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Contains:  NGC 3077, M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031
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M81, M82, NGC 3077, and Integrated Flux Nebula, 





    
        

            Wei-Hao Wang
M81, M82, NGC 3077, and Integrated Flux Nebula

M81, M82, NGC 3077, and Integrated Flux Nebula

Technical card

Imaging telescope or lens:Takahashi TOA 150

Imaging cameras:Nikon D800 ModApogee Alta F16MPentax 645z Mod

Mount:Takahashi EM-400 Temma2

Guiding telescope or lens:SharpStar 50 ED

Guiding camera:Fishcamp Starfish

Focal reducer:Takahashi TOA 67 Flattener

Software:DeepSkyStackerPixInsightAuriga Imaging RegiStarPhotoshop CC

Filters:LH alpha

Resolution: 6800x6000

Dates:March 9, 2013Dec. 31, 2013Jan. 1, 2014Jan. 28, 2014Dec. 31, 2016Jan. 3, 2017Jan. 26, 2017Jan. 27, 2017

Frames:
33x300" ISO800
75x480" ISO800
H alpha: 22x720" ISO800
L: 83x300"

Integration: 24.1 hours

Avg. Moon age: 18.30 days

Avg. Moon phase: 6.22%

Bortle Dark-Sky Scale: 2.00

Astrometry.net job: 2705221

RA center: 149.033 degrees

DEC center: 69.318 degrees

Pixel scale: 0.996 arcsec/pixel

Orientation: 90.060 degrees

Field radius: 1.254 degrees

Locations: Yushan National Park (Taiwan), Tainan, Taiwan; Mt. Shiao-Shuei (Taiwan), Taichung, Taiwan

Data source: Traveller

Description

This one combines the DSLR version of M81/82 and CCD L image, to boost the S/N of the faint IFN. The DSLR-only version can be found here: http://astrob.in/282826/0/

Comments

Author

whwang
Wei-Hao Wang
License: None (All rights reserved)
155014
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Revisions

  • M81, M82, NGC 3077, and Integrated Flux Nebula, 





    
        

            Wei-Hao Wang
    Original
  • Final
    M81, M82, NGC 3077, and Integrated Flux Nebula, 





    
        

            Wei-Hao Wang
    B

Sky plot

Sky plot

Histogram

M81, M82, NGC 3077, and Integrated Flux Nebula, 





    
        

            Wei-Hao Wang