Celestial hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  NGC 2355  ·  The star 1CMi  ·  The star 6CMi
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Sh2-274 - Medusa Nebula (Ha), 



    
        

            gigiastro
Sh2-274 - Medusa Nebula (Ha), 



    
        

            gigiastro

Sh2-274 - Medusa Nebula (Ha)

Getting plate-solving status, please wait...
Sh2-274 - Medusa Nebula (Ha), 



    
        

            gigiastro
Sh2-274 - Medusa Nebula (Ha), 



    
        

            gigiastro

Sh2-274 - Medusa Nebula (Ha)

Acquisition details

Dates:
Jan. 11, 2022
Frames:
Astronomik H-alpha 12nm CCD Clip-Filter EOS: 153×40(1h 42′) ISO1000
Integration:
1h 42′
Darks:
10
Flats:
32
Flat darks:
5
Bias:
80
Avg. Moon age:
8.96 days
Avg. Moon phase:
66.43%
Bortle Dark-Sky Scale:
7.00
Mean SQM:
18.35
Temperature:
1.00

Basic astrometry details

Astrometry.net job: 5512751

RA center: 07h29m06s.10

DEC center: +13°1442

Pixel scale: 6.845 arcsec/pixel

Orientation: 359.026 degrees

Field radius: 4.682 degrees

Resolution: 4292x2414

File size: 3.3 MB

Locations: Home, Mestre, Venezia, Italy

Data source: Backyard

Description

DSRL color image through Ha filter.
Samyang 135mm f/2 set to f/2 
Drizzle x2 integration-->cropping-resampling

Comments

Revisions

  • Final
    Sh2-274 - Medusa Nebula (Ha), 



    
        

            gigiastro
    Original
  • Sh2-274 - Medusa Nebula (Ha), 



    
        

            gigiastro
    B

B

Description: Annotated

Uploaded: ...

Sky plot

Sky plot

Histogram

Sh2-274 - Medusa Nebula (Ha), 



    
        

            gigiastro