the clouds rolled in. QHY268c F/8 10" GSO RC No filter as have been having an issue with gradients and wanted to see if it made a difference it didn't
Trevor,
Nice to see some alternatives to nebulas , galaxies and globs
Well done !!
I’ve observed a problem with your star shape from left to right
Could be collimation , tilt or some tracking / guiding issue ( maybe in Dec )
Correct Martin re star shape, I think it was a guide issue, imbalance between Dec/RA due to a bad calibration in PHD2, which I think I've now corrected, fingers crossed
