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Contains:  IC 348, The star οPer
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Ced 18 and IC348, 





    
        

            1074j
Ced 18 and IC348

Ced 18 and IC348

Technical card

Resolution: 2583x2054

Dates:Nov. 20, 2017

Frames: 66x150"

Integration: 2.8 hours

Avg. Moon age: 1.81 days

Avg. Moon phase: 3.68%

Astrometry.net job: 1844370

RA center: 55.111 degrees

DEC center: 31.810 degrees

Pixel scale: 3.182 arcsec/pixel

Orientation: 181.289 degrees

Field radius: 1.458 degrees

Locations: Paradise, Chiricahua Mountains, AZ, United States

Description

I've imaged this area before with a wider field and thought it would be interesting with a bit more focal length. I've recently acquired a .6x focal reducer/flattener (Primalucelab) for my AT80EDT refractor and smallish sensor Atik 460ex as I wanted to get a bit wider field than the usual .8x. The reducer does have issues with elongated stars in the corners so either my spacing isn't quite right or more likely, it just doesn't work well out to the corners as the documentation does say it's only flat for 11-14mm diagonal. I cheated on the final image by rounding the stars in the corners thus I included the unmodified lum master. Colors came out a bit different than other images of this area as there was a bit more blue reflection nebula and the dark nebula at the center came out nearly black. L 32x150s, RGB 12x150s 2x2 binned.

Comments

Author

1074j
1074j
License: Attribution-NonCommercial Creative Commons
2364
Like

Revisions

  • Ced 18 and IC348, 





    
        

            1074j
    Original
  • Ced 18 and IC348, 





    
        

            1074j
    B
  • Final
    Ced 18 and IC348, 





    
        

            1074j
    C

B

Lum

C

Increased brightness

Sky plot

Sky plot

Histogram

Ced 18 and IC348, 





    
        

            1074j