Hemisphere:  Northern  ·  Constellation: Leo (Leo)  ·  Contains:  NGC 3153  ·  The star Regulus (αLeo)
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Leo I - dwarf spheroidal galaxy - Type E;dSph, 



    
        

            gigiastro
Leo I - dwarf spheroidal galaxy - Type E;dSph
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Leo I - dwarf spheroidal galaxy - Type E;dSph

Getting plate-solving status, please wait...
Leo I - dwarf spheroidal galaxy - Type E;dSph, 



    
        

            gigiastro
Leo I - dwarf spheroidal galaxy - Type E;dSph
Powered byPixInsight

Leo I - dwarf spheroidal galaxy - Type E;dSph

Technical card

Imaging telescopes or lenses: Jupiter 250mm f/3,5 lens

Imaging cameras: Canon EOS 60Da

Mounts: iOptron ZEQ25GT

Software: PixInsight  ·  Noel Carboni's AstroFlat Pro  ·  DeepSkyStacker 3.3.4  ·  Elements Photoshop

Filters: Astronomik EOS Clip CLS


Dates:Feb. 20, 2020

Frames:Astronomik EOS Clip CLS: 360x30" (3h) ISO1600

Integration: 3h

Darks: 10

Flats: 30

Flat darks: 10

Bias: 80

Avg. Moon age: 26.63 days

Avg. Moon phase: 9.19%

Bortle Dark-Sky Scale: 7.00

Mean SQM: 18.63

Temperature: 5.00


Basic astrometry details

Astrometry.net job: 3284711

RA center: 10h 8' 26"

DEC center: +12° 5' 13"

Pixel scale: 3.592 arcsec/pixel

Orientation: 0.872 degrees

Field radius: 1.826 degrees


Resolution: 3190x1794

Locations: Home, Mestre, Venezia, Italy

Data source: Backyard

Description

A vague wad north of Regulus.

«(...)Just 20' from Regulus, almost due north, is the position of the dwarf elliptical galaxy

called "Leo I", one of the members of the Local Group of Galaxies, and among the smallest

and faintest galaxies known. Discovered by A.G.Wilson on Palomar 48-inch Schmidt plates

in 1950, the Leo I System lies some 750,000 light years distant(...).»

(Burnham's Celestial Handbook)

cropping (3190x1794) from original picture of 5202x3465 resolution

lens aperture set to f/3.5

Comments

Sky plot

Sky plot

Histogram

Leo I - dwarf spheroidal galaxy - Type E;dSph, 



    
        

            gigiastro