Imaging and Interpretation of Astro-Photographs
The unique question mark appearance of M51, its size (77 thousand light years, 90% of Milky Way) proximity to us (only 31 million light years) made it a galaxy of interest for me, so I brought it in for some
Stars in the Andromeda GalaxyAug/Sep 2021M31 – Andromeda Galaxy, focussed on NGC206CDK12.5 / A-P1100GTO AE / ASI6200MM / Optolong LRGB (full res RASC Zenfolio or Astrobin) I was asked at a RASC meeting if we could see stars in a
Caldwell 7 Galaxy (NGC2403) Planewave CDK12.5; AP 1100GTO AE; ASI6200MM, – Antlia Pro Broadband and 3.5nm Ha filtersR,G,B: (52,57,54 x 180s, Bin 1, Gain 100); Ha: (62 x 450s, Bin 1, Gain 200); L: (76x150s, Bin 1, Gain 100)Total integration
M74 Galaxy in Pisces Askar 151phq; AP Mach2 GTO; ASI6200MM, – Chroma Broadband and 5nm Ha FiltersL: (111 x 120s, Bin 1, Gain 100); H: (51 x 720s Bin 1, Gain 100); R,G,B: (48,59,61 x 180s, Bin 1, Gain 100)Total
In Part 1 of our Galactic Spiral Structure story, we discussed two necessary ingredients that we need to bring together to create our galaxy – a relatively small, but substantial piece of condensed matter (a neutron star or black hole