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Sharpless 132 - The Lion Nebula, 


            Michel Makhlouta
Sharpless 132 - The Lion Nebula

Sharpless 132 - The Lion Nebula

Technical card

Resolution: 4309x3261

Dates:July 25, 2019July 26, 2019July 27, 2019July 28, 2019July 30, 2019July 31, 2019

ZWO 31mm Ha 7nm: 217x300" (gain: 139.00) -15C bin 1x1
ZWO 31mm OIII 7nm: 213x300" (gain: 139.00) -15C bin 1x1

Integration: 35.8 hours

Darks: ~50

Flats: ~50

Bias: ~200

Avg. Moon age: 25.43 days

Avg. Moon phase: 21.47%

Bortle Dark-Sky Scale: 5.00 job: 3148078

RA center: 22h 18' 1"

DEC center: +55° 51' 14"

Pixel scale: 2.024 arcsec/pixel

Orientation: 1.513 degrees

Field radius: 1.519

Locations: Home, Batroun, North, Lebanon

Data source: Backyard


Sharpless 132 is a faint emission nebula at the Cepheus/Lacerta border, located 10,000 to 12,000 light-years away from Earth, thus placing itself inside the Perseus Arm of our galaxy. It is also known as the Lion Nebula due to its resemblance to the king of the jungle. I see two lions in this Nebula, one at peace and another roaring.

The stars responsible for the ionization of its gases are two Wolf-Rayet stars, HD 211564 (WR 152) and HD 211853 (WR 153).

It took me 6 nights to capture the data, almost equally split between Ha and Oiii. This is my longest project to date, but I am not sure my processing skills are worthy of it yet. It's not an easy target to process. It is also the first time I've used the reducer, which I have yet to figure out the correct spacing.

Comments and feedback are much appreciated.

Clear Skies!



Michel Makhlouta
License: None (All rights reserved)


  • Sharpless 132 - The Lion Nebula, 


            Michel Makhlouta
  • Final
    Sharpless 132 - The Lion Nebula, 


            Michel Makhlouta


reprocessed this from scratch, months after having the initial outcome constantly in the back of my head bugging me

Sky plot

Sky plot


Sharpless 132 - The Lion Nebula, 


            Michel Makhlouta

In these public groups

Sharpless2 Objects