Hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  125 Tau  ·  15.60  ·  26 Aur  ·  465 Alekto  ·  NGC 1996  ·  PK178-02.1  ·  Sh2-240  ·  The star 125Tau  ·  The star 26Aur
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SH2-240 HOO, 


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SH2-240 HOO

Imaging telescopes or lenses: Jupiter 37a 135mm

Imaging cameras: QHY22

Mounts: AZ-EQ6

Guiding telescopes or lenses: Skywatcher Finder guider 9 x 50

Guiding cameras: DIY Cam10

Software: Main Sequence Software SGPro  ·  Pixinsight

Filters: Astrodon 5nm Ha 1.25  ·  Astrodon 3nm OIII 1.25

Accessory: DIY Focus controllers

Dates:Nov. 1, 2019

Astrodon 3nm OIII 1.25: 27x900" bin 1x1
Astrodon 5nm Ha 1.25: 90x900" bin 1x1

Integration: 29.2 hours

Avg. Moon age: 4.62 days

Avg. Moon phase: 22.26%

Astrometry.net job: 4127720

RA center: 5h 40' 0"

DEC center: +27° 54' 47"

Pixel scale: 6.978 arcsec/pixel

Orientation: 94.401 degrees

Field radius: 3.317 degrees

Resolution: 2700x2100

Locations: Remote observatory, Kiev, Ukraine

Data source: Own remote observatory

Remote source: Non-commercial independent facility


Previously, I captured this object with my ED80 using mosaic technique (https://astrob.in/x4u8f0/0/). This time I decided to close my gestalt to capture SH2-240 in color using widefield setup. I managed to shoot only a third of the planned time in oxygen. The weather didn't cooperate at winter season with moonless nights. But this didn't stop me from processing this image as HOO. C&C are always welcome.

Simeis 147, also known as the Spaghetti Nebula, SNR G180.0-01.7 or Sharpless 2-240, is a supernova remnant (SNR) in the Milky Way, straddling the border between the constellations Auriga and Taurus. Discovered in 1952 at the Crimean Astrophysical Observatory using a 25-inch Schmidt-Cassegrain telescope, it is difficult to observe due to its extremely low brightness.

The nebulous area is fairly large with an almost spherical shell and filamentary structure. The remnant has an apparent diameter of approximately 3 degrees, an estimated distance of approximately 3000 (±350) light-years, and an age of approximately 40,000 years.

It is believed that after its stellar explosion a rapidly spinning neutron star known as pulsar PSR J0538+2817 was left behind in the nebula core, emitting a strong radio signal.
(c) Wikipedia



  • Final
    SH2-240 HOO, 


    SH2-240 HOO, 




Description: Starless version

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SH2-240 HOO,