Wallpaper author:
Dan Crowson
25 Dec 2023
LDN 146 Area
This five degree field in Ophiuchus centered near LDN 146 contains eighteen dark nebulae in the LDN catalog. See the annotated image.
Luminance – 10x600s – 60 minutes – binned 1x1
RGB – 10x600s – 60 minutes each – binned 1x1
240 minutes total exposure – 4 hours
Imaged August 16th, 18th, 21st and 26th, 2022 at the Heaven’s Mirror Observatory (Australia) with a FLI PL16083 on a Takahashi FSQ-106ED at f/3.6 382 mm.
LRGB - https://www.flickr.com/photos/dcrowson/53419566755/sizes/l/
LRGB annotated - https://www.flickr.com/photos/dcrowson/53419132291/sizes/l/
This data is from Telescope Live (https://telescope.live/) “One-click Observations.”
Dataset from which the image was processed
LDN 146
5 credit
- Type of target............................................................................................................................Dark Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 254.3229 Dec -16.155
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Australia
- Transient event............................................................................................................................No
- Observed on............................................................................................................................16 Aug 2022 - 26 Aug 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 600 | 1h40m | 10 |
| Red | 600 | 1h40m | 10 |
| Blue | 600 | 1h40m | 10 |
| Green | 600 | 1h40m | 10 |