Cookie consent

AstroBin saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing AstroBin without changing the browser settings, you grant us permission to store that information on your device.

I agree
Getting plate-solving status, please wait...
Cave Nebula (HaRGB), 


            John Renaud
Cave Nebula (HaRGB)

Cave Nebula (HaRGB)

Technical card

Resolution: 2582x2047

Dates:Oct. 6, 2018Oct. 7, 2018Oct. 10, 2018Oct. 12, 2018Oct. 14, 2018Nov. 2, 2018Nov. 13, 2018Nov. 14, 2018

Astrodon 5nm Ha: 47x900" -5C bin 1x1
Astrodon Blue Tru-Balance I-Series Gen 2: 90x180" -5C bin 1x1
Astrodon Green Tru-Balance I-Series Gen 2: 81x180" -5C bin 1x1
Astrodon Red Tru-Balance I-Series Gen 2: 71x180" -5C bin 1x1

Integration: 23.9 hours

Darks: ~20

Flats: ~50

Bias: ~100

Avg. Moon age: 12.57 days

Avg. Moon phase: 19.66% job: 2495010

RA center: 344.341 degrees

DEC center: 62.613 degrees

Pixel scale: 0.869 arcsec/pixel

Orientation: 91.957 degrees

Field radius: 0.398 degrees

Locations: Backyard, Magnolia, TX, United States

Data source: Backyard


This was collected back in Oct & Nov and I finally got around to finishing it. I was never really happy with the noise level in this data (there's varying degrees of cloud contamination throughout the set) and I planned on collecting more subs but just ran out of time/clear weather.



John Renaud
License: None (All rights reserved)

Sky plot

Sky plot


Cave Nebula (HaRGB), 


            John Renaud