NEW DISCOVERY Strottner-Drechsler 138 (Marcel Drechsler)

Celestial hemisphere: Northern · Constellation: Perseus (Per)

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NEW DISCOVERY Strottner-Drechsler 138

Link: http://outters.fr

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NEW DISCOVERY Strottner-Drechsler 138

Link: http://outters.fr

Strottner-Drechsler 138 is an extremely faint potential planetary nebula, discovered by our team almost exactly one year ago.
It is located in the constellation Perseus, has a size of 13 x 9.5 arc minutes and a distance of about 3100 light years from Earth.

The shape of StDr 138 corresponds to that of a classical bipolar planetary nebula.
The central torus is particularly prominent. North and south the typical arcs of bipolar planetary nebulae extend.
Structures like these form when a second star at the center disturbs or influences the formation of a planetary nebula.

This photo was taken by our friend and colleague Nicolas Outters and it is the second photo ever taken of this object.
The image processing was done by me.

***

Catalog: Strottner-Drechsler 138, StDr 138, PN-G: 152.0-09.5
Coordinates: 03:37:55.76 +43:44:15.71 (J2000)
Constellation: Perseus

Data Central Star:
- WDJ033755.78+434415.74
- Magnitude: 17.998325
- Probability of a white dwarf: 81.7
- Parallax: 1.0426
- Distance: 956pc
- Temperature: 20180.57 K
- proper motion: ra -4.868 / dec -0.628
- Mass: 0.149298

***

Photo: Nicolas Outters
Image processing: Marcel Drechsler

H-alpha: 118*10'
OIII: 194*10'
R 16*10' / G 18*10' / B 21*10'
61.1 hours total exposure

***

Setup
Optics : Newton SV400 F4 SkyVision
Mount : Paramount ME Numéro 2
Location : Orange observatory

Final
Original
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Title:The entire field of view

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Title: detailed view

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

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