Hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  IC 3061  ·  M 98  ·  NGC 4192  ·  NGC 4208  ·  The star 6Com
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Galaxy M 98 and two asteroids, 



    
        

            gigiastro
Galaxy M 98 and two asteroids, 



    
        

            gigiastro

Galaxy M 98 and two asteroids

Getting plate-solving status, please wait...
Galaxy M 98 and two asteroids, 



    
        

            gigiastro
Galaxy M 98 and two asteroids, 



    
        

            gigiastro

Galaxy M 98 and two asteroids

Technical card

Imaging telescopes or lenses: Samyang 135mm f/2

Imaging cameras: Canon EOS 60Da

Mounts: AstroTrac TT 320

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


Dates:March 7, 2021

Frames: 430x30" (3h 35') ISO800

Integration: 3h 35'

Darks: 10

Flats: 30

Flat darks: 10

Bias: 80

Avg. Moon age: 23.65 days

Avg. Moon phase: 34.29%

Bortle Dark-Sky Scale: 8.00

Mean SQM: 18.38

Temperature: 1.50


Basic astrometry details

Astrometry.net job: 4331948

RA center: 12h 11' 16"

DEC center: +14° 19' 51"

Pixel scale: 3.413 arcsec/pixel

Orientation: 359.534 degrees

Field radius: 1.696 degrees


Resolution: 3118x1754

Locations: Home, Mestre, Venezia, Italy

Data source: Backyard

Description

Asteroids:

381 Myrrha: mag 13.17 dist. 336.8 million Km (18.73 light min) Diam. 121 Km

498 Tokio: mag 13.61 dist. 336.9 million Km (18.73 light min) Diam. 83 Km

The gap in the center of the streaks is due to both the rewind of AstroTrac and

to the acquisition of dark frames.

Samyang 135mm f/2 set to f/2

Drizzle x2 integration-->cropping

Comments

Revisions

  • Final
    Galaxy M 98 and two asteroids, 



    
        

            gigiastro
    Original
  • Galaxy M 98 and two asteroids, 



    
        

            gigiastro
    B

B

Description: Annotated

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Galaxy M 98 and two asteroids, 



    
        

            gigiastro