Getting plate-solving status, please wait...
Abell 39 Pn in Hercules. 2016 and 2018 data. R,GOIII,BOIII extracted luminanced., 




    

        Pat Rodgers
Abell 39 Pn in Hercules. 2016 and 2018 data. R,GOIII,BOIII extracted luminanced.

Abell 39 Pn in Hercules. 2016 and 2018 data. R,GOIII,BOIII extracted luminanced.

Technical card

Resolution: 948x643

Dates: July 5, 2016May 20, 2018May 21, 2018

Frames:
Baader B 1.25'' CCD Filter: 9x180" -15C bin 1x1
Baader B 1.25'' CCD Filter: 10x300" -15C bin 1x1
Baader G 1.25'' CCD Filter: 10x180" -15C bin 1x1
Baader G 1.25'' CCD Filter: 10x300" -15C bin 1x1
Baader OIII 1.25" 8.5nm: 33x600" -15C bin 1x1
Baader R 1.25'' CCD Filter: 13x180" -15C bin 1x1
Baader R 1.25'' CCD Filter: 10x300" -15C bin 1x1

Integration: 9.6 hours

Darks: ~31

Flats: ~39

Bias: ~149

Avg. Moon age: 4.47 days

Avg. Moon phase: 25.18%

Bortle Dark-Sky Scale: 6.00

Temperature: 11.00

Astrometry.net job: 2070701

RA center: 246.891 degrees

DEC center: 27.910 degrees

Pixel scale: 1.327 arcsec/pixel

Orientation: 311.757 degrees

Field radius: 0.211 degrees

Locations: Un-stable Observatory, back garden., Huddersfield, West Yorkshire, United Kingdom

Data source: Backyard

Description

My old data from the 2016 image combined with the two previous nights data. All are shot in nautical darkness. My camera is at a very different angle to back then, hence a cropped image, but at least the two sets registered ok.

Comments

Author

Pat_Rodgers
Pat Rodgers
License: None (All rights reserved)
2482
Like

Sky plot

Sky plot

Histogram

Abell 39 Pn in Hercules. 2016 and 2018 data. R,GOIII,BOIII extracted luminanced., 




    

        Pat Rodgers

In these public groups

UK Astro-Imaging
Fast Newtonians