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 in H alpha, 


Cave Nebula in H alpha

Cave Nebula in H alpha

Technical card

Resolution: 1818x2232

Dates:Sept. 13, 2018Sept. 17, 2018

Baader Planetarium B 1" 1/4: 17x60" -10C bin 1x1
Baader Planetarium G 1" 1/4: 17x60" -10C bin 1x1
Baader Planetarium Ha 1.25" 7nm: 34x300" -10C bin 1x1
Baader Planetarium R 1 1/4": 17x60" -10C bin 1x1

Integration: 3.7 hours

Darks: ~1

Flats: ~10

Bias: ~1

Avg. Moon age: 5.96 days

Avg. Moon phase: 36.27%

Temperature: 20.00 job: 2356371

RA center: 344.284 degrees

DEC center: 62.627 degrees

Pixel scale: 0.544 arcsec/pixel

Orientation: 79.096 degrees

Field radius: 0.218 degrees

Locations: Crique Campsite, Southern France, Perpignon, France

Data source: Traveller


The main data set is narrowband H alpha. I took some brief subs in RGB to get the star field and allow rendering in red/orange. I like a visual link between Ha and red ...
I mixed the RGB(stars) and Ha by reducing the star brightness in the latter, and then using NBRGB in PI.



License: None (All rights reserved)

Sky plot

Sky plot


Cave Nebula in H alpha, 



In these public groups

UK Astro-Imaging