Hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Andromeda Galaxy  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224
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M31- into the heart of Andromeda, 


            Lorenzo Palloni
M31- into the heart of Andromeda
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M31- into the heart of Andromeda

Technical card

Imaging telescopes or lenses: GSO 10" f/4 Imaging Newtonian

Imaging cameras: Canon 1200D full spectrum

Mounts: SkyWatcher NEQ6 PRO

Guiding telescopes or lenses: SVBONY 60mm Guidescope 240mm f/4

Guiding cameras: ZWO 224MC

Focal reducers: Tecnosky Coma Corrector 0,95x

Filters: IDAS LPS D2 2"  ·  SVBONY UV IR CUT

Dates:Oct. 2, 2019Oct. 3, 2019Oct. 5, 2019Oct. 7, 2019Oct. 8, 2019Oct. 11, 2019Oct. 21, 2019Oct. 22, 2019Oct. 23, 2019Oct. 25, 2019Oct. 26, 2019Oct. 27, 2019

IDAS LPS D2 2": 397x20" ISO400 26C
SVBONY UV IR CUT: 57x15" ISO400 24C
SVBONY UV IR CUT: 202x15" ISO400 25C
SVBONY UV IR CUT: 608x15" ISO400 26C
SVBONY UV IR CUT: 1221x15" ISO400 27C
SVBONY UV IR CUT: 644x15" ISO400 28C
SVBONY UV IR CUT: 390x15" ISO400 29C
SVBONY UV IR CUT: 386x15" ISO400 30C

Integration: 16.8 hours

Darks: ~51

Flats: ~20

Avg. Moon age: 16.72 days

Avg. Moon phase: 38.71%

Bortle Dark-Sky Scale: 9.00

Basic astrometry details

Astrometry.net job: 3840037

RA center: 0h 42' 46"

DEC center: +41° 13' 37"

Pixel scale: 1.292 arcsec/pixel

Orientation: 253.080 degrees

Field radius: 0.734 degrees

Resolution: 2125x3499

Locations: Casa, centro città, Prato, Po, Italy

Data source: Backyard


This is the first time i pushed my new telescope, newton Gso 10" (f/3.8 with the flattener), into a multi sessions project.
From my Bortle 9 city backyard (only the South is visible because of buildings), i can't shoot for more than 3 hours per night, so these almost 17 hours over 1 month it's a good result for my standard (considering the usable nights because of the Moon, bad weather and so on).

It's not wrong to say that one of the reasons that pushed me to buy this new 10" telescope f/3.8, was to try the new technique of many short frames. I choosed 15 seconds for this new project, thinking that it was a good balance between the light pollution and trying to go as deep as it was possible with this very low 400 Iso of my 1200D full spectrum (usually i choose 1600 Iso but it's really noisy at that).

Why did i frame M31 like this? Because in the past i already took pictures of Andromeda with different setup (80/480 - 65/420 and so on), but this time i wanted so badly to have a lots of subs of the central zone!
I didn't want to "waste" nights for a mosaic - as said, i already shot the whole subject with different focal lenghts.

I wished so much the heart of Andromeda... so i went for it!

This is the story behind this project, hope you like the image.


Sky plot

Sky plot


M31- into the heart of Andromeda, 


            Lorenzo Palloni